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.
TPS259531DSGR
Isolated Module DC DC Converter 1 Output 5V 200mA 4.5V - 5.5V Input The TPS259531DSGR is an integrated eFuse and power protection device manufactured by Texas Instruments. This device is designed to provide advanced protection and power management for low-voltage DC power rails in embedded and industrial electronic systems. It integrates multiple protection features including overcurrent protection, overvoltage protection, inrush current control, thermal shutdown, and short-circuit protection within a compact surface-mount package. The device is optimized for hot-swap applications, USB power distribution, industrial control systems, communication equipment, and power sequencing architectures. Its programmable protection thresholds and controlled startup behavior help improve system reliability while protecting sensitive downstream circuitry from abnormal operating conditions. The TPS259531DSGR is commonly used in power distribution networks requiring intelligent fault management and robust circuit protection. Engineering Specification Device Type Integrated eFuse and power protection IC Protection Functions Overcurrent protection Short-circuit protection Overvoltage protection Thermal shutdown Inrush current control Fault monitoring Input Voltage Characteristics Designed for low-voltage DC power rail protection applications Current Management Programmable current limiting and controlled load startup Power Switching Technology Integrated low-resistance MOSFET switching element Fault Handling Automatic fault response and protection isolation Startup Characteristics Adjustable soft-start and inrush current limiting capability Thermal Characteristics Integrated thermal protection with shutdown functionality Package Type WSON surface-mount package Mounting Style Surface mount technology System Integration Features Hot-swap support and power sequencing compatibility Applications USB power distribution Industrial automation Embedded systems Hot-swap systems Communication equipment Power rail protection Server and storage systems Portable electronics Power management architectures Manufacturer Texas Instruments #commonpartslibrary #efuse #powerprotection #powermanagement #texasinstruments #hotswapcontroller #circuitprotection #embeddedhardware #powerelectronics #powersupply #industrialelectronics #surfaceountcomponents #electronicsdesign #powerdistribution #faultprotection
48 Uses0 StarsIRLZ44ZPBF
N-Channel 55 V 51A (Tc) 80W (Tc) Through Hole TO-220AB The IRLZ44ZPBF is a logic-level N-channel power MOSFET manufactured by Infineon Technologies under the International Rectifier product family. This device is optimized for low-voltage switching applications and is designed to provide high current handling capability with low on-state resistance. Its logic-level gate drive characteristic allows efficient operation directly from low-voltage microcontrollers and digital control circuits without requiring specialized gate drivers. The MOSFET is widely used in power management systems, motor control circuits, DC-DC converters, battery-powered devices, switching regulators, LED drivers, and general-purpose high-current switching applications. The device features fast switching performance, rugged avalanche characteristics, and low conduction losses, making it suitable for efficient power conversion and industrial electronic designs. Engineering Specification Device Type N-channel logic-level power MOSFET Transistor Technology Enhancement-mode HEXFET power MOS technology Channel Configuration Single N-channel Gate Drive Compatibility Logic-level gate operation compatible with low-voltage control systems Drain-to-Source Characteristics Low drain-to-source on-resistance for reduced conduction losses Switching Performance Fast switching capability for high-efficiency power applications Power Dissipation Designed for high-current and high-power switching operation Package Type TO-220 through-hole package Mounting Style Through-hole mounting Thermal Characteristics Optimized thermal performance for heatsink attachment and power dissipation Protection Features Rugged avalanche-rated structure for improved reliability Efficiency Features Low gate charge and low conduction losses Applications Motor drivers PWM switching circuits DC-DC converters Battery-powered electronics LED lighting control Power management systems Load switching Industrial automation Embedded power control High-current switching circuits Manufacturer Infineon Technologies / International Rectifier #commonpartslibrary #mosfet #powermosfet #nchannelmosfet #logiclevelmosfet #powerelectronics #switchingdevices #motorcontrol #dcdcconverter #embeddedhardware #powermanagement #electronicsdesign #throughholecomponents #infineon #internationalrectifier
68 Uses0 StarsSN74HC14APWR
