Polymeric PTC Resettable Fuse 16V 3 A Ih Through Hole Radial, Disc # Engineering Specification ## Product Name RGEF300 ## General Description RGEF300 is a resettable polymeric positive temperature coefficient protection device designed to safeguard electronic circuits against overcurrent and fault conditions. The component is intended for use in power distribution systems, low-voltage DC rails, and electronic assemblies where temporary overload protection and automatic recovery are required. The device operates by increasing its internal resistance when subjected to excessive current or elevated temperature conditions, thereby limiting fault current and protecting downstream circuitry. Once the fault condition is removed and the device cools, it returns to a low-resistance state, allowing normal operation to resume without the need for manual replacement. RGEF300 is widely used in industrial electronics, consumer devices, automotive subsystems, communication equipment, and embedded systems where reliable overcurrent protection and system uptime are critical. Its radial-leaded configuration supports straightforward integration into through-hole PCB designs and legacy circuit architectures. The design emphasizes consistent trip behavior, stable reset characteristics, and long-term reliability under repeated fault conditions. It is suitable for applications requiring self-resetting protection elements that reduce maintenance requirements and improve system resilience. ## Functional Requirements ### Overcurrent Protection The device shall limit current flow during fault conditions by increasing resistance when exposed to excessive current. ### Automatic Reset The device shall return to a low-resistance state once normal operating conditions are restored and thermal conditions stabilize. ### Fault Isolation The device shall provide temporary isolation of downstream circuitry during overcurrent events. ### System Protection Support The component shall support use in electronic systems requiring reusable protection elements for power input and distribution paths. ## Electrical Requirements ### Normal Operation The device shall maintain low resistance under normal operating current conditions to minimize power loss. ### Trip Behavior The device shall transition to a high-resistance state when subjected to fault-level current conditions. ### Thermal Response The device shall respond to both electrical current and self-heating effects to initiate protective action. ### Recovery Characteristics The device shall restore normal conduction after fault clearance and thermal recovery. ## Mechanical Requirements ### Radial Leaded Construction The device shall be provided in a through-hole radial package suitable for PCB mounting. ### Structural Integrity The component shall maintain mechanical stability during soldering, handling, and operational thermal cycling. ### Board Integration The device shall be compatible with standard PCB layouts used in power protection circuits. ## Environmental Requirements ### Operating Conditions The device shall operate reliably in industrial, consumer, and embedded electronic environments. ### Thermal Performance The device shall tolerate repeated heating and cooling cycles associated with fault events. ### Storage and Handling The component shall maintain electrical and mechanical integrity during storage and transportation. ## Quality Requirements ### Reliability The device shall support repeated fault recovery cycles without permanent degradation under specified operating conditions. ### Verification Electrical trip behavior, resistance recovery, and thermal response shall be validated through standard qualification testing. ### Compliance The product shall conform to applicable safety and electronic component standards for resettable overcurrent protection devices. ## Documentation Requirements Technical documentation shall include application guidelines, derating considerations, PCB layout recommendations, fault behavior characteristics, and integration practices for circuit protection design. ## Classification Tags #RGEF300 #PTCResettableFuse #Polyfuse #PPTC #OvercurrentProtection #CircuitProtection #ResettableFuse #PowerProtection #FaultProtection #ThermalProtection #ElectronicComponents #ElectricalEngineering #PCBDesign #PowerDistribution #IndustrialElectronics #AutomotiveElectronics #EmbeddedSystems #CommonPartsLibrary #ComponentLibrary #EngineeringSpecification #ReliabilityEngineering #SelfResettingProtection

CAP SAFETY 2.2nF ±20% 400V 250V TH The DCF222M34Y5UQ6BL7A0 is a multilayer ceramic capacitor manufactured for general-purpose electronic filtering, bypassing, and decoupling applications. This surface-mount passive component is designed to provide stable capacitance performance in compact electronic assemblies while supporting high-density PCB layouts and automated manufacturing processes. The capacitor utilizes ceramic dielectric technology to achieve low impedance and reliable high-frequency performance. It is commonly used in power supply filtering, signal coupling, noise suppression, RF circuits, embedded systems, industrial electronics, and consumer devices. Its compact footprint and stable electrical behavior make it suitable for modern digital and analog circuit designs requiring efficient decoupling and transient response characteristics. Engineering Specification Device Type Multilayer ceramic capacitor Capacitor Technology Ceramic dielectric multilayer structure Mounting Style Surface mount technology Electrical Characteristics Stable capacitance performance for filtering and bypass applications Dielectric Characteristics Designed for general-purpose signal and power conditioning applications Frequency Performance Low impedance behavior suitable for high-frequency operation Thermal Characteristics Stable operation across standard electronic operating temperatures Mechanical Characteristics Compact SMT package optimized for automated PCB assembly Reliability Features High insulation resistance and long operational lifetime Construction Monolithic multilayer ceramic structure Applications Power supply decoupling Signal filtering Noise suppression RF circuitry Embedded systems Industrial electronics Consumer devices Communication equipment Analog and digital circuit stabilization Manufacturer Commonly associated with Murata-style MLCC component series #commonpartslibrary #ceramiccapacitor #mlcc #passivecomponents #surfaceountcomponents #powerelectronics #signalfiltering #decouplingcapacitor #electronicsdesign #embeddedhardware #analogdesign #digitalelectronics #rfdesign #industrialelectronics

