Humidity Temperature Sensor 20 ~ 80% RH Digital ±5% 1s Through Hole #commonpartslibrary #sensor #integratedcircuit

Humidity Sensors/Temperature and Humidity Sensors SHT30-DIS-B10KS DFN-8_L2.5-W2.5-P0.50-BL-EP LCSC Part Number: C2687423 JLCPCB Part Class: undefined Manufactured by Sensirion(瑞士盛思锐)

3-in-1 sensor, humidity, pressure, temperature, I2C and SPI interface, 1.71-3.6V, LGA-8 Bosch pressure humidity temperature environment environmental measurement digital *LGA*2.5x2.5mm*P0.65mm*Clockwise*

Humidity, Temperature 0 ~ 100% RH I2C ±1% RH 4 s Surface Mount #CommonPartsLibrary #sensor #SHT4x #Transducer #Moisture Sensors

3.3V to 5.5V, temperature and humidity module, DHT11 digital sensor Aosong*DHT11*5.5x12.0*P2.54mm*

Humidity, Temperature 0 ~ 100% RH I2C ±2% RH 4 s Surface Mount #commonpartsLibrary #integratedcircuit #sensor #humidity #temperature

Humidity, Temperature 0 ~ 100% RH I2C ±1% RH 4 s Surface Mount #commonpartslibrary #integratedcircuit #sensor #humidity

Humidity, Temperature 0 ~ 100% RH I2C ±2% RH 8 s Surface Mount #CommonPartsLibrary #Sensor #Transducer #Humidity #Moisture-Sensor #HDC2080

Humidity, Temperature 0 ~ 100% RH I2C ±3% RH 18 s Surface Mount #commonpartslibrary #integratedcircuit #sensor #temperature #humidity

Air Quality Sensors VOC and NOx (MOX) Gas Pollutant Sensor The SGP41-D-R4 is a compact digital gas sensor developed by Sensirion for indoor air quality monitoring applications. It is designed to detect volatile organic compounds (VOC) and nitrogen oxides (NOx) using Sensirion’s CMOSens® sensor technology. The device integrates sensing elements, analog front-end circuitry, calibration memory, and digital signal processing within a miniature surface-mount package, enabling accurate and reliable environmental sensing with minimal external components. The sensor communicates through a standard I²C digital interface and is optimized for low-power operation, making it suitable for battery-powered and portable electronic systems. The SGP41 is intended for use in air purifiers, HVAC systems, smart home devices, wearable electronics, environmental monitoring equipment, and other applications requiring real-time indoor air quality assessment. The device supports humidity-compensated measurements when paired with an external humidity and temperature sensor, improving long-term stability and measurement accuracy. Factory calibration eliminates the need for manual calibration during manufacturing. Key Features Digital VOC and NOx gas sensing CMOSens® technology integration I²C communication interface Fully calibrated and linearized output Humidity compensation capability Low power consumption operation Compact DFN surface-mount package Fast response and recovery characteristics Optimized for indoor air quality applications RoHS and halogen-free compliant Electrical Characteristics Supply voltage operation compatible with low-voltage embedded systems Low average current consumption suitable for portable devices Integrated digital signal processing and calibration memory I²C serial communication support with standard addressing Stable operation across industrial temperature ranges Mechanical Characteristics Small DFN package optimized for compact PCB layouts Surface-mount assembly compatible Low-profile package suitable for space-constrained designs Moisture-sensitive device requiring proper handling during assembly Functional Characteristics Simultaneous VOC and NOx sensing capability Real-time indoor air quality monitoring Compensation support for environmental humidity effects Long-term measurement stability Fast startup and measurement readiness Designed for continuous sensing applications Typical Applications Indoor air quality monitoring systems Smart thermostats and HVAC controllers Air purifiers and ventilation systems Smart home and IoT devices Portable environmental monitoring equipment Wearable health and wellness devices Building automation systems Consumer electronics requiring air quality detection #Sensor #Transducer #Gas#Sensor #SGP41

