Connector Header Through Hole 40 position 0.100" (2.54mm) Raspberry Pi 40 pin header The TSW-120-07-G-D is a through-hole, double-row vertical header manufactured by Samtec. It features 40 total positions (2 rows of 20 pins) with a standard 2.54 mm pitch. This connector is widely used for board-to-board connections, prototyping, and general-purpose signal routing in embedded and electronic systems. It is designed for reliable mechanical and electrical performance with gold-plated contacts for enhanced conductivity and corrosion resistance. Manufacturer Samtec Inc. Manufacturer Part Number TSW-120-07-G-D Product Type Through-Hole Pin Header Number of Positions 40 (2 × 20) Number of Rows 2 Pitch 2.54 mm (0.100") Row Spacing 2.54 mm (0.100") Mounting Type Through Hole Orientation Vertical Contact Material Phosphor Bronze Contact Plating Gold (Au) over Nickel Plating Thickness Typically 10 µin (0.25 µm) Gold Insulator Material Black Liquid Crystal Polymer (LCP) Current Rating Typically 3.0 A per contact (depending on application conditions) Voltage Rating Typically 250 VAC Operating Temperature Range -55°C to +125°C Termination Type Solder Contact Style Square Post Post Length Standard Samtec “-07” tail length (approx. 2.92 mm tail, varies slightly per datasheet) Applications Embedded systems (e.g., Raspberry Pi GPIO headers) Development boards and expansion modules Board-to-board interconnects Prototyping and test setups Compliance RoHS Compliant Lead-Free Notes Compatible with standard 2.54 mm female headers and sockets Commonly used in stacking or mezzanine configurations Available in various plating options and pin lengths under the TSW series #commonpartslibrary #connector

Polymeric PTC Resettable Fuse 60V 500 mA Ih Surface Mount 2-SMD 500mA resettable fuse pptc The SMD050F-2 is a surface-mount resettable fuse (PPTC – Polymer Positive Temperature Coefficient) designed to provide overcurrent protection in low-voltage electronic circuits. It operates by increasing its resistance significantly when excessive current flows, thereby limiting current and protecting downstream components. Once the fault condition is removed and the device cools, it automatically resets to its low-resistance state, enabling normal operation without replacement. This component is commonly used in power supply lines, USB ports, battery-powered devices, and general electronic protection applications where space-saving and reliability are important. Key Features Resettable overcurrent protection (self-recovering) Surface-mount package for compact PCB layouts Low resistance in normal operation Fast response to fault conditions Automatic reset after fault removal RoHS compliant and lead-free Electrical Characteristics Hold current: 0.5 A Trip current: 1.0 A (typical) Maximum voltage: 60 V Maximum current: 40 A (fault current rating) Initial resistance: low resistance range suitable for minimal voltage drop Resistance after trip: significantly increased to limit current Thermal Characteristics Operating temperature range: -40°C to +85°C Trip time dependent on applied current and ambient temperature Reset time dependent on cooling conditions Mechanical Characteristics Package type: Surface-mount (SMD) Compact footprint suitable for dense PCB layouts Compatible with standard reflow soldering processes Applications USB and peripheral port protection Power supply and DC line protection Battery pack protection Consumer electronics Industrial control circuits Compliance and Standards RoHS compliant Halogen-free (depending on manufacturer variant) Meets industry standards for resettable fuses #commonpartslibrary #circuitprotection #ptc #fuse

