Switches
A switch is a device that allows electricity to flow through a circuit by completing or interrupting the connection. It is a common component in electrical and electronic systems and is used in a variety of applications, such as controlling the flow of electricity in a circuit, turning devices on and off, and routing electrical signals. One of the primary use cases for switches is to control the flow of electricity in a circuit. This can be done by manually flipping the switch or by using a control mechanism, such as a timer or a sensor. Another common use for switches is to turn devices on and off. This can be done using a switch that is built into the device or by using a separate switch that is connected to the device. In addition to these basic use cases, switches can also be used to route electrical signals. For example, a switch can be used to route a signal from one device to another or to direct a signal to a specific circuit or component. If you're looking for a wide variety of switches for your projects, flux.ai has the world's largest community-driven public library of them. The library includes footprints, symbols, datasheets, and simulation models for a wide range of switches, making it easy to find the right switch for your needs.
SMBJ14A-HF
23.2VC Clamp 25.9A@10/1000us Ipp TVS DIODE SMB(DO-214AA) The SMBJ14A-HF is a unidirectional Transient Voltage Suppressor (TVS) diode designed to protect sensitive electronic circuits from high-voltage transient events such as ESD (electrostatic discharge), lightning-induced surges, and switching spikes. It is part of the SMBJ series, commonly used for general-purpose surge protection in compact surface-mount designs. It is housed in a DO-214AA (SMB) surface-mount package, making it suitable for automated PCB assembly and space-constrained applications. Key Features Working reverse standoff voltage (VRWM): 14 V Breakdown voltage: ~15.6 V to 17.2 V Clamping voltage: ~23.2 V at peak pulse current Peak pulse power: 600 W (10/1000 µs waveform) Peak pulse current: ~25.9 A Unidirectional TVS diode (single channel) Fast response to transient overvoltage events (nanosecond range) Low leakage current (typically ~1 µA) Operating temperature range: −55 °C to +150 °C Surface-mount DO-214AA (SMB) package RoHS compliant, HF (halogen-free) version (“-HF”) #CommonPartsLibrary #Diode
366 Uses0 StarsTPS54531DDA
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
34 Uses0 StarsSMBJ6.8CA
The SMBJ6.8CA is a bidirectional Transient Voltage Suppression (TVS) diode designed to protect sensitive electronic circuits from voltage transients caused by electrostatic discharge, lightning-induced surges, inductive load switching, and other transient events. It is commonly used in power supplies, communication interfaces, industrial control systems, automotive electronics, and consumer devices requiring robust overvoltage protection. The device utilizes avalanche breakdown technology to rapidly clamp transient voltages to safe levels, helping prevent damage to downstream components. Its bidirectional configuration makes it suitable for protecting AC lines and signal lines where voltage polarity may reverse. The SMB package provides a compact surface-mount solution with high surge-handling capability and excellent reliability for demanding environments. Features Bidirectional transient voltage suppression diode Fast response time to transient events High peak pulse power dissipation capability Low incremental surge resistance Excellent clamping performance Surface-mount SMB package Protection against ESD and lightning-induced surges Suitable for AC and bidirectional signal line protection RoHS-compliant and halogen-free options available from various manufacturers High reliability and long operational life Electrical Characteristics Reverse standoff voltage optimized for low-voltage applications Avalanche breakdown protection mechanism High peak surge current capability Low leakage current during normal operation Bidirectional voltage clamping characteristics Designed for transient suppression in accordance with industry surge standards Applications Power input protection Communication interfaces Industrial automation equipment Automotive electronic modules Consumer electronics Data and signal line protection Telecom equipment Embedded control systems Sensor interface protection Package Information Package Type: SMB (DO-214AA) Surface-mount technology Compact footprint for PCB integration Suitable for automated assembly processes #commonpartslibrary #semiconductor #tvsdiode #esdprotection #surgeprotection #circuitprotection #transientvoltagesuppressor #powerprotection #electronics #surfaceMountDevice #automotiveelectronics #industrialelectronics
97 Uses0 StarsB340A
40V Independent Type 550mV@3A 3A SMA(DO-214AC) B340A is a surface-mount Schottky Barrier Rectifier diode designed for high-efficiency power conversion applications. It is commonly used in DC-DC converters, switching power supplies, freewheeling circuits, and reverse-polarity protection due to its low forward voltage drop and fast switching characteristics. The device is typically rated for 3 A average forward current and 40 V reverse voltage in an SMA package. Key Features Schottky barrier technology for low forward voltage drop 3 A average rectified forward current 40 V peak repetitive reverse voltage (VRRM) Low power loss and high efficiency Fast switching performance suitable for high-frequency circuits Guard ring construction for improved transient and surge protection High surge current capability (up to 80–100 A peak, depending on manufacturer specification) Surface-mount SMA package for compact PCB designs RoHS-compliant and lead-free options available Suitable for DC-DC converters, freewheeling diodes, inverters, and polarity protection circuits #CommonPartsLibrary #Diode