Humidity, Temperature 0 ~ 100% RH I2C ±1.8% RH 4 s Surface Mount The SHT41I-AD1B-R2 is a high-accuracy digital humidity and temperature sensor from Sensirion designed for industrial and harsh-environment applications requiring reliable environmental monitoring. The device integrates calibrated relative humidity and temperature sensing elements with signal processing and digital communication in a compact surface-mount package. It provides fully calibrated digital output through an I²C interface, enabling straightforward integration into embedded systems, industrial controllers, HVAC equipment, environmental monitoring systems, portable instrumentation, and IoT devices. The sensor incorporates low power consumption, fast response time, and enhanced long-term stability for precision sensing applications. Engineering Specification Manufacturer: Sensirion AG Manufacturer Part Number: SHT41I-AD1B-R2 Device Type: Digital Relative Humidity and Temperature Sensor Sensor Functions: Relative Humidity Measurement and Temperature Measurement Humidity Sensing Range: Full Relative Humidity Range Support Temperature Sensing Range: Wide Industrial Temperature Operating Range Humidity Accuracy: High-Precision Calibrated Measurement Temperature Accuracy: High-Precision Calibrated Measurement Output Interface: I²C Digital Serial Interface Supply Voltage: Low Voltage Operation Compatible with Embedded Systems Power Consumption: Ultra-Low Power Consumption Calibration: Factory Calibrated and Linearized Response Time: Fast Environmental Response Repeatability: High Measurement Repeatability Long-Term Stability: Optimized for Industrial Reliability Integrated Features: Signal Conditioning, Analog-to-Digital Conversion, Temperature Compensation, CRC Data Integrity Checking Package Type: Surface-Mount DFN Package Mounting Style: Surface Mount Technology Application Areas: Industrial Automation, HVAC Systems, Environmental Monitoring, Smart Sensors, Portable Devices, Data Loggers, IoT Equipment, Building Automation, Weather Monitoring Systems Compliance Features: RoHS Compliant and Halogen-Free Packaging Support #CommonPartsLibrary #Sensor #Transducer #Moisture-Sensor #SHT4

Enclosed AC DC Converters 1 Output 5V 600mA 85 ~ 264 VAC, 120 ~ 370 VDC Input The RAC03-05SK is a compact, encapsulated AC/DC power supply module manufactured by RECOM Power. It is designed for PCB mounting and provides a regulated 5V DC output from a wide AC input range. This module is suitable for low-power industrial, IoT, and household applications requiring reliable isolated power conversion. It features high efficiency, short-circuit protection, and meets international safety standards. Key Specifications Electrical Characteristics Input Voltage Range: 85 – 305 VAC / 120 – 430 VDC Nominal Input Voltage: 100 – 240 VAC Output Voltage: 5 VDC Output Current: 600 mA (max) Output Power: 3 W Efficiency: ~72% (typical) Ripple & Noise: ≤ 100 mVp-p Isolation Voltage: 4000 VAC (input to output) Protection Features Continuous short-circuit protection Overcurrent protection Overvoltage protection Environmental Characteristics Operating Temperature Range: -40°C to +80°C Storage Temperature Range: -40°C to +85°C Humidity: Up to 90% RH (non-condensing) Mechanical Characteristics Mounting Type: Through-hole PCB Package Type: Encapsulated module Dimensions: Approx. 34.8 × 22.5 × 15 mm Weight: ~20 g Safety & Compliance Certified to IEC/EN/UL 62368-1 Reinforced insulation Class II design (no earth connection required) CE compliant Applications Industrial control systems Smart home devices IoT modules Embedded electronics Standby power supplies Manufacturer Information Manufacturer: RECOM Power Series: RAC03-K Part Number: RAC03-05SK #commonpartslibrary #powersupply #acdc #converter

Connector Header Through Hole 6 position 0.100" (2.54mm) The PEC06SAAN is a compact, low-cost incremental rotary encoder manufactured by Bourns. It is designed for user interface applications requiring precise rotational input, such as volume controls, menu navigation, and position sensing. This encoder provides reliable quadrature output signals and is suitable for through-hole PCB mounting. Its robust mechanical design ensures long operational life and consistent performance in consumer and industrial electronics. Key Features Incremental (relative) rotary encoder Compact, space-saving design Through-hole mounting configuration Quadrature output (A and B channels) Optional integrated push switch (depending on variant) Detent and non-detent options available High reliability with long rotational life RoHS compliant Electrical Characteristics Supply voltage: Typically 5 VDC (logic-level output) Output type: Digital quadrature (A/B signals) Contact resistance: ≤ 100 mΩ Insulation resistance: ≥ 100 MΩ @ 250 VDC Dielectric strength: 300 VAC for 1 minute Mechanical Characteristics Rotation type: Incremental Number of pulses per revolution (PPR): Typically 6 to 24 (variant dependent) Detent positions: Variant dependent Rotational torque: 10 to 70 gf·cm (typical range) Shaft length: Varies by suffix (e.g., 15 mm typical) Shaft type: Knurled or D-cut (variant dependent) Mounting type: Through-hole PCB Terminal type: PC pins Environmental Specifications Operating temperature range: −30°C to +70°C Storage temperature range: −40°C to +85°C Humidity: Up to 85% RH (non-condensing) Mechanical Life Rotational life: Up to 30,000 cycles (typical) Physical Dimensions Body size: Approximately 12 mm × 11 mm × 5 mm (excluding shaft) Shaft diameter: Typically 6 mm Pin pitch: Standard 2.54 mm Applications Consumer electronics (audio controls, appliances) Industrial control panels Embedded systems and microcontroller interfaces Automotive user interfaces Instrumentation and test equipment #commonpartslibrary #connector #header

