Tactile Switch SPST-NO Top Actuated Surface Mount The FSM1LP is a surface-mount tactile (momentary) switch manufactured by TE Connectivity under the ALCOSWITCH series. It is a low-profile, top-actuated pushbutton switch designed for compact PCB applications requiring reliable user input. This switch operates as a momentary SPST-NO (Single Pole Single Throw – Normally Open) device, meaning it only conducts when pressed and returns to open when released. Key Features Switch Type Tactile momentary (OFF–(ON)) pushbutton Contact Configuration SPST-NO (Normally Open) Mounting Type Surface Mount (SMD) with gull-wing leads Actuation Style Top-actuated round button Electrical Rating 50 mA @ 24 VDC Operating Force Approximately 1.57 N (~160 gf) Low Profile Design Compact height (~3–3.5 mm typical), suitable for slim devices Mechanical Life Around 100,000 cycles Contact Material Copper alloy with silver plating for reliable conductivity Compact Size Typically ~6 × 6 mm footprint RoHS Compliant Lead-free and environmentally compliant tactile switch momentary 4 pin smd #CommonPartsLibrary #Switch

Connector Header Through Hole 10 position 0.050" pin header 2x5 1.27mm The Harwin M50-3500542 is a 1.27 mm pitch (0.05") 2×5 male pin header from the Harwin Archer M50 series, designed for board-to-board or cable-to-board interconnections. It is a through-hole, vertical PCB connector commonly used in embedded systems, debug interfaces (SWD/JTAG), and compact electronics where high-density signal routing is required. This connector provides a reliable low-profile interconnect solution with gold-plated contacts for good signal integrity and durability in industrial environments. Key Features Connector Type 2×5 (10-position) male pin header Dual-row configuration Pitch 1.27 mm (0.05") fine pitch for high-density PCB layouts Mounting Type Through-hole vertical PCB mount Contact Type Male square pins (0.4 mm typical) Electrical Rating Up to 1A per contact Contact Plating Gold plated mating area Tin plated tail for soldering Operating Temperature -40 °C to +105 °C Housing Material High-temperature thermoplastic (UL94 V-0 rated) Stacking / Mating Heights Multiple height options (approx. 3.2 mm to 6.2 mm) for flexible board stacking Compact Design Designed for high-density embedded PCB layouts Typical Applications ARM Cortex SWD / JTAG debug headers Embedded development boards Board-to-board mezzanine connections Industrial control electronics Compact IoT and MCU systems #CommonPartsLibrary #Connector #Header

Battery Retainer Coin, 24.5mm 1 Cell SMD (SMT) Tab BAT-HLD-006-SMT is a surface-mount coin-cell battery holder designed for secure retention of a single CR2450 lithium coin battery in compact PCB applications. Manufactured by TE Connectivity, it provides a low-profile, reliable power solution for embedded systems, wireless sensors, IoT devices, medical electronics, and backup power circuits. The holder features a horizontal battery orientation, phosphor bronze construction, and nickel-plated contacts for durability and dependable electrical performance. Key Features Supports one CR2450 coin-cell battery Surface-mount (SMT) PCB installation Horizontal battery orientation for low-profile designs Nickel-plated contacts for reliable conductivity and corrosion resistance Phosphor bronze construction for mechanical durability Maximum contact current rating of 1 A Compact design with approximately 6.88 mm height above PCB Suitable for automated assembly and reflow soldering processes Ideal for RTC backup, wireless modules, portable electronics, and IoT devices #BatteryHolder #CR2450 #CoinCellHolder #SMT #SurfaceMount #TEConnectivity #PowerManagement #EmbeddedSystems #IoT #PCBDesign #Electronics #BatteryRetainer #HardwareDesign #ElectronicComponents

SWITCH TACTILE SPST SMD The KH-6X6X5H-STM is a compact surface-mount tactile push-button switch manufactured by Kinghelm. It is a 6 mm × 6 mm momentary SPST (Single Pole Single Throw) switch designed for user-input functions in consumer electronics, industrial controls, embedded systems, IoT devices, and portable equipment. The switch provides tactile feedback when pressed and automatically returns to its normal state when released. Key Features Tactile momentary switch with click feedback SPST normally-open contact configuration 6 mm × 6 mm footprint 5 mm actuator height Surface-mount (SMT) package 4-pin gull-wing terminals 12 V DC rated voltage 50 mA contact current rating 80,000-cycle mechanical life Round black actuator button Vertical actuation design Compact size suitable for dense PCB layouts RoHS compliant Typical Applications Power and reset buttons Consumer electronics Remote controls IoT and smart devices Industrial control panels Portable instruments Embedded development boards Home appliances and control interfaces For PCB library creation, the component is commonly classified as: Component Type: Tactile Switch Switch Configuration: SPST-NO Mounting Type: Surface Mount (SMT) Package: SMD-4P, 6×6 mm Designator Prefix: SW #CommonPartsLibrary #Switch