IC SURGE STOPPER 2.7V~18V WSON-8-EP(2x2) TPS259530DSGT is a highly integrated eFuse (electronic fuse) from Texas Instruments designed to provide advanced circuit protection and power management for systems operating from 2.7 V to 18 V. It integrates a low-resistance MOSFET, adjustable current limiting, fast overvoltage protection, inrush current control, and thermal shutdown features, making it ideal for hot-swap, industrial, consumer electronics, storage, and adapter-powered applications. Key Features Wide input voltage range: 2.7 V to 18 V 34 mΩ typical integrated MOSFET on-resistance Adjustable current limit from 0.5 A to 4 A Fast overvoltage protection with 5 µs typical response time Adjustable undervoltage lockout (UVLO) Adjustable output slew rate (dV/dt) for inrush current control Load current monitor (ILM) output Fault indication (FLT) output Overtemperature protection (OTP) Hot-swap and hot-plug capable IEC 62368-1 certified and UL recognized Compact 8-pin WSON/DSG package Hashtags #TPS259530DSGT #TexasInstruments #eFuse #HotSwapController #CircuitProtection #PowerManagement #OvervoltageProtection #CurrentLimiting #InrushCurrentControl #IndustrialElectronics #EmbeddedSystems #HardwareDesign #ElectronicsEngineering #PowerSupplyProtection #PCBDesign

The TPS54531DDA is a high-efficiency step-down switching regulator designed for converting higher input voltages into regulated lower output voltages. It integrates a power MOSFET, control circuitry, and protection features into a compact package, enabling simplified power supply design for a wide range of industrial, consumer, communication, and embedded applications. The device utilizes current-mode control architecture to provide fast transient response, stable operation, and straightforward loop compensation. It supports a wide input voltage range and delivers efficient power conversion while minimizing external component count. Built-in protection mechanisms enhance system reliability by safeguarding against fault conditions such as overcurrent, undervoltage, and thermal overload. The TPS54531DDA is commonly used in distributed power systems, industrial controllers, networking equipment, telecommunications hardware, battery-powered devices, and embedded computing platforms requiring efficient voltage regulation. Features Integrated high-side power MOSFET High-efficiency buck regulator architecture Wide input voltage operating range Current-mode control operation Adjustable output voltage capability Fast transient response performance Internal soft-start functionality Cycle-by-cycle current limiting protection Thermal shutdown protection Undervoltage lockout protection Frequency compensation support Low standby current operation Compact surface-mount package Suitable for industrial temperature environments Electrical Characteristics Step-down DC/DC conversion topology Fixed switching frequency operation Adjustable output regulation High conversion efficiency across load conditions Stable operation with ceramic output capacitors Integrated power switch architecture Low output voltage ripple performance High load regulation accuracy Applications Industrial automation systems Embedded processors and microcontrollers Communication equipment Networking hardware Distributed power architectures Point-of-load regulators Consumer electronic products Measurement and instrumentation equipment Battery-powered systems Digital control platforms Package Information Package Type: SO PowerPAD package Surface-mount assembly compatible Thermally enhanced package construction Optimized for automated PCB manufacturing Compact footprint for space-constrained designs #commonpartslibrary #integratedcircuit #powermanagement #powersupply #buckconverter #dcdcconverter #switchingregulator #voltageregulator #embeddedsystems #industrialelectronics #powerelectronics #texasinstruments #energyefficiency #electronicsdesign #powersupplycontroller