M2302 DHT22 Temperature and Humidity Sensor for Arduino and Raspberry Pi #commonpartslibrary #dht22 #am2302

680 kOhms ±5% 0.25W, 1/4W Through Hole Resistor Axial Automotive AEC-Q200 Carbon Film The CFR-25JB-52-680K is a carbon film through-hole resistor designed for general-purpose electronic applications requiring stable resistance characteristics, reliable long-term performance, and cost-effective implementation. This resistor is commonly used in signal conditioning, voltage division, pull-up and pull-down networks, biasing circuits, and low-power analog or digital systems. Its axial leaded construction supports automated insertion and conventional through-hole assembly methods, making it suitable for consumer electronics, industrial controls, instrumentation, and embedded systems. The device utilizes carbon film resistive technology to provide dependable electrical performance with moderate noise characteristics and good environmental stability. The flame-retardant coating enhances mechanical durability and improves resistance against moisture and environmental exposure. The component is optimized for standard operating environments where compact size, stable operation, and economical design are required. Electrical Characteristics Resistance Value: 680 kΩ Resistance Tolerance: ±5% Resistor Technology: Carbon Film Rated Power Dissipation: 1/4 W Maximum Working Voltage: 250 V Maximum Overload Voltage: 500 V Temperature Coefficient: ±350 ppm/°C Insulation Resistance: High reliability insulation structure suitable for general electronic equipment Mechanical Characteristics Package Type: Axial Through-Hole Mounting Style: Through Hole Body Style: Cylindrical Flame-Retardant Coated Body Lead Material: Tin-Plated Copper Lead Configuration: Axial Leads for PCB insertion Environmental Characteristics Operating Temperature Range: −55°C to +155°C Moisture Resistance: Suitable for standard humidity environments Flame Resistance: Flame-retardant protective coating compliant with general safety requirements Applications Signal Conditioning Circuits Voltage Divider Networks Pull-Up and Pull-Down Resistors Industrial Control Electronics Consumer Electronic Products General Analog and Digital Circuitry Embedded Systems and Microcontroller Interfaces #commonpartslibrary #passivecomponents #resistor #carbonfilm #throughhole #axialresistor #powermanagement #analog #digital #industrialelectronics

Gas, Humidity, Pressure, Temperature Sensor Digital Output The BME690 is a compact 4-in-1 environmental sensor from Bosch Sensortec designed for advanced indoor air-quality monitoring. It integrates gas, humidity, temperature, and barometric pressure sensing into a single low-power MEMS device. The sensor is optimized for battery-powered and high-condensation environments, making it suitable for smart home, industrial, wearable, and IoT applications. Key Features 4-in-1 environmental sensing: Gas sensing Relative humidity Temperature Barometric pressure Detects: Volatile Organic Compounds (VOCs) Volatile Sulfur Compounds (VSCs) Other air-quality-related gases Supports indoor air quality (IAQ) monitoring Provides: IAQ index bVOC equivalent CO₂ equivalent outputs Improved robustness for high-condensation environments Ultra-small package: 3.0 × 3.0 × 0.93 mm 8-pin metal LGA package Low power consumption suitable for battery-powered devices Interfaces: I²C up to 3.4 MHz SPI up to 10 MHz Wide operating range: Temperature: −40°C to +85°C Humidity: 0–100% RH Pressure: 300–1100 hPa Supply voltage: VDDIO: 1.2 V to 3.6 V VDD: 1.71 V to 3.6 V Humidity accuracy: ±3% RH Temperature accuracy: ±0.5°C Pressure accuracy: ±0.5 hPa absolute Supports AI-based gas classification using Bosch BME AI-Studio Pin-compatible evolution of the BME688 platform Designed for: Smart home devices HVAC systems Air-quality mapping Food freshness monitoring Wearables Industrial sensing applications #CommonPartsLibrary #Sensor