The TPS63802DLAR is a highly integrated synchronous buck-boost DC-DC converter designed to provide a regulated output voltage when the input voltage is either above, below, or equal to the desired output voltage. The device automatically transitions between buck and boost operating modes to maximize efficiency across a wide input range. It is optimized for battery-powered and portable electronic applications requiring high power conversion efficiency, low quiescent current, compact solution size, and stable operation under varying load conditions. The TPS63802DLAR is commonly used in wearable devices, IoT products, wireless modules, sensors, handheld electronics, and embedded systems. Engineering Specification Device Type Synchronous Buck-Boost DC-DC Converter Topology Automatic Buck and Boost Mode Operation Output Configuration Single Adjustable Output Control Method Current Mode Control Architecture Switching Operation High-Frequency Synchronous Switching Regulation Power Conversion Step-Up and Step-Down Voltage Regulation Efficiency Characteristics High Conversion Efficiency Across Wide Input and Load Conditions Quiescent Current Optimized for Low-Power and Battery-Operated Applications Protection Features Overcurrent Protection Thermal Shutdown Protection Short-Circuit Protection Undervoltage Lockout Protection Soft-Start Functionality Package Style VSON Surface-Mount Package Mounting Type Surface Mount Technology Input Source Compatibility Single-Cell and Multi-Cell Battery Systems USB Power Sources Portable Power Systems Applications Battery-Powered Electronics Wearable Devices Internet of Things Equipment Wireless Communication Modules Portable Medical Devices Handheld Consumer Electronics Embedded Control Systems Industrial Sensors Data Acquisition Systems Features Automatic Buck-Boost Transition Integrated Power Switches Low Quiescent Current Operation High Power Density Design Compact Footprint Fast Transient Response Wide Input Voltage Compatibility High Reliability Performance Optimized for Portable Applications RoHS Compliant Construction Manufacturer Texas Instruments #commonpartslibrary #integratedcircuit #powermanagement #dcdcconverter #buckboost #powersupply #voltageregulator #batterypowered #embeddedsystems #portableelectronics #iot #texasinstruments #powerelectronics #smps #electroniccomponents

The ESP32-CAM Ai-Thinker is a compact, low-cost Wi-Fi and Bluetooth-enabled camera development module based on the ESP32-S dual-core microcontroller. It integrates an OV2640 2MP camera sensor, onboard Flash memory, PSRAM, and a MicroSD card slot, making it suitable for IoT vision applications, wireless surveillance, image capture, video streaming, face recognition, and smart home projects. The module combines wireless connectivity and image processing capabilities in a small form factor while maintaining low power consumption. Key Features ESP32-S Dual-Core Processor Tensilica Xtensa LX6 dual-core 32-bit CPU Operating frequency up to 240 MHz Computing performance up to 600 DMIPS Integrated Camera Equipped with OV2640 CMOS image sensor Maximum image resolution: 1600 × 1200 (UXGA, 2MP) Supports JPEG image compression and video streaming Memory 4 MB Flash memory External PSRAM for frame buffering and image processing 520 KB internal SRAM Wireless Connectivity 2.4 GHz Wi-Fi (802.11 b/g/n) Bluetooth 4.2 BR/EDR and BLE support Storage Built-in MicroSD/TF card slot Supports local storage of images, videos, and data logs Peripheral Interfaces UART SPI I²C PWM ADC DAC GPIO expansion pins Power Supply Operating voltage: 5 V Low-power operation with deep-sleep capability for battery-powered applications Compact Design Module size approximately 27 mm × 40.5 mm PCB antenna onboard Optional external antenna connection on some variants

The ESP32-C3FH4 is a highly integrated wireless microcontroller designed for Internet of Things, smart devices, industrial automation, consumer electronics, and embedded connectivity applications. It combines a low-power RISC-V processor with integrated Wi-Fi and Bluetooth Low Energy connectivity, providing a cost-effective and secure platform for wireless communication and edge computing. The device incorporates embedded flash memory, advanced security features, low-power operating modes, and a rich set of peripheral interfaces, making it suitable for battery-powered and always-connected systems. Its compact design and comprehensive software ecosystem enable rapid development of connected products while maintaining high reliability and energy efficiency. The ESP32-C3FH4 is widely used in smart sensors, home automation devices, wearable electronics, industrial monitoring systems, wireless control modules, and cloud-connected embedded products. Features Integrated RISC-V microcontroller core Built-in Wi-Fi connectivity Integrated Bluetooth Low Energy support Embedded flash memory Low-power operation for battery-powered applications Hardware cryptographic acceleration Secure boot capability Flash encryption support Multiple GPIO interfaces Integrated UART, SPI, I²C, I²S, PWM, and ADC peripherals Real-time processing capability Wireless networking and cloud connectivity support OTA firmware update support Compact surface-mount package Industrial-grade reliability Electrical Characteristics Wireless microcontroller architecture Integrated RF subsystem Low-power operating modes High-performance embedded processing Secure communication support Multi-protocol wireless connectivity Flexible peripheral expansion capability Optimized power consumption for IoT devices Applications Internet of Things devices Smart home automation Wireless sensor networks Industrial monitoring systems Asset tracking devices Wearable electronics Smart appliances Remote control systems Data acquisition platforms Edge computing applications Connected consumer products Embedded wireless gateways Package Information Surface-mount package Compact footprint for embedded applications Suitable for automated assembly processes Optimized thermal and electrical performance PCB-friendly package design #commonpartslibrary #integratedcircuit #microcontroller #wirelessconnectivity #wifi #bluetoothlowenergy #iot #embeddedsystems #espressif #smartdevices #industrialautomation #edgecomputing #wirelessmodule #internetofthings #electronicsdesign #riscv #embeddedelectronics #lowpowerdesign