76 Uses0 StarsTPS62172DSGT
Buck Switching Regulator IC Positive Fixed 3.3V 1 Output 500mA 8-WFDFN Exposed Pad The TPS6217x device family are easy to use synchronous step-down DC-DC converters optimized for applications with high power density. A high switching frequency of typically 2.25 MHz allows the use of small inductors and provides fast transient response as well as high output voltage accuracy by utilization of the DCS-Control™ topology. With its wide operating input voltage range of 3 V to 17 V, the devices are ideally suited for systems powered from either a Li-Ion or other battery as well as from 12-V intermediate power rails. It supports up to 0.5-A continuous output current at output voltages between 0.9 V and 6 V (with 100% duty cycle mode). Power sequencing is also possible by configuring the enable and open-drain power good pins. In power save mode, the devices show quiescent current of about 17 μA from VIN. Power save mode, entered automatically and seamlessly if the load is small, maintains high efficiency over the entire load range. In shutdown mode, the device is turned off and shutdown current consumption is less than 2 μA. The device, available in adjustable and fixed output voltage versions, is packaged in a 2-mm × 2-mm 8- pin WSON package (DSG). • DCS-Control™ Topology • Input Voltage Range from 3 V to 17 V • Up to 500-mA Output Current • Adjustable Output Voltage from 0.9 V to 6 V • Fixed Output Voltage Versions • Seamless Power Save Mode Transition • Typically 17-µA Quiescent Current • Power Good Output • 100% Duty Cycle Mode • Short Circuit Protection • Over Temperature Protection • Pin to Pin Compatible with TPS62160 and TPS62125 • Available in a 2-mm × 2-mm 8-Pin WSON Package • Create a Custom Design using the TPS62170 with the WEBENCH® Power Designer #CommonPartsLibrary #IntegratedCircuit #PowerManagement
69 Uses0 StarsTPS61023DRLR
Boost Switching Regulator IC Positive Adjustable 2.2V 1 Output 3A SOT-563, SOT-666 TPS61023 device is a synchronous boost converter with 0.5-V ultra-low input voltage. The device provides a power supply solution for portable equipment and smart devices powered by various batteries and super capacitors. The TPS61023 has typical 3.7-A valley switch current limit over full temperature range. With a wide input voltage range of 0.5 V to 5.5 V, the TPS61023 supports super capacitor backup power applications, which may deeply discharge the super capacitor. The TPS61023 operates at 1-MHz switching frequency when the input voltage is above 1.5 V. The switching frequency decreases gradually to 0.5 MHz when the input voltage is below 1.5 V down to 1 V. The TPS61023 enters power-save mode at light load condition to maintain high efficiency over the entire load current range. The TPS61023 consumes a 20- µA quiescent current from VOUT in light load condition. During shutdown, the TPS61023 is completely disconnected from the input power and only consumes a 0.1-µA current to achieve long battery life. The TPS61023 has 5.7-V output overvoltage protection, output short circuit protection, and thermal shutdown protection. • Input voltage range: 0.5 V to 5.5 V • 1.8-V Minimum input voltage for start-up • Output voltage setting range: 2.2 V to 5.5 V • Two 47-mΩ (LS) / 68-mΩ (HS) MOSFETs • 3.7-A Valley switching current limit • 94% Efficiency at VIN = 3.6 V, VOUT = 5 V and IOUT = 1.5 A • 1-MHz Switching frequency when VIN > 1.5 V and 0.5-MHz switching frequency when VIN < 1 V • Typical 0.1-µA shutdown current from VIN and SW • ±2.5% Reference voltage accuracy over –40°C to +125°C • Auto PFM operation mode at light load • Pass-through mode when VIN > VOUT • True disconnection between input and output during shutdown • Output overvoltage and thermal shutdown protections • Output short-circuit protection • 1.2-mm × 1.6-mm SOT563 (DRL) 6-pin package
160 Uses0 StarsBQ25895MRTWR
I²C Controlled Single Cell Fast Charger with MaxCharge™ Technology for High Input Voltage and Adjustable Voltage 3.1A Boost Operation The bq25895M is a highly-integrated 5-A switchmode battery charge management and system power path management device for single cell Li-Ion and Lipolymer battery. The devices support high input voltage fast charging. The low impedance power path optimizes switch-mode operation efficiency, reduces battery charging time and extends battery life during discharging phase. The I 2C Serial interface with charging and system settings makes the device a truly flexible solution. • High Efficiency 1.5-MHz Switch Mode Buck Charge – 93% Charge Efficiency at 2 A and 91% Charge Efficiency at 3 A Charge Current – Optimize for High Voltage Input (9 V / 12 V) – Low Power PFM mode for Light Load Operations • Boost Mode Operation with Adjustable Output from 4.5 V to 5.5 V – Selectable 500-KHz / 1.5-MHz Boost Converter with up-to 3.1 A Output – 93% Boost Efficiency at 5 V at 1 A Output – Support down-to 2.5V Battery – Support PWM only or PFM/PWM control for Light Load Efficiency • Integrated Control to Switch Between Charge and Boost Mode • Single Input to Support USB Input and Adjustable High Voltage Adapters – Support 3.9-V to 14-V Input Voltage Range – Input Current Limit (100 mA to 3.25 A with 50- mA resolution) to Support USB2.0, USB3.0 standard and High Voltage Adapters – Maximum Power Tracking by Input Voltage Limit up-to 14V for Wide Range of Adapters – Auto Detect USB SDP, CDP, DCP, and Nonstandard Adapters • Input Current Optimizer (ICO) to Maximize Input Power without Overloading Adapters • Resistance Compensation (IRCOMP) from Charger Output to Cell Terminal • Highest Battery Discharge Efficiency with 11-mΩ Battery Discharge MOSFET up to 9 A • Integrated ADC for System Monitor (Voltage, Temperature, Charge Current) • BATFET Control to Support Ship Mode, Wake Up, and Full System Reset • Flexible Autonomous and I 2C Mode for Optimal System Performance • High Integration includes all MOSFETs, Current Sensing and Loop Compensation • 12-µA Low Battery Leakage Current to Support Ship Mode • High Accuracy – ±0.5% Charge Voltage Regulation – ±5% Charge Current Regulation – ±7.5% Input Current Regulation #CommonPartsLibrary #IntegratedCircuit #PowerManagement