Telecom Relay DPDT (2 Form C) Through Hole The G6K-2P-Y DC5 is a compact, ultra-miniature signal relay designed for high-density PCB mounting applications. Manufactured by Omron, this relay features a DPDT (2 Form C) contact configuration and operates with a 5 VDC coil. It is optimized for switching low-level signals and is commonly used in telecommunications, test and measurement equipment, and consumer electronics where space-saving and high reliability are critical. Key Features Ultra-miniature, low-profile design for high-density mounting DPDT (2 Form C) contact configuration High sensitivity coil (low power consumption) Gold-clad contacts for low-level signal switching High reliability and long mechanical life Fully sealed construction (flux protection) Suitable for surface-mount and through-hole variants (depending on suffix) Electrical Characteristics Coil Specifications Rated Coil Voltage: 5 VDC Coil Resistance: ~125 Ω Coil Current: ~40 mA Power Consumption: ~200 mW Must Operate Voltage: ≤ 75% of rated voltage Must Release Voltage: ≥ 10% of rated voltage Contact Specifications Contact Configuration: DPDT (2 Form C) Contact Material: Gold-clad silver alloy Contact Rating: 1 A at 30 VDC 0.5 A at 125 VAC Maximum Switching Voltage: 125 VAC / 60 VDC Maximum Switching Current: 1 A Maximum Switching Power: 30 W (DC) 62.5 VA (AC) Timing Characteristics Operate Time: ≤ 3 ms Release Time: ≤ 3 ms Insulation Characteristics Insulation Resistance: ≥ 1,000 MΩ (at 500 VDC) Dielectric Strength: Between Coil and Contacts: 1,000 VAC (1 min) Between Open Contacts: 500 VAC (1 min) Mechanical Characteristics Mounting Type: Through-hole (Y variant, PCB terminal) Weight: ~1 g Enclosure: Sealed (flux-resistant) Environmental Specifications Operating Temperature Range: -40°C to +70°C Storage Temperature Range: -40°C to +85°C Vibration Resistance: 10 to 55 Hz, 1.5 mm double amplitude Shock Resistance: 1,000 m/s² Life Expectancy Mechanical Life: ≥ 100 million operations Electrical Life: ≥ 100,000 operations (at rated load) Applications Telecommunications equipment Test and measurement instruments Audio signal routing Industrial control systems Consumer electronics Package Information Manufacturer: Omron Electronics Series: G6K Part Number: G6K-2P-Y DC5 #commonpartslibrary #relay

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

3.5 F (EDLC) Supercapacitor 5.5 V Radial, Can 160mOhm @ 1kHz 1000 Hrs @ 65°C Supercapacitor – SCM Series (3.5F, 5.5V) General Information Manufacturer: Sruite Electronic Technology (US) Series: SCM Part Status: Active Packaging: Bulk Electrical Characteristics Capacitance: 3.5 F Tolerance: -20% / +80% Rated Voltage: 5.5 V ESR (Equivalent Series Resistance): 160 mΩ @ 1 kHz Reliability Lifetime: 1000 hours @ 65°C Mechanical Characteristics Mounting Type: Through Hole Termination: PC Pins Package Type: Radial, Can Physical Dimensions Lead Spacing: 5.50 mm (0.217") Body Size (L × W): 20.0 mm × 10.0 mm Height (Max): 22.0 mm (0.866") Environmental Conditions Operating Temperature Range: -25°C to +70°C Compliance / Classification Grade: Not specified Qualification: Not specified #CommonPartsLibrary #EDLC #SCM

AMPHENOL_10076801-101-06LF Amphenol ICC (FCI) \nBergStik, Board to Board connector, Unshrouded Vertical Header, Through Hole, Double row , 6 Positions, 2.54mm (0.100in) Pitch, Pin In Paste\n None None https://www.snapeda.com/parts/10076801-101-06LF/Amphenol+FCI/view-part/?ref=eda Manufacturer Recommendations E https://www.snapeda.com/parts/10076801-101-06LF/Amphenol+FCI/view-part/?ref=snap 10076801-101-06LF

Fuse Holder 80V 1 Circuit Blade Through Hole General Description The 178.7017.0001 is a PCB-mounted fuse holder designed for cartridge fuses, typically used in power input protection circuits. It provides a secure and reliable method for mounting and replacing fuses in electronic assemblies. This component is commonly used in industrial equipment, power supplies, and consumer electronics where overcurrent protection is required. Key Features Designed for standard cartridge fuses (commonly 5x20 mm format) Through-hole PCB mounting for secure mechanical stability Reliable electrical contact with low resistance Easy fuse replacement and maintenance High-temperature resistant housing material Suitable for mains and low-voltage applications Mechanical Characteristics Mounting Type: Through-Hole (THT) Fuse Size Compatibility: 5 mm x 20 mm Orientation: Vertical PCB mount Housing Material: Thermoplastic (UL94 V-0 rated) Pin Configuration: 2-pin Electrical Characteristics Rated Current: Up to 10 A (depending on fuse used) Rated Voltage: Up to 250 VAC Contact Resistance: Low contact resistance for efficient conduction Insulation Resistance: High insulation resistance Environmental Characteristics Operating Temperature Range: -40°C to +85°C (typical) Storage Temperature Range: -40°C to +85°C Flame Rating: UL94 V-0 compliant Applications Power supply units Industrial control systems Consumer electronics Battery chargers AC mains protection circuits Compliance & Standards RoHS compliant UL recognized materials (depending on manufacturer variant) Notes Ensure compatibility with selected fuse rating and type Observe proper PCB layout spacing for high-voltage applications Follow safety standards when used in mains-powered circuits #commonpartslibrary #circuitprotection #fuseholder

