Molex SL series right-angle PCB header with latch and split pegs, 2.54mm (0.100") pitch wire-to-board connector, available in 2 to 25 circuit positions, through-hole mounting, 0.64mm square pins, glass-filled polyester UL94V-0 housing, phosphor bronze terminals, positive locking latch for secure cable retention, designed for reliable signal and power connections in industrial, consumer, automotive and embedded electronic applications. Molex 70551-0003 Molex SL header, Molex SL series connector, Molex 70400, Molex 70430, right angle header with latch, split peg header, 2.54mm wire to board connector, 0.100 inch header, Molex SL right angle header, locking PCB header, through hole connector, phosphor bronze header, Molex wire to board system Hashtags: #MolexSL #MolexConnector #SLSeries #WireToBoardConnector #RightAngleHeader #LockingHeader #SplitPegHeader #254mmPitch #100MilConnector #ThroughHoleConnector #PCBHeader #PhosphorBronzeContacts #IndustrialConnector #EmbeddedHardware #Molex70400 #Molex704302.54mm Pitch SL Header, Single Row, Right Angle, 3.05mm Pocket, Shrouded, with Beveled Plastic Peg, 4 Circuits, Tin (Sn) Plating

Slide Switch, SPDT, On-On, Through Hole, OS Series, 100mA # OS102011MS2QN1 ## General Description The OS102011MS2QN1 is a miniature slide switch manufactured by C&K, designed for low-power signal switching and control applications in electronic equipment. The switch features a compact mechanical design, reliable contact performance, and through-hole mounting configuration, making it suitable for embedded systems, industrial controls, instrumentation, telecommunications equipment, consumer electronics, and portable devices. Its robust construction ensures dependable operation throughout repeated switching cycles while maintaining stable electrical performance. The device is commonly utilized for mode selection, power control, configuration settings, and user-interface functions within electronic assemblies. ## Key Features ### Mechanical Characteristics * Miniature slide switch construction * Through-hole PCB mounting * Compact form factor * Durable actuator mechanism * Positive switching action * Designed for repeated mechanical operation ### Switching Characteristics * Maintained-contact operation * Reliable position retention * Low-force actuation * Stable contact engagement * Suitable for signal and control switching applications ### Electrical Characteristics * Low contact resistance * Reliable signal transmission * Stable switching performance * Suitable for low-current and low-voltage circuits * Consistent electrical operation throughout service life ### Contact System * High-reliability contact materials * Corrosion-resistant contact surfaces * Long operational durability * Dependable electrical continuity ### Material Construction * High-strength thermoplastic housing * Industrial-grade metallic contacts * Durable actuator assembly * RoHS-compliant materials ### Environmental Characteristics * Suitable for commercial and industrial electronic equipment * Resistant to mechanical wear * Reliable performance under normal operating environments * Designed for long-term service reliability ### Application Areas * Embedded Systems * Industrial Control Equipment * Consumer Electronics * Test and Measurement Instruments * Communication Devices * Medical Electronics * Power Control Circuits * User Interface Controls * Configuration and Mode Selection Functions * Electronic Development Platforms ### Compliance * RoHS Compliant * Lead-Free Compatible * Industrial-Grade Switching Component ## Manufacturer C&K ## Product Family OS Series Miniature Slide Switches #OS102011MS2QN1 #CKSwitches #SlideSwitch #MiniatureSwitch #ElectronicSwitch #PCBSwitch #EmbeddedSystems #IndustrialElectronics #ControlSystems #ConsumerElectronics #HardwareDesign #ElectronicsEngineering #SignalSwitching #PCBAssembly #ElectronicComponents #commonpartslibrary #switch #slide #spdt

CH32V003 series is an industrial-grade general-purpose microcontroller designed based on QingKe RISC-V2A core, which supports 48MHz system main frequency in the product function. The series features wide voltage, single-wire serial debug interface, low-power consumption and ultra-small package. It provides commonly used peripheral functions, built-in 1 group of DMA controller, 1 group of 10-bit analog-to-digital conversion ADC, 1 group of op-amp comparator, multiple timers, standard communication interfaces such as USART, I2C, SPI, etc. The rated operating voltage of the product is 3.3V or 5V, and the operating temperature range is -40℃～85℃ industrial- grade. #CommonPartsLibrary #Microcontroller #CH32V003A4M6