Digital Potentiometer 10k Ohm 4 Circuit 257 Taps I2C Interface 20-TSSOP # Engineering Specification ## Product Name MCP4461-103E/ST ## General Description MCP4461-103E/ST is a non-volatile digital potentiometer integrated circuit designed to provide electronically programmable resistance adjustment for analog and mixed-signal applications. The device enables precise digital control of resistance values through a serial communication interface, eliminating the need for manual potentiometer adjustments and enhancing system automation capabilities. The component integrates multiple resistor networks, non-volatile memory, and digital control logic within a compact package, making it suitable for signal conditioning, gain adjustment, calibration, offset trimming, volume control, and configuration management applications. The design supports reliable operation in embedded systems, industrial electronics, instrumentation equipment, communication devices, and consumer products requiring programmable analog control. The device is optimized for ease of integration, low power consumption, repeatable performance, and long-term reliability. Non-volatile memory functionality allows resistance settings to be retained during power interruptions, supporting consistent system behavior and simplified startup configuration. ## Functional Requirements ### Digital Resistance Control The device shall provide programmable resistance adjustment through a digital communication interface. ### Non-Volatile Memory Operation The device shall retain programmed resistance settings when power is removed and restore stored values upon power-up. ### Multi-Channel Adjustment The device shall support independent control of multiple resistance channels for flexible system configuration. ### Analog Signal Conditioning The device shall support use in gain control, calibration, bias adjustment, offset correction, and signal tuning applications. ## Electrical Requirements ### Power Supply Compatibility The device shall operate from standard low-voltage electronic power supply rails suitable for embedded and industrial systems. ### Digital Communication The device shall support serial communication for configuration, programming, and control of internal resistance networks. ### Resistance Network Performance The device shall provide repeatable and stable resistance adjustment characteristics throughout normal operating conditions. ### Low Power Operation The device shall minimize power consumption while maintaining functional performance and memory retention capability. ### Noise and Signal Integrity The design shall support accurate analog signal processing with minimal impact on system performance. ## Mechanical Requirements ### Package Construction The component shall be supplied in a surface-mount package suitable for automated PCB assembly processes. ### Board Integration The device shall support standard printed circuit board mounting practices and electronic manufacturing workflows. ### Structural Reliability The package shall maintain electrical and mechanical integrity during handling, assembly, and operational service. ## Environmental Requirements ### Operating Environment The device shall operate reliably within environmental conditions commonly encountered in commercial and industrial electronic equipment. ### Storage Conditions The component shall maintain functional and physical integrity during storage, transportation, and inventory management activities. ### Environmental Robustness The design shall support stable operation under expected temperature and humidity variations within specified application environments. ## Quality Requirements ### Reliability The device shall provide consistent long-term performance with stable resistance characteristics and memory retention capability. ### Verification Electrical functionality, communication performance, memory operation, and resistance adjustment behavior shall be validated through applicable testing procedures. ### Compliance The product shall conform to relevant semiconductor manufacturing, quality assurance, and electronic component standards. ## Documentation Requirements Technical documentation shall include device functionality, communication interface requirements, programming guidelines, application recommendations, electrical characteristics, package information, and reliability considerations. ## Classification Tags #MCP4461 #MCP4461103EST #DigitalPotentiometer #NonVolatileMemory #IntegratedCircuit #ICComponent #AnalogElectronics #MixedSignalDesign #SignalConditioning #GainControl #CalibrationCircuit #EmbeddedSystems #ElectronicComponents #ElectricalEngineering #PCBDesign #CircuitDesign #IndustrialElectronics #Instrumentation #CommonPartsLibrary #EngineeringSpecification #ComponentLibrary #TechnicalDocumentation #SystemIntegration #HardwareDevelopment #ReliabilityEngineering

Humidity, Pressure, Temperature Sensor I²C Output #CommonPartsLibrary #Sensor #Transducer #Multifunction #MS8607

Capacitive-type humidity and temperature module/sensor #sensor #humidity #temperature #horizontal

Air Quality Sensor CO2 Sensor 2.5V/3.3V/5V 20-Pin SMD EP T/R The SCD41-D-R1 is a miniature photoacoustic carbon dioxide sensor module developed by Sensirion for high-accuracy environmental sensing applications. The device integrates a CO₂ sensing element, temperature sensor, humidity sensor, optical components, calibration memory, and digital signal processing into a compact surface-mount package suitable for embedded systems and portable electronics. The sensor utilizes photoacoustic sensing technology to provide precise carbon dioxide concentration measurements while maintaining low power consumption and long-term stability. Integrated humidity and temperature sensing capabilities enable environmental compensation and simplify system integration by reducing the need for external sensors. The SCD41 communicates through a standard I²C digital interface and supports automatic self-calibration functions for reliable long-term operation. Its compact footprint and low energy requirements make it suitable for battery-powered devices, smart building systems, HVAC equipment, indoor air quality monitoring systems, and IoT applications. The module is factory calibrated and designed for continuous monitoring of indoor air quality conditions. The integrated architecture minimizes external component requirements while enabling accurate sensing performance across a wide operating range. Key Features Photoacoustic CO₂ sensing technology Integrated temperature and humidity sensing High accuracy carbon dioxide measurement I²C digital communication interface Low power consumption operation Automatic self-calibration support Compact surface-mount package Factory calibrated output Long-term measurement stability Optimized for indoor air quality applications Low-profile PCB mounting design RoHS and halogen-free compliant Electrical Characteristics Low-voltage supply operation Low average current consumption suitable for portable devices Integrated digital signal processing Non-volatile calibration memory Standard I²C communication compatibility Stable operation across industrial environmental conditions Mechanical Characteristics Compact SMD package for space-constrained applications Surface-mount assembly compatible Low-profile package structure Integrated optical cavity and sensing chamber Moisture-sensitive device requiring controlled handling during assembly Functional Characteristics Real-time carbon dioxide concentration monitoring Simultaneous temperature and humidity measurement Automatic environmental compensation Continuous and periodic measurement modes Fast startup and measurement response Long operational lifetime with stable calibration Optimized airflow design for accurate sensing Suitable for continuous indoor environmental monitoring Typical Applications Indoor air quality monitoring systems Smart thermostats and HVAC controllers Building automation equipment Demand-controlled ventilation systems Portable environmental monitoring devices Smart home and IoT products Air purification systems Occupancy and ventilation monitoring Battery-powered sensing devices Consumer and industrial environmental monitoring equipment #commonpartslibrary #sensor #airquality

Connector Header Surface Mount 12 position 0.049" (1.25mm) 53398-1271 The 0533981271 is a board-to-wire connector assembly component designed to provide a reliable electrical and mechanical interface between a printed circuit board and discrete wire harnesses. It belongs to a compact connector system intended for applications requiring secure mating, efficient signal transmission, and ease of assembly. The component is engineered to support consistent electrical contact performance while maintaining a small footprint suitable for space-constrained designs. Its construction ensures dependable connectivity under typical operating conditions encountered in consumer electronics, industrial equipment, and embedded systems. Functional Description This connector component serves as part of a modular interconnect system, enabling termination of wires and subsequent mating to a corresponding board-mounted header. It provides stable retention and alignment during mating and unmating operations, ensuring consistent electrical continuity. The design supports straightforward integration into automated or manual assembly processes, facilitating efficient production workflows. Contact geometry and housing features are optimized to maintain reliable engagement and minimize the risk of intermittent connections. Electrical Characteristics The component is designed to support low-voltage signal and power transmission in compact electronic systems. It provides low contact resistance to ensure efficient current flow and stable signal integrity. Insulation materials are selected to maintain dielectric performance and prevent leakage under normal operating conditions. The connector system is suitable for typical electronic applications where consistent and reliable electrical performance is required. Mechanical Characteristics The connector features a durable housing constructed from engineered thermoplastic material, providing mechanical strength and resistance to environmental stress. Contact elements are formed from conductive alloys and finished to enhance conductivity and corrosion resistance. The design includes features that promote secure mating retention and proper alignment, reducing wear and ensuring longevity over repeated use. Its compact form factor supports high-density layouts on printed circuit boards. Environmental Characteristics The component is designed to operate reliably within standard environmental conditions encountered in electronic equipment. Materials used in the housing and contacts are selected for thermal stability and resistance to common environmental factors such as humidity and mechanical vibration. The connector system maintains performance over typical temperature ranges associated with consumer and industrial applications. Applications This connector is intended for use in electronic systems requiring compact and reliable wire-to-board interconnection. Common applications include consumer devices, industrial control systems, embedded modules, and communication equipment where dependable signal or power connectivity is essential. Summary The 0533981271 from Molex is a compact and reliable connector solution for board-to-wire applications. It offers consistent electrical performance, robust mechanical design, and ease of integration, making it well suited for modern electronic assemblies requiring dependable interconnect solutions. #commonpartslibrary #connector #header

XIAO Logger HAT - A tiny temperature, humidity and light add-on module for XIAO with RTC and battery voltage monitoring.This little hat add-on for XIAO incorporates a Sensirion SHT40 temperature and humidity sensor, the BH1750 ambient light sensor, a PCF8563 real-time clock for accurate timekeeping, and an enableable voltage divider to keep track of the battery voltage.

0.5% RH digital humidity sensor, 0.19% long-term drift, 400 nA, 4-sec response time, NIST traceable #Sensor #Transducer #Humidity-sensor