50 Position Connector Receptacle, Center Strip Contacts Surface Mount Gold The DF12C(3.0)-50DS-0.5V(81) is a high-density, board-to-board mezzanine connector from Hirose Electric’s DF12 series. It features a 0.5 mm pitch with 50 contacts in a dual-row configuration, designed for compact PCB layouts requiring reliable high-speed and high-signal-count interconnections. This connector is optimized for applications such as embedded systems, industrial electronics, communication devices, and portable equipment where space-saving and robust mating performance are critical. Manufacturer Information Manufacturer: Hirose Electric Co., Ltd. Series: DF12 Part Number: DF12C(3.0)-50DS-0.5V(81) Mechanical Specifications Connector Type: Board-to-Board (Mezzanine) Mounting Type: Surface Mount (SMT) Contact Configuration: Dual Row Number of Positions: 50 Pitch: 0.5 mm Stacking Height: 3.0 mm Mating Style: Receptacle (Socket) Contact Plating: Gold over Nickel Termination Style: Solder (SMT pads) Board Retention: None (standard SMT anchoring) Electrical Specifications Rated Current: 0.5 A per contact (typical) Rated Voltage: 50 V AC/DC Contact Resistance: ≤ 100 mΩ (initial) Insulation Resistance: ≥ 100 MΩ Withstanding Voltage: 250 V AC for 1 minute Material Specifications Insulator Material: LCP (Liquid Crystal Polymer), UL94V-0 rated Contact Material: Copper Alloy Plating: Gold plating on contact area, Tin on solder tails Environmental Specifications Operating Temperature Range: -35°C to +85°C Storage Temperature Range: -10°C to +60°C Humidity: Up to 85% RH (non-condensing) Packaging Information Packaging Type: Tape and Reel Reel Quantity: Typically 1,000–2,000 pcs per reel Applications Embedded systems Industrial control equipment Communication devices Portable electronics High-density PCB interconnections Compliance & Standards RoHS Compliant: Yes Halogen-Free: Yes UL Flammability Rating: UL94V-0 Mating Connector Compatible with DF12 series plug connectors with 3.0 mm stacking height and 0.5 mm pitch #commonpartslibrary #connector

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

RF Transistor 5 NPN 15V 50mA 550MHz 300mW Through Hole 14-PDIP The CA3046 contains five matched NPN bipolar junction transistors (BJTs) integrated on a single silicon chip. These transistors share a common substrate but are electrically isolated from each other, allowing flexible circuit configurations. It is commonly used in analog circuits where closely matched transistor characteristics are required, such as differential amplifiers and current mirrors. Key Features Type: NPN transistor array IC Number of Transistors: 5 matched transistors Integrated Structure: Monolithic silicon chip Isolation: Each transistor is individually accessible Matching: Good thermal and electrical matching between transistors Package: Typically 14-pin DIP or SOIC (varies by manufacturer) Electrical Characteristics (typical) Collector-emitter voltage (Vce): up to ~15 V (varies by variant) Collector current: a few milliamps per transistor (low-power signal applications) Frequency response: suitable for low to medium-frequency analog circuits Operating temperature: industrial range (depends on manufacturer spec) Typical Applications Differential amplifiers Current mirrors Temperature sensing circuits Signal processing circuits Oscillators and timing circuits General-purpose analog transistor building blocks #CommonPartsLibrary #Transistor # BJT #RF-transistor #Bipolar