Optical Sensor Ambient 550nm I2C/SMBus 6-UDFN Exposed Pad #CommonPartsLibrary #IntegratedCircuit #Sensor #Transducer #optical-Sensor #Ambient-Light #IR #UV-Sensor #OPT3004

Buck Switching Regulator IC Positive Fixed 5V 1 Output 1A SOT-23-6 The LMR50410Y5FQDBVRQ1 (part of the LMR50410-Q1 family from Texas Instruments) is a synchronous step-down (buck) DC-DC converter designed for automotive and industrial power applications. It operates over a wide input voltage range of 4 V to 36 V and can deliver up to 1 A output current, making it suitable for converting higher, unregulated voltages into stable lower voltages (e.g., 5 V or 3.3 V rails). The device integrates power switches, control circuitry, and compensation internally, allowing simple design with minimal external components and a compact PCB footprint. Key Features Power & Performance Wide input voltage range: 4 V to 36 V Output current: up to 1 A High switching frequency: 2.1 MHz (enables small inductors) High efficiency with PFM (light load) and FPWM (constant frequency) options Integration & Ease of Use Synchronous rectification (integrated high-side & low-side MOSFETs) Internal compensation (no complex external tuning) Minimal external components required Small SOT-23-6 package for compact designs Protection & Reliability Cycle-by-cycle current limit Short-circuit protection (hiccup mode) Thermal shutdown protection Undervoltage lockout (UVLO) ±1% reference voltage accuracy Automotive & Industrial Capability AEC-Q100 qualified (automotive grade) Operating temperature: Ambient: up to 125°C Junction: up to 150°C Designed for rugged automotive environments Additional Features Soft-start for controlled startup Precision enable pin for system control Monotonic startup with pre-biased output Available in fixed output (e.g., 5 V) variants Typical Applications Automotive electronics (ADAS, infotainment, lighting) Industrial power supplies Distributed power systems General-purpose DC-DC regulation #commonpartslibrary #integratedcircuit #powermanagement #voltageregulator

Optical Sensor Ambient 550nm I2C 8-SMD Module #CommonPartsLibrary #Transducers #Optical-Sensor #Ambient-Light #IR #UV-Sensor #VCNL4035

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

2 Position Wire to Board Terminal Block Horizontal with Board 0.200" speaker terminal block 2 pin 5.08mm AK300/3 KF301-2P 5.08mm The 277-1247-ND connector is an electronic interconnect component intended for establishing reliable electrical connections between conductors or between a conductor and a printed circuit assembly. It is designed for ease of installation, secure retention, and consistent electrical performance in low- to moderate-power applications. The connector supports efficient wiring configurations while maintaining mechanical stability and minimizing contact resistance. It is suitable for use in prototyping, industrial assemblies, and general-purpose electronic systems where dependable connectivity and repeatable termination are required. Engineering Specification The connector shall provide a stable electrical interface capable of maintaining low contact resistance under specified operating conditions. It shall be constructed from materials that ensure adequate conductivity, corrosion resistance, and mechanical durability over its intended service life. The housing shall be fabricated from an insulating material with sufficient ताप resistance and dielectric strength to prevent electrical leakage or shorting during normal operation. The contact mechanism shall support secure wire or terminal engagement, preventing accidental disconnection due to vibration or handling. The connector shall accommodate compatible wire gauges within its rated range and ensure proper clamping or retention without causing conductor damage. Electrical ratings shall align with standard low-voltage applications, including defined limits for current and voltage handling. Mechanical dimensions shall conform to manufacturer-defined tolerances to ensure compatibility with mating components or mounting interfaces. The connector shall be designed for straightforward installation using common tools or manual insertion methods, depending on its termination style. Environmental performance shall include resistance to typical ambient conditions such as humidity and moderate temperature variation, without degradation of electrical or mechanical properties. The connector shall meet applicable industry standards for safety and performance where relevant. #CommonPartsLibrary #Connector #COMBICON MKDSN

N-Channel 30 V 47.1A (Ta), 162A (Tc) 4.8W (Ta), 57W (Tc) Surface Mount PowerPAK® 1212-8SH 30 V N-channel TrenchFET® Gen V MOSFET that combines very low on-resistance (RDS(on)), high current capability, and a thermally efficient compact package. It is optimized for applications where high efficiency, low power loss, and small PCB footprint are critical. This device is built using advanced trench MOSFET technology, enabling low conduction and switching losses, which improves overall system efficiency in power electronics designs. N-channel MOSFET (enhancement mode) Low RDS(on): ~1.2 mΩ @ 10 V → minimizes conduction losses High current capability: 47.1 A (ambient) up to 162 A (case) 30 V drain-source voltage (VDS) Low gate charge (Qg) → fast switching performance Wide operating temperature: −55 °C to +150 °C Compact PowerPAK® 1212-8 package for high power density #CommonPartsLibrary #Transistor #FET #Mosfet #SISS52

Ultra-Low Capacitance Quad-Channel ESD Protection Array – Four-channel rail-to-rail transient voltage suppressor (TVS) / ESD protection array designed to protect high-speed data and communication interfaces including USB 2.0, HDMI, DVI, Ethernet, mobile devices, and embedded systems from electrostatic discharge (ESD) and transient overvoltage events. Features ultra-low 1 pF input/output capacitance to preserve signal integrity on high-speed lines, 6 V minimum breakdown voltage, and IEC 61000-4-2 Level 4 ESD protection (±8 kV contact discharge) with very low clamping voltage through an integrated rail-to-rail steering diode architecture. Includes four unidirectional protection channels, low reverse leakage current, and AEC-Q101 qualification for automotive applications. Specified for operation over a −55°C to +150°C ambient temperature range and housed in a compact 6-pin TSOP (SOT-457 / SC-74) surface-mount package. #Nexperia #PRTR5V0U4D125 #PRTR5V0U4D #TVSDiode #ESDProtection #TransientProtection #USBProtection #HDMIProtection #DVISProtection #HighSpeedInterface #AutomotiveElectronics #EmbeddedSystems

Automotive Nano-Power Precision Window Watchdog Timer – Automotive-grade precision window watchdog timer for automotive ECUs, ADAS, industrial controllers, safety-critical embedded systems, and microcontroller supervision. Operates from a 1.04 V to 6.0 V supply with an ultra-low 250 nA typical quiescent current, making it ideal for always-on and battery-powered applications. Features a programmable precision window watchdog with ±10% timing accuracy, factory-programmed or capacitor-programmable watchdog timeout (1 ms to 100 s), programmable reset delay (2 ms to 10 s), watchdog startup delay, open-window to close-window ratio selection (1× to 511×), manual reset (MR) support, latched or non-latched fault output, and open-drain active-low watchdog output for reliable system monitoring. Qualified to AEC-Q100 Grade 1, it operates over a −40°C to +125°C ambient temperature range and is housed in a compact 8-pin TSOT-23 (DDF) package. #TexasInstruments #TPS3436BFACADDFRQ1 #TPS3436Q1 #WatchdogTimer #WindowWatchdog #SupervisorIC #SystemMonitor #FunctionalSafety #AutomotiveElectronics #AECQ100 #TSOT238 #EmbeddedSystems

Yellow 588nm LED Indication - Discrete 2.1V Radial ellow Through-Hole LED for status indication and general-purpose illumination, featuring a 3 mm (T-1) diffused package with a GaAsP/GaP yellow emitter. It operates at a forward voltage of 1.95 V typ. (2.4 V max.) at 10 mA, provides 8 mcd minimum and 15 mcd typical luminous intensity at 10 mA, has a 50° viewing angle, and a 588 nm dominant wavelength (590 nm peak). The device supports a maximum continuous forward current of 30 mA and operates over an ambient temperature range of -40°C to +85°C. #YellowLED #ThroughHoleLED #3mmLED #T1LED #DiffusedLED #GaAsPGaP #IndicatorLED #StatusIndicator #Kingbright #Optoelectronics #CommonPartsLibrary #Optoelectronics #LED #SMD

Automotive High-Side Load Switch IC – Single-channel high-side load switch optimized for automotive power distribution, ADAS, infotainment, body electronics, industrial control, and embedded power management. Operates from a 1.5 V to 5.5 V control supply and switches 0.8 V to 5.5 V load voltages, delivering up to 3 A continuous output current with an ultra-low 19 mΩ (typical) ON resistance for minimal power loss. Features controlled slew-rate switching to reduce inrush current, integrated quick output discharge (QOD), fixed current limiting, thermal shutdown, reverse current blocking (when disabled), and low quiescent current for efficient operation. Qualified to AEC-Q100 Grade 1, it operates over a −40°C to +125°C ambient temperature range and is housed in a compact 6-pin SOT-23 Thin (TSOT-23-6) package. #TexasInstruments #TPS22995HQDDCRQ1 #TPS22995 #LoadSwitch #HighSideSwitch #PowerDistribution #PowerManagement #CurrentLimiting #AutomotiveElectronics #AECQ100 #SOT236 #EmbeddedSystems

Ambient Light Sensors APDS-9160-003 SENSOR-SMD_AVAGO_APDS-9160-003 LCSC Part Number: C2655129 undefined Manufactured by AVAGO(安华高)