JST PH SMD Connector Header Surface Mount, Right Angle 2 position 0.079" (2.00mm) The S2B-PH-SM4-TB(LF)(SN) is a surface-mount, 2-position wire-to-board header connector from the JST PH series. It is designed for compact and reliable connections in low-current, signal, and power applications. With a 2.0 mm pitch and secure friction-lock mechanism, this connector ensures stable mating with corresponding PH series crimp housings. The connector features side-entry (horizontal) orientation and solder tabs for enhanced PCB retention, making it suitable for automated assembly and high-vibration environments. Key Features 2-position connector (2 circuits) 2.0 mm pitch spacing Surface-mount, right-angle (side entry) configuration Friction-lock mechanism for secure mating Solder hold-down tabs for mechanical stability Compact, low-profile design Compatible with JST PH series housings and terminals Tape & reel packaging for automated assembly Mechanical Characteristics Mounting Type: Surface Mount (SMT) Orientation: Right Angle (Side Entry) Pitch: 2.0 mm Number of Positions: 2 Mating Type: Friction lock Board Retention: Solder tabs (SM4 type) Electrical Characteristics Rated Current: 2 A (per contact, AWG #24) Rated Voltage: 100 V AC/DC Contact Resistance: ≤ 20 mΩ (initial) Insulation Resistance: ≥ 100 MΩ Withstanding Voltage: 800 VAC/minute Material Specifications Insulator: Polyamide (Nylon), UL94V-0 rated Contact Material: Copper alloy Contact Plating: Tin over nickel (Sn plating) Environmental Specifications Operating Temperature Range: -25°C to +85°C Storage Temperature: -40°C to +85°C Packaging Information Packaging Type: Tape & Reel (TB suffix) Lead-Free: Yes (LF) Surface Finish: Tin plating (SN) Compatible Components Mating Housing: JST PH series (e.g., PHR-2) Crimp Terminals: SPH-002T-P0.5S or equivalent Typical Applications Consumer electronics Battery connections Signal and low-power connections Embedded systems and IoT devices Portable and compact electronic assemblies #commonpartslibrary #connector #header #tht

Slide Switch SPST 4A 125V Throuh Hole The L101011MS02Q is a single-pole, single-throw (SPST) miniature toggle switch designed for low-power switching applications. It features a compact panel-mount design with a durable actuator and reliable contact mechanism, making it suitable for control and signal switching in industrial, instrumentation, and consumer electronics. The switch provides a maintained (latching) ON-OFF function and is built for long mechanical and electrical life. Key Features SPST (Single Pole, Single Throw) configuration ON-OFF maintained switching function Miniature toggle actuator Panel mount design with threaded bushing Solder lug terminals for secure wiring High mechanical durability Compact form factor Mechanical Characteristics Mounting Type: Panel mount Actuator Type: Toggle lever Bushing Type: Threaded, with nut and washer Terminal Type: Solder lug Number of Poles: 1 Number of Throws: 1 Switching Function: ON-OFF (latching) Electrical Characteristics Rated Voltage: 125 VAC / 28 VDC Rated Current: 3 A @ 125 VAC, 6 A @ 28 VDC Contact Resistance: ≤ 20 mΩ (initial) Insulation Resistance: ≥ 1,000 MΩ Dielectric Strength: 1,000 VAC for 1 minute Material Specifications Housing: Thermoplastic or phenolic (manufacturer dependent) Actuator: Metal (nickel-plated brass) Contacts: Copper alloy with silver plating Terminals: Brass, tin-plated Environmental Specifications Operating Temperature Range: -30°C to +85°C Storage Temperature: -40°C to +85°C Mechanical Life Mechanical Life: ≥ 40,000 cycles Electrical Life: ≥ 10,000 cycles (at rated load) Typical Applications Control panels Power switching for small devices Instrumentation equipment Audio equipment Industrial and consumer electronics #commonpartslibrary #rocker #switch #spst

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