Telecom Relay DPDT (2 Form C) Surface Mount The G6K-2F-Y DC5 specification defines the engineering requirements for a low-profile dual-pole signal relay designed for precision switching in electronic control and communication systems. This specification establishes the functional, electrical, mechanical, environmental, and quality requirements necessary to ensure reliable signal switching, low contact resistance, and long-term operational stability in compact electronic assemblies. The relay is intended for use in telecommunications equipment, instrumentation, industrial control systems, automated test equipment, and embedded electronic applications requiring high-reliability signal routing. It provides electrically isolated switching with low power consumption and stable contact performance, making it suitable for low-level signal and logic circuit applications. Engineering Requirements The relay shall be manufactured using qualified electromechanical components and controlled production processes to ensure consistent switching characteristics, mechanical durability, and long service life. The internal contact system shall provide reliable electrical continuity and repeatable switching performance throughout the specified operational life. Electrical characteristics shall ensure stable contact resistance, low coil power consumption, high insulation resistance, and reliable dielectric isolation between coil and contact circuits. The relay shall maintain dependable switching performance under specified voltage, current, temperature, and environmental operating conditions. Mechanical construction shall provide accurate contact alignment, secure enclosure integrity, and resistance to vibration, shock, and thermal cycling. The package shall be suitable for printed circuit board mounting and compatible with standard electronic assembly and soldering processes without degradation of performance. Workmanship shall be free from defects including contamination, corrosion, mechanical deformation, contact misalignment, or structural irregularities that could adversely affect electrical or mechanical reliability. Inspection, validation, and testing shall be conducted using calibrated equipment and controlled quality procedures to verify compliance with all applicable engineering and manufacturing 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 performance specifications, qualification reports, inspection records, material declarations, and revision-controlled manufacturing documentation. All documentation shall be maintained under formal configuration management and quality assurance systems to ensure complete product traceability. Revision Control Any modification to this specification shall be managed through the formal engineering change management process. All revisions shall undergo technical review, validation, and approval before release to ensure continued compliance with design intent and applicable engineering standards. #EngineeringSpecification #SignalRelay #ElectromechanicalRelay #ElectronicSwitching #IndustrialElectronics #EmbeddedSystems #Telecommunications #QualityAssurance #EngineeringDocumentation #ElectronicComponents

The 24T 10A250V is an electromechanical switch component commonly used for AC power control, appliance switching, industrial equipment interfaces, and general-purpose electrical control applications. This device is designed to handle moderate current and voltage loads while providing reliable manual switching performance in consumer and industrial electronic systems. The switch is typically implemented as a rocker, toggle, or push-type power switch depending on the manufacturer-specific configuration. It is engineered to provide stable electrical contact operation, mechanical durability, and long operational service life under repeated switching cycles. The component is commonly used in AC mains-powered equipment, power distribution systems, control panels, laboratory instruments, and embedded electronic hardware requiring user-accessible power control. Its robust contact structure and insulated housing design support safe operation in electrically demanding environments while simplifying panel integration and wiring assembly processes. Engineering Specification Device Type Electromechanical power switch Switching Function Manual AC power switching control Electrical Rating Suitable for moderate AC voltage and current operation Contact Characteristics High-reliability conductive switching contacts Mounting Style Panel mount or PCB mount depending on manufacturer configuration Mechanical Operation Manual actuator-based switching mechanism Housing Material Flame-retardant insulated enclosure structure Contact Material Durable conductive alloy contact system Reliability Features Long mechanical and electrical operational lifespan Safety Characteristics Designed for safe AC mains switching applications Environmental Characteristics Suitable for consumer and industrial operating environments Applications AC power control Industrial equipment Consumer appliances Embedded electronics Power distribution systems Laboratory instrumentation Control panels Electrical equipment Power switching interfaces General-purpose electronic systems Manufacturer Commonly associated with generic industrial switch manufacturers #commonpartslibrary #powerswitch #electromechanical #acswitch #powerelectronics #industrialelectronics #controlsystems #embeddedhardware #electronicsdesign #powermanagement #panelmount #electricalswitch #consumerelectronics #powersystems #electromechanicalcomponents

Flat Vibration Motor 3V Motors - AC, DC RoHS LCM1027A2445F is a compact electromechanical buzzer component designed for audible notification and alert functions in embedded electronic systems. The device is engineered to generate stable acoustic output with low power consumption, making it suitable for portable electronics, industrial control equipment, alarm systems, and user interface applications requiring reliable sound indication. This buzzer is commonly integrated into embedded hardware platforms for status indication, warning alerts, keypad feedback, and operational notifications. Its compact package and surface-mount compatibility enable efficient integration into space-constrained PCB layouts while supporting automated assembly processes. The LCM1027A2445F is optimized for dependable acoustic performance and long operational life across a wide range of environmental conditions. It is widely used in consumer electronics, smart devices, communication equipment, medical instruments, and battery-powered embedded applications requiring compact and efficient audible signaling functionality. #commonpartslibrary #buzzer #audioindicator #embeddedhardware #electronicscomponents #acousticdevice #surfacemountdevice #portableelectronics #industrialelectronics #alarmsystem