Inverter IC 6 Channel Schmitt Trigger 14-TSSOP The SN74HC14APWR is a high-speed CMOS hex Schmitt-trigger inverter manufactured by Texas Instruments. This device integrates six independent inverting Schmitt-trigger gates designed to provide clean digital signal transitions from slow-rising or noisy input signals. It is commonly used for waveform shaping, signal conditioning, switch debouncing, pulse generation, and oscillator circuits in embedded systems and digital electronics. The device operates over a wide supply voltage range and offers low power consumption with high noise immunity characteristics. The Schmitt-trigger input architecture provides hysteresis, improving signal stability in noisy environments and ensuring reliable logic switching performance. The SN74HC14APWR is widely used in microcontroller interfaces, communication systems, industrial electronics, consumer devices, and general-purpose digital logic applications. Engineering Specification Device Type Hex Schmitt-Trigger Inverter Logic Function Inverting Schmitt-trigger gate Number of Channels Six independent inverter gates Logic Family High-Speed CMOS (HC) Supply Voltage Range Compatible with standard CMOS voltage levels Input Characteristics Schmitt-trigger inputs with hysteresis for noise immunity Output Characteristics CMOS push-pull outputs capable of driving standard digital loads Propagation Delay High-speed switching performance suitable for digital timing applications Power Consumption Low static and dynamic power consumption Noise Immunity High noise margin due to Schmitt-trigger input structure Operating Temperature Range Industrial operating temperature capability Package Type TSSOP surface-mount package Mounting Type Surface mount technology Applications Signal conditioning Switch debouncing Clock shaping Oscillator circuits Pulse generation Microcontroller interfacing Digital waveform cleanup Industrial control systems Manufacturer Texas Instruments #commonpartslibrary #integratedcircuit #logicic #schmitttrigger #hexinverter #digitalelectronics #embeddedhardware #signalconditioning #texasinstruments #cmoslogic #surfaceountcomponents #electronicsdesign
46 Uses0 StarsBZ-C0805-P2-E1
BZ-C0805-P2-E1 is a surface-mount ferrite bead designed for electromagnetic interference suppression and power line noise filtering in compact electronic systems. The component provides high impedance at high frequencies while maintaining low DC resistance, enabling effective attenuation of unwanted noise in power and signal lines without significantly affecting normal circuit operation. This ferrite bead is commonly used in embedded systems, switching power supplies, RF circuits, communication devices, consumer electronics, and industrial control equipment to improve electromagnetic compatibility and reduce conducted noise emissions. Its compact surface-mount package supports high-density PCB layouts and automated assembly processes for modern electronic manufacturing. The BZ-C0805-P2-E1 is optimized for stable filtering performance across a broad frequency range and is suitable for applications requiring signal integrity enhancement, noise isolation, and power rail stabilization. Its robust ceramic construction ensures dependable operation in portable and industrial electronic environments. #commonpartslibrary #ferritebead #emifilter #noisefilter #passivecomponents #embeddedhardware #electronicscomponents #powermanagement #surfacemountdevice #signalintegrity
108 Uses0 StarsBS-11-B2CA001
BS-11-B2CA001 is a tactile pushbutton switch designed for user input and control interface applications in embedded and electronic systems. The switch features a compact mechanical structure optimized for reliable actuation, consistent tactile feedback, and long operational life in consumer, industrial, and portable electronic devices. This component is commonly used for power control, menu navigation, reset functions, mode selection, and general-purpose human-machine interface input in compact electronic assemblies. Its surface-mount configuration supports automated PCB assembly and enables integration into space-constrained product designs while maintaining dependable switching performance. The BS-11-B2CA001 is engineered to provide stable contact operation with low contact resistance and durable mechanical reliability under repeated actuation cycles. It is suitable for applications including handheld electronics, wearable devices, industrial control panels, communication equipment, development boards, and embedded user interface systems. #commonpartslibrary #tactileswitch #pushbutton #switch #embeddedhardware #electronicscomponents #humanmachineinterface #surfacemountdevice #industrialelectronics #portableelectronics
50 Uses0 StarsAP63205WU-7
3.8V to 32V Input, 2A Low Quiescent Current Synchronous Buck Converter with Enhanced EMI Suppression The AP63200/AP63201/AP63203/AP63205 is a 2A, synchronous buck converter with a wide input voltage range of 3.8V to 32V and fully integrates a 125mΩ high-side power MOSFET and a 68mΩ low-side power MOSFET to provide high-efficiency step-down DC/DC conversion. The AP63200/AP63201/AP63203/AP63205 device is easily used by minimizing the external component count due to its adoption of peak current mode control along with its integrated compensation network. The AP63200/AP63201/AP63203/AP63205 has optimized designs for Electromagnetic Interference (EMI) reduction. The converter features Frequency Spread Spectrum (FSS) with a switching frequency jitter of ±6%, which reduces EMI by not allowing emitted energy to stay in any one