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

General Purpose Digital Isolator 5000Vpk 2 Channel 100Mbps 50kV/µs CMTI 8-SOIC (0.295", 7.50mm Width) General Description The STISO621WTR is a high-performance quad-channel isolated digital input interface IC from STMicroelectronics. It is designed to interface industrial digital inputs (such as PLC inputs) with low-voltage logic systems while providing galvanic isolation for improved safety and noise immunity. This device integrates four independent input channels, each capable of handling high-voltage input signals, and converts them into isolated logic-level outputs. It is ideal for industrial automation, programmable logic controllers (PLCs), and factory control systems where robust signal isolation is required. Key Features Quad isolated digital input channels High common-mode transient immunity (CMTI) Wide input voltage range for industrial signals Integrated current limiting and protection circuitry Compatible with 3.3V and 5V logic outputs Low power consumption High noise immunity and ESD robustness Complies with industrial safety standards Electrical Characteristics Number of Channels: 4 Isolation Type: Galvanic isolation Input Voltage Range: Up to ~30 V (industrial input level) Logic Output Voltage: 3.3 V / 5 V compatible Propagation Delay: Typically low (tens of ns range) Supply Voltage (Vcc): 3.0 V to 5.5 V Operating Temperature Range: -40°C to +125°C Functional Description Each input channel accepts a high-voltage industrial signal and converts it into a corresponding isolated digital output. Internal circuitry provides: Input current limiting Signal conditioning Isolation barrier Output buffering The isolation barrier protects low-voltage control electronics from high-voltage transients, ground loops, and electrical noise. Package Information Package Type: SO-16 (Wide body) Mounting: Surface-mount (SMD) Tape & Reel: Yes (TR suffix) Pin Count: 16 pins Applications Programmable Logic Controllers (PLC) Industrial I/O modules Factory automation systems Motor control interfaces Process control equipment Building automation Advantages Eliminates need for external optocouplers Reduces PCB space and BOM cost Improves system reliability High-speed digital isolation vs traditional opto-isolators Compliance & Standards Industrial-grade reliability ESD protection compliant RoHS compliant Manufacturer Information Manufacturer: STMicroelectronics Part Number: STISO621WTR Series: STISO #commonpartslibrary #isolator

EEPROM Memory IC 256Kbit I2C 1 MHz 450 ns 8-SO The M24256E-FMN6TP is a 256-Kbit (32 Kbyte) I²C-compatible serial EEPROM from STMicroelectronics. It is designed for reliable, non-volatile data storage in a wide range of electronic applications including consumer, industrial, and automotive systems. The device supports standard (100 kHz), fast (400 kHz), and fast-mode plus (1 MHz) I²C communication, enabling efficient data transfer. It features byte and page write operations, low power consumption, and a high endurance of write cycles, making it suitable for frequent data logging and configuration storage. Housed in a compact SO8 package, the device is optimized for space-constrained PCB designs while maintaining robust performance and data retention capabilities. Key Features Memory size: 256 Kbit (32 Kbyte) Interface: I²C (2-wire serial interface) Clock frequency: Standard mode: 100 kHz Fast mode: 400 kHz Fast-mode Plus: 1 MHz Supply voltage range: 1.7 V to 5.5 V Page write capability: up to 64 bytes Write cycle time: ~5 ms (typical) Data retention: > 200 years Endurance: > 4 million write cycles Hardware write protection available ESD protection and latch-up immunity Functional Description The device operates as a slave on the I²C bus and supports: Byte write and read Page write (up to 64 bytes) Random and sequential read operations Memory addressing is internally managed using a 16-bit address pointer, allowing access to the full 32 KB memory array. The device includes an internal write cycle controller, eliminating the need for external timing management. Pin Configuration (SO8 Package) A0, A1, A2: Device address inputs VSS: Ground SDA: Serial data line SCL: Serial clock line WC: Write control (hardware write protection) VCC: Supply voltage Absolute Maximum Ratings Supply voltage (VCC): -0.3 V to 6.5 V Input voltage: -0.3 V to VCC + 0.6 V Storage temperature: -65°C to +150°C Operating temperature (industrial grade): -40°C to +85°C Electrical Characteristics Low standby current: < 1 µA (typical) Operating current: < 1 mA Input/output compatible with CMOS logic levels Schmitt trigger inputs for noise immunity Timing Characteristics Write cycle time: 5 ms (typical) Fast-mode Plus support up to 1 MHz Sequential read supports continuous data streaming Package Information Package type: SO8 (8-lead Small Outline) Mounting: Surface-mount (SMD) Tape & reel packaging (TP suffix) Applications Configuration storage Calibration data storage Data logging systems Industrial control systems Consumer electronics Embedded systems requiring non-volatile memory Advantages High endurance and long data retention Wide voltage range (ideal for mixed-voltage systems) Compact footprint High-speed I²C compatibility (up to 1 MHz) #commonpartslibrary #integratedcircuit #memory