1.5A USB-Friendly Li-Ion Battery Charger and Power-Path Management IC with 4.2 VBAT The BQ24075TRGTR (from Texas Instruments) is a highly integrated single-cell Li-Ion / Li-Polymer linear battery charger IC with power-path management. It is designed for portable and space-constrained applications, allowing a device to be powered from a USB port or AC adapter while simultaneously charging the battery. The device integrates charging control, power-path management, and safety features into a compact package. A key feature is its Dynamic Power Path Management (DPPM), which ensures the system is powered even when the battery is low or absent, while intelligently managing charging current. Key Features Battery Charging Supports single-cell Li-Ion / Li-Polymer batteries Up to 1.5 A programmable charge current Three-phase charging: Pre-charge (conditioning) Constant current Constant voltage Fixed 4.2 V charge voltage Power Path Management Dynamic Power Path Management (DPPM): Powers system and charges battery simultaneously Prioritizes system load over charging Allows system operation even with: Deeply discharged battery No battery connected Input & Power Features Operates from: USB input (100 mA / 500 mA selectable) AC adapter Programmable input current limit up to 1.5 A Input voltage range: ~4.35 V to 6.4 V (28 V max rating) Input dynamic power management (VIN-DPM) prevents source overload Protection & Safety Thermal regulation and shutdown Over-voltage protection (OVP) Short-circuit and reverse current protection Battery temperature monitoring (NTC thermistor input) Battery disconnect (SYSOFF) feature Control & Status Standalone operation (no MCU required, resistor-programmable) Charge status outputs: Charging Charge complete Power good Physical Characteristics Package: 16-pin VQFN (3 mm × 3 mm) Operating temperature: –40°C to +85°C #commonpartslibrary #integratedcircuit #powermanagement #batterycharger

USB Controller USB 2.0 I2C Interface 24-QFN (4x4) The STUSB4500QTR is a standalone USB Type-C Power Delivery (PD) controller from STMicroelectronics designed for power sink applications (devices that receive power, like chargers, IoT devices, or battery-powered systems). It enables automatic negotiation of USB Power Delivery contracts (up to 100 W: 20 V / 5 A) without requiring an external microcontroller, thanks to its built-in auto-run algorithm. Power profiles (PDOs) can be pre-configured and stored in internal non-volatile memory, simplifying system design and reducing component count. The device is optimized for modern USB-C designs, offering robust protection, high-voltage tolerance, and support for operation even from a dead battery state. Key Features Power Delivery & Control Standalone USB Type-C™ and USB PD sink controller Supports up to 100 W (20 V, 5 A) power negotiation Auto-run mode (no MCU required) for PD negotiation Up to 3 configurable sink PDO profiles stored in NVM Power Management Dead battery mode support (can start with no battery power) Dual power supply inputs: V_SYS: 3.0 V – 5.5 V V_DD: 4.1 V – 22 V Integrated VBUS monitoring and control Integrated Functions Built-in VBUS switch gate drivers (PMOS) Internal/external VBUS discharge paths I²C interface for configuration and monitoring Protection & Reliability Short-to-VBUS protection on CC pins (up to 22 V) High-voltage tolerance: Up to 28 V on VBUS pins ESD protection: 3 kV HBM / 1.5 kV CDM Physical & Environmental Package: QFN-24 (4×4 mm) Operating temperature: –40°C to +105°C Industrial-grade reliability Compliance & Compatibility Certified for: USB Type-C Rev 1.2 USB PD Rev 2.0 Interoperable with USB PD 3.0 #commonpartslibrary #integratedcircuit #usbcontroller

600kHz Switching Li-Ion Charger with System Power Path Management #ultralibrarian

Spring Clamp System Terminal Block KF239-5.08-3P CONN-TH_KF239-5.08-3P LCSC Part Number: C976702 JLCPCB Part Class: undefined Manufactured by KEFA(科发)