Enclosed AC DC Converters 1 Output 12V 3.8A 85 ~ 305 VAC Input AC-DC power module providing a regulated 12 VDC output with up to 3.8 A (45.6 W) for PCB-mounted power conversion. It accepts a universal 85–305 VAC, 47–440 Hz input, operates with 87.5% typical efficiency, and includes short-circuit, overload, and overvoltage protection. The module is designed for free-air convection cooling and operates over an ambient temperature range of -30°C to +70°C with derating. #ACDCPowerModule #PowerSupply #PCBMount #12V #45W #UniversalInput #MeanWell #IndustrialPower

Dual Non-Inverting Open-Drain Buffer IC – Dual non-inverting buffer with open-drain outputs for logic level translation, bus interfacing, signal buffering, wired-AND logic, and embedded digital systems. Operates from a 1.65 V to 5.5 V supply and features two independent 1-bit buffer channels capable of sinking up to 32 mA per output. The open-drain outputs allow direct interfacing with multiple voltage domains using external pull-up resistors, making the device suitable for I²C buses, interrupt lines, LED driving, and mixed-voltage logic applications. Features high-speed CMOS operation, low static power consumption, 5.5 V input tolerance, and is specified for operation over a −40°C to +85°C ambient temperature range. Housed in a 6-pin SC-88 (SC-70-6 / SOT-363) surface-mount package. #onsemi #NC7WZ07P6X #LogicBuffer #OpenDrain #NonInvertingBuffer #LogicIC #LevelShifter #I2C #SignalBuffer #WiredAND #SC88 #EmbeddedSystems

Optical Sensor I2C Output Optical heart rate and SpO₂ sensor module that integrates a PIN photodiode, three programmable LED drivers, a low-noise analog front end with a 19-bit ADC, ambient light cancellation, and a 128-word FIFO for optical data acquisition. It operates from a 3.0 V to 5.5 V LED supply, supports an I²C-compatible interface, and is designed for reflective heart rate and pulse oximetry measurements in low-power wearable applications. #OpticalSensor #HeartRateSensor #SpO2Sensor #OpticalModule #BiometricSensor #I2C #AnalogDevices

Optical Sensor Through-Beam 0.197" (5mm) PCB Mount The EE-SX4081 specification defines the engineering requirements for a slot-type photomicrosensor designed for non-contact object detection and position sensing in electronic and electromechanical systems. This specification establishes the functional, electrical, mechanical, environmental, and quality requirements necessary to ensure accurate optical sensing, reliable switching performance, and long-term operational stability. The component is intended for use in industrial automation, office equipment, consumer electronics, and embedded control systems requiring precise detection of object presence, motion, or position. The integrated infrared emitter and phototransistor receiver provide dependable sensing through interruption of the optical path, enabling high-speed, contactless detection in compact system designs. Engineering Requirements The photomicrosensor shall be manufactured using qualified optoelectronic components and controlled production processes to ensure consistent sensing performance, mechanical integrity, and long service life. The optical assembly shall maintain accurate alignment between the emitter and receiver to provide stable detection characteristics throughout the specified operating conditions. Electrical characteristics shall provide reliable switching response, stable output behavior, and low power consumption while maintaining consistent sensitivity across the intended operating voltage and temperature ranges. The sensor shall exhibit reliable performance under normal ambient light conditions and shall maintain signal integrity during continuous operation. Mechanical construction shall ensure precise slot dimensions, secure mounting capability, and resistance to vibration, mechanical shock, and thermal cycling encountered during normal operation. The package shall be suitable for printed circuit board assembly and shall withstand standard soldering and handling processes without degradation. Workmanship shall be free from defects including contamination, optical misalignment, package damage, corrosion, or structural irregularities that could affect sensing accuracy or reliability. Inspection, validation, and testing shall be performed using calibrated equipment and controlled quality procedures to verify compliance with engineering requirements. Any deviation from this specification shall require formal engineering evaluation, documented technical justification, and approval through the established engineering change control process before implementation. Documentation Supporting documentation shall include engineering drawings, electrical specifications, optical performance data, qualification reports, inspection records, and revision-controlled manufacturing documentation. All documentation shall be maintained under formal configuration management and quality assurance systems to ensure complete traceability throughout the product lifecycle. Revision Control Any modification to this specification shall be processed through the formal engineering change management system. All revisions shall undergo technical review, validation, and approval before release to ensure continued compliance with design intent and applicable engineering standards. #EngineeringSpecification #Photomicrosensor #OpticalSensor #SlotSensor #IndustrialAutomation #EmbeddedSystems #Optoelectronics #QualityAssurance #EngineeringDocumentation #ElectronicComponents

Optical Sensor Ambient I2C 8-SMD Module #CommonPartsLibrary #Transducers #Optical-Sensor #Ambient-Light #IR #UV-Sensor #RPR-0521