The NTC5D-15 is a negative temperature coefficient thermistor designed for inrush current limiting and surge current suppression in power electronic circuits. It provides high resistance at ambient temperature to restrict excessive startup current and gradually decreases in resistance as it self-heats during operation, allowing normal current flow with minimal power loss. This component is commonly used in switched-mode power supplies, battery chargers, motor drives, lighting equipment, consumer electronics, industrial control systems, and other AC or DC power applications requiring reliable inrush current protection. Key Features Negative temperature coefficient thermistor technology Designed for inrush current limiting applications High surge current handling capability Low resistance during normal operating conditions Fast thermal response characteristics Stable electrical performance over repeated power cycles High reliability and long operational life Radial leaded through-hole package Suitable for AC and DC power systems Helps protect power supplies, rectifiers, capacitors, and switching devices from excessive startup current Electrical Characteristics NTC thermistor element Inrush current limiter function Low steady-state resistance after self-heating High energy absorption capability Wide operating temperature range Stable resistance-temperature behavior Suitable for continuous current operation within specified ratings Applications Switched-mode power supplies AC-DC converters Battery charging systems LED drivers and lighting equipment Industrial automation systems Motor control circuits Consumer electronics Home appliances Telecommunications equipment Power distribution modules Mechanical Characteristics Radial lead configuration Through-hole mounting Epoxy-coated thermistor body Compact package size for PCB installation RoHS-compliant construction depending on manufacturer version #commonpartslibrary #passivecomponent #thermistor #ntc #inrushcurrentlimiter #surgeprotection #powermanagement #powersupply #circuitprotection #industrialelectronics #powerelectronics #electroniccomponent

2 mOhms ±1% 3W Chip Resistor 2512 (6432 Metric) Current Sense, Moisture Resistant, Non-Inductive Metal Element The HoLLR2512-3W-2mR-1% is a low-resistance current sensing resistor designed for high-power applications requiring accurate current measurement and efficient power dissipation. Constructed in a robust metal element configuration, this resistor provides excellent thermal stability, low temperature coefficient, and high pulse handling capability. Its ultra-low resistance value minimizes power losses while enabling precise current monitoring in power management, battery systems, motor control circuits, industrial equipment, automotive electronics, and high-current DC-DC converter applications. Features Metal element current sense resistor technology Ultra-low resistance for minimal insertion loss High power dissipation capability Tight resistance tolerance for accurate current measurement Excellent long-term stability and reliability Low inductance construction High surge and pulse current handling capability Suitable for automated SMT assembly processes RoHS compliant construction Optimized for power management and protection circuits Electrical Characteristics Resistance value: 2 mΩ Resistance tolerance: ±1% Power rating: 3 W Package size: 2512 surface-mount package Low temperature coefficient of resistance High current carrying capability Low thermal EMF characteristics Applications Current sensing circuits Battery management systems Power supplies DC-DC converters Motor drive controllers Electric vehicle electronics Industrial automation equipment Overcurrent protection systems Energy storage systems High-current monitoring applications Mechanical Characteristics Surface-mount package Compact 2512 footprint Metal strip resistive element High thermal conductivity design Compatible with standard reflow soldering processes #commonpartslibrary #passivecomponents #resistor #currentsense #shuntresistor #powermanagement #powersupply #batterymanagement #motorcontrol #industrialelectronics #automotiveelectronics #highcurrent #smd #electronicsdesign #circuitprotection

AC-DC Controllers & Regulators TPS4H160AQPWPRQ1 HTSSOP-28_L9.7-W4.4-P0.65-LS6.4-BL-EP LCSC Part Number: C485918 TPS4H160-Q1 or equivalent 4-channel smart high-side switch TPS4H160-Q1 – automotive-grade quad-channel smart high-side switch with four integrated 160 mΩ NMOS power switches. Designed for controlling resistive, capacitive, and inductive loads in 12 V, 24 V, and 48 V automotive systems. Provides comprehensive diagnostics, programmable current limiting, current sensing, thermal shutdown, short-circuit protection, open-load detection, and loss-of-ground/loss-of-battery protection. Functional safety capable and AEC-Q100 qualified for safety-critical automotive applications such as body control modules, ADAS, displays, and power distribution systems. Search Keywords: TPS4H160-Q1, TPS4H160, Automotive High Side Switch, Smart High Side Switch, Quad Channel High Side Driver, Automotive Power Switch, AEC-Q100 Switch, Current Sense Switch, Protected Power Switch, Load Driver IC, Automotive Load Switch, NMOS High Side Driver, Body Control Module Driver, ADAS Power Distribution, Diagnostic Power Switch, Functional Safety Switch, Short Circuit Protected Switch, Inductive Load Driver, Automotive Power Management, Texas Instruments TPS4H160 Hashtags: #TPS4H160Q1 #TPS4H160 #TexasInstruments #HighSideSwitch #SmartSwitch #AutomotiveElectronics #AECQ100 #FunctionalSafety #CurrentSense #LoadDriver #PowerDistribution #BodyControlModule #ADAS #AutomotivePower #ProtectedSwitch #IndustrialElectronics #EmbeddedSystems #ElectronicsDesign #PCBDesign #AutomotiveDesign