2 Position Wire to Board Terminal Block Horizontal with Board 0.100" (2.54mm) Through Hole 1725656 – PCB-mounted screw terminal block designed for secure wire-to-board connections in industrial, control, automation, instrumentation, and power distribution applications. Features a screw-clamp termination system that provides reliable electrical contact and strong wire retention under vibration and demanding operating conditions. The through-hole construction offers enhanced mechanical stability, making it suitable for long-term field installations and high-reliability electronic assemblies. Designed to simplify wiring, maintenance, and system integration while ensuring dependable signal and power connectivity. #TerminalBlock #ScrewTerminal #WireToBoard #IndustrialElectronics #PowerDistribution #AutomationSystems #ControlPanels #ThroughHoleConnector #PCBConnector #ReliableConnectivity #connector #Terminalblock #tht

Pluggable System Terminal Block 1881613 CONN-TH_8P-P2.50_PHOENIXCONTACT_1881613 LCSC Part Number: C3019607 JLCPCB Part Class: undefined Manufactured by Phoenix Contact(菲尼克斯)

3.8-V to 36-V, 3-A synchronous step-down voltage converter Buck Switching Regulator IC Positive Adjustable 1V 1 Output 3A 12-PowerVFQFN The LMR33630-Q1 automotive-qualified regulator is an easy-to-use, synchronous, step-down DC/DC converter that delivers best-in-class efficiency for rugged applications. The LMR33630-Q1 drives up to 3 A of load current from an input of up to 36 V. The LMR33630-Q1 provides high light load efficiency and output accuracy in a very small solution size. Features such as a power-good flag and precision enable provide both flexible and easy-touse solutions for a wide range of applications. The LMR33630-Q1 automatically folds back frequency at light load to improve efficiency. Integration eliminates most external components and provides a pinout designed for simple PCB layout. Protection features include thermal shutdown, input undervoltage lockout, cycle-by-cycle current limit, and hiccup short-circuit protection. The LMR33630-Q1 is available in a 12-pin 3 mm × 2 mm next generation VQFN package with wettable flanks • AEC-Q100 qualified for automotive applications: – Temperature grade 1: –40°C to +125°C, TA • Functional Safety-Capable – Documentation available to aid functional safety system design • Configured for rugged automotive applications – Input voltage range: 3.8 V to 36 V – Output voltage range: 1 V to 24 V – Output current: 3 A – 75-mΩ/50-mΩ RDS-ON power MOSFETs – Peak-current-mode control – Short minimum on-time of 68 ns – Frequency: 400 kHz, 1.4 MHz, 2.1 MHz – Integrated compensation network • Low EMI and switching noise – HotRod™ package – Parallel input current paths • High power conversion at all loads – Peak efficiency > 95% – Low shutdown quiescent current of 5 µA – Low operating quiescent current of 25 µA #CommonPartsLibrary #IntegratedCircuit #PowerManagement #LMR33630

Connector Header Through Hole 6 position 0.100" (2.54mm) The TSW-103-07-G-D is a through-hole, dual-row (2×3) male pin header from the TSW series of Samtec. It is designed for board-to-board or cable-to-board interconnections, using a standard 2.54 mm (0.1″) pitch, making it widely compatible with common PCB layouts and prototyping systems. This connector features gold-plated square posts for reliable electrical contact and durability, and is commonly used in embedded systems, development boards, and general electronics applications. Key Features Connector Type: Male pin header (unshrouded) Number of Positions: 6 pins (2 rows × 3 pins) Pitch: 2.54 mm (0.100″) standard spacing Mounting Type: Through-hole soldering Contact System: 0.025″ (0.635 mm) square post Contact Material: Phosphor bronze with gold plating Orientation: Vertical (straight) Row Spacing: 2.54 mm Operating Temperature: −55 °C to +125 °C Insulator Material: PBT (UL94 V-0 rated) Typical Use: Board-to-board or cable interface AVR ISP 2x3 2.54mm header #commonpartslibrary #connector #header

The CN3063 is a complete constant-current /constant voltage linear charger for single cell Li-ion and Li Polymer rechargeable batteries. CN3063 is ideally suited for solar powered system.