Mass Air Flow Sensor, Open-drain, 10 Pin The FS3000-1005 is a fully integrated, MEMS-based air velocity (flow) sensor designed for precise and reliable measurement of gas flow in compact systems. It utilizes a thermal transfer principle and includes onboard signal conditioning, calibration, and digital output, making it suitable for direct interface with microcontrollers. This sensor is optimized for low-flow air or gas applications such as HVAC systems, environmental monitoring, airflow detection in consumer electronics, and industrial process control. Its compact surface-mount package allows easy integration into space-constrained designs. Key Features MEMS thermal-based air velocity sensing Fully calibrated and temperature compensated Digital I²C output interface High sensitivity for low airflow detection Fast response time Compact surface-mount package Low power consumption Electrical Characteristics Supply Voltage: 3.0 V to 3.6 V (typ. 3.3 V) Current Consumption: ~10 mA (typical during operation) Interface: I²C (up to 400 kHz) Output Type: Digital (flow velocity data) Performance Characteristics Flow Range: 0 to 7.23 m/s (air velocity) Accuracy: ±5% of reading (typical) Response Time: <10 ms Repeatability: High precision with low drift Mechanical Characteristics Package Type: Surface Mount (SMD) Dimensions: Approx. 4 mm × 4 mm × 1 mm Port Type: Top-port airflow sensing Environmental Specifications Operating Temperature Range: -20°C to +85°C Storage Temperature Range: -40°C to +125°C Pin Configuration (Typical) VDD – Power supply GND – Ground SCL – I²C clock line SDA – I²C data line ADDR/SEL – I²C address select (if applicable) Applications HVAC airflow monitoring Air purifiers and smart home systems Industrial gas flow measurement Medical airflow sensing devices Consumer electronics thermal management Compliance & Reliability RoHS compliant Factory calibrated Long-term stability with minimal recalibration required #commonpartslibrary #integratedcircuit #sensor

Video Switch IC 1 Channel 14-SOIC The LMH6574MAX/NOPB is a high-speed, 4:1 video multiplexer amplifier manufactured by Texas Instruments. It is designed for routing multiple analog video or high-bandwidth signals into a single output while maintaining excellent signal integrity. With wide bandwidth, low distortion, and fast switching characteristics, it is well-suited for applications such as video switching, RGB routing, medical imaging, and high-speed data acquisition systems. Key Features 4:1 high-speed analog video multiplexer Wide small-signal bandwidth: ~500 MHz (typical) Fast channel switching time: ~8 ns (typical) Low differential gain and phase for video fidelity High slew rate: ~1800 V/µs Low crosstalk and channel-to-channel isolation Single-supply operation: 5 V TTL/CMOS compatible logic inputs Internal 75 Ω back-termination support (video applications) Output disable (high impedance mode) Electrical Characteristics Supply Voltage (Vcc): 4.5 V to 5.5 V Supply Current: ~13 mA (typical) Input Voltage Range: 0 V to Vcc Output Voltage Swing: ~2 Vpp (video typical) Gain: 2 V/V (fixed gain configuration) Input Resistance: High impedance Output Resistance: Low impedance (video drive capable) Dynamic Performance -3 dB Bandwidth: ~500 MHz Slew Rate: ~1800 V/µs Settling Time: ~10 ns Channel Switching Time: ~8 ns Crosstalk: <-60 dB (typical at 10 MHz) Package Information Package Type: SOIC-8 (MAX) Mounting Type: Surface Mount Lead Finish: NiPdAu (RoHS compliant) Operating Temperature Range: -40°C to +85°C Pin Configuration (Summary) 4 Analog Inputs (IN0–IN3) 1 Analog Output (OUT) 2 Digital Select Lines (A0, A1) Enable/Disable Control (EN) Power Supply (Vcc) Ground (GND) Applications Video signal routing and switching (RGB, CVBS) CCTV and broadcast systems Medical imaging equipment Test and measurement instruments High-speed analog multiplexing Data acquisition front-end switching Compliance & Notes RoHS compliant (NOPB = Lead-free package) Designed for 75 Ω video systems Requires proper PCB layout for high-frequency performance (controlled impedance, short traces) #commonpartslibrary #integratedcircuit

Precision virtual ground, noise reduction pin, 4V to 40V input, SOIC-8 Rail splitter precision virtual ground SOIC*3.9x4.9mm*P1.27mm*

Precision virtual ground, 2.5V output, SOIC-8 Rail splitter precision virtual ground 2.5V SOIC*3.9x4.9mm*P1.27mm*

Precision virtual ground, noise reduction pin, 4V to 40V input, DIP-8 Rail splitter precision vitrual ground DIP*W7.62mm*

Microphone Module #Module Introducing the Microphone Circuit project, featuring the SPH0645LM4H-B MEMS microphone with a 20 Hz to 10 kHz frequency range and high precision sensitivity at -26dB ±3dB @ 94dB SPL for superior audio capture. The circuit is engineered with designated power and ground nets and optimized passive components to deliver reliable audio processing in rapid prototyping and advanced electronic applications. #MicrophoneCircuit #MEMSMicrophone #AudioEngineering #ElectronicsDesign #SPH0645LM4HB #PCBDesign