101 Uses0 StarsSI2300
The SI2300 is a N-channel enhancement-mode MOSFET designed for efficient switching and power management applications. Fabricated using advanced trench MOS technology, it delivers low on-state resistance, fast switching performance, and high current handling capability within a compact surface-mount package. The device is widely used in load switching, battery-powered equipment, DC-DC converters, motor control circuits, power distribution systems, and general-purpose switching applications where efficiency and space optimization are critical. Features N-channel enhancement-mode MOSFET Low on-state resistance for reduced conduction losses Fast switching characteristics Low gate charge for efficient drive operation Compact surface-mount package High current carrying capability Low power dissipation design Optimized for battery-operated systems Suitable for high-speed switching applications RoHS-compliant and lead-free construction Applications Power management circuits Load switching systems Battery protection modules Portable electronic devices DC-DC converter circuits Motor drive applications Power distribution networks Embedded control systems Consumer electronics Industrial automation equipment Electrical Characteristics Low drain-to-source on-resistance High drain current capability Low gate threshold voltage Fast turn-on and turn-off response Low gate capacitance High switching efficiency Low leakage current characteristics Enhanced thermal performance Stable operation across specified temperature ranges Reliable avalanche and transient performance Mechanical Characteristics Surface-mount package construction Compact footprint for high-density PCB layouts Suitable for automated assembly processes Compatible with standard reflow soldering methods Tape-and-reel packaging availability Robust package integrity for production environments Environmental Characteristics Industrial-grade reliability Resistance to mechanical shock and vibration within specification limits Moisture-resistant package design Suitable for operation in demanding electronic environments Compliant with RoHS and environmental regulations Long operational lifetime under recommended operating conditions #commonpartslibrary #mosfet #nchannelmosfet #powermanagement #powerswitching #semiconductor #transistor #loadswitch #dcdcconverter #batteryprotection #embeddedsystems #industrialelectronics #consumerelectronics #smtcomponent #electronicsdesign
326 Uses0 StarsCPDT-12V
The CPDT-12V is an electromechanical relay designed for switching and control applications in industrial, automotive, consumer, and embedded electronic systems. Operating from a nominal twelve-volt coil supply, this relay provides reliable isolation between low-power control circuitry and higher-power loads. Its compact construction, robust contact mechanism, and dependable switching performance make it suitable for power distribution, automation controls, battery-powered equipment, protection circuits, and general-purpose switching applications. The relay incorporates a magnetic coil and mechanical contact assembly that enables safe control of AC or DC loads while maintaining electrical isolation between the control and load sides. Its durable design supports repeated switching operations and long service life in demanding environments. Features Electromechanical relay with nominal twelve-volt coil operation Provides galvanic isolation between control and load circuits Suitable for AC and DC load switching Reliable contact performance for power and signal applications Compact package for PCB mounting Low control power requirement Durable contact system for long operational life Fast switching response characteristics Compatible with industrial and embedded control systems Designed for automation, protection, and power management circuits Applications Industrial automation equipment Power control modules Battery-powered systems Automotive electronics Home appliance control circuits Smart energy management devices Security and alarm systems Embedded controller interfaces Motor and actuator switching General-purpose load control applications Electrical Characteristics Nominal coil voltage: twelve volts DC Electromagnetic actuation mechanism Isolated contact structure Designed for low-voltage control interfaces Supports switching of resistive and inductive loads Stable operation across specified environmental conditions Mechanical Characteristics PCB-mount relay construction Compact footprint for space-constrained designs Durable housing for electrical and mechanical protection Secure terminal arrangement for reliable soldering and connection Engineered for repeated switching cycles Environmental Characteristics Suitable for indoor industrial and commercial environments Resistant to normal operating vibration and mechanical shock conditions Designed for reliable operation across standard electronic equipment temperature ranges #commonpartslibrary #relay #electromechanicalrelay #switchingdevice #powermanagement #industrialautomation #controlsystems #pcbmount #automationelectronics #circuitprotection #embeddedsystems #industrialelectronics
55 Uses0 StarsNTC5D-15
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
46 Uses0 Stars