frequency for a significant period of time. It also has a proprietary gate driver scheme to resist switching node ringing without sacrificing MOSFET turn-on and turn-off times, which further erases highfrequency radiated EMI noise caused by MOSFET switching. The device is available in a low-profile, TSOT26 package • VIN 3.8V to 32V • 2A Continuous Output Current • 0.8V ±1% Reference Voltage • 22µA Ultralow Quiescent Current • Switching Frequency o 500kHz: AP63200 and AP63201 o 1.1MHz: AP63203 and AP63205 • Pulse Width Modulation (PWM) Regardless of Output Load o AP63201 • Supports Pulse Frequency Modulation (PFM) o AP63200, AP63203, and AP63205 o Up to 80% Efficiency at 1mA Light Load o Up to 88% Efficiency at 5mA Light Load • Fixed Output Voltage o 3.3V: AP63203 o 5.0V: AP63205 • Proprietary Gate Driver Design for Best EMI Reduction • Frequency Spread Spectrum (FSS) to Reduce EMI • Precision Enable Threshold to Adjust UVLO • Protection Circuitry o Overvoltage Protection o Cycle-by-Cycle Peak Current Limit o Thermal Shutdown #CommonPartsLibrary #IntegratedCircuit #PowerManagement
128 Uses0 StarsTPS62133RGTT
Buck Switching Regulator IC Positive Fixed 5V 1 Output 3A 16-VFQFN Exposed Pad TPS62133RGTT is a synchronous step-down DC-DC buck converter from Texas Instruments designed for high-efficiency power regulation in compact embedded and battery-powered applications. It integrates high-side and low-side MOSFETs and operates with a fixed switching frequency optimized for low EMI and minimal external component count. The device supports wide input voltage operation and delivers stable regulated output voltage with excellent transient response and high conversion efficiency across varying load conditions. This regulator is commonly used in portable electronics, industrial controllers, wireless communication modules, sensor systems, and low-power embedded designs where compact PCB footprint and efficient power conversion are critical. The integrated soft-start, thermal shutdown, overcurrent protection, and power-good monitoring features improve system reliability and simplify power supply implementation. The TPS62133RGTT is housed in a compact QFN package suitable for space-constrained designs and supports operation with ceramic input and output capacitors for improved stability and reduced BOM size. #commonpartslibrary #powermanagement #buckconverter #dcdcconverter #texasinstruments #powersupply #embeddedhardware #lowpowerdesign #industrialelectronics #portableelectronics
58 Uses0 StarsSS54
DIODE SCHOTTKY 40V SMA(DO-214AC) The SS54 is a surface-mount Schottky barrier rectifier diode commonly used in power management and protection circuits. It is designed for high-speed switching applications and offers low forward voltage drop for improved efficiency in low-voltage systems. The device is widely used in DC-DC converters, reverse polarity protection, freewheeling circuits, and switching power supplies. Key Features Schottky barrier rectifier technology Maximum reverse voltage: 40 V Average forward current: 5 A Low forward voltage drop (typically around 0.55 V) High surge current capability Fast switching speed Surface-mount package (commonly DO-214AB / SMC) Low power loss and high efficiency Suitable for high-frequency applications Guard ring protection for improved reliability RoHS compliant versions available from many manufacturers Typical Applications Switching power supplies DC-DC buck or boost converters Reverse polarity protection Freewheeling / flyback diode applications Battery-powered devices LED drivers Power OR-ing circuits #CommonPartsLibrary #Diode
423 Uses0 StarsULN2803ADW
Bipolar (BJT) Transistor Array 8 NPN Darlington 50V 500mA Surface Mount 18-SOIC The ULN2803ADW is a high-voltage, high-current Darlington transistor array designed for interfacing low-level digital logic circuits with high-power loads. The device integrates eight NPN Darlington pairs with common-emitter outputs and suppression diodes for inductive load driving. It is commonly used in relay drivers, LED matrix control, solenoid actuation, motor drivers, lamp control, and industrial automation interfaces. The integrated clamp diodes enable direct driving of inductive loads without requiring additional external protection circuitry. The input stage is compatible with standard TTL and CMOS logic levels, making the device suitable for microcontroller, FPGA, and processor-based systems. The ULN2803ADW provides compact multi-channel switching capability in a wide-body SOIC surface-mount package optimized for automated assembly and high-density PCB layouts. Key Features Eight-channel NPN Darlington transistor array High-current sink driver outputs Integrated flyback suppression diodes TTL and CMOS compatible inputs Open-collector outputs Suitable for inductive and resistive loads High output voltage capability Parallel output operation supported for increased current handling Wide operating voltage range Surface-mount SOIC wide-body package Industrial and embedded control application support Electrical Characteristics Darlington transistor output configuration High DC current gain Low input current requirement Common-cathode clamp diode structure Open-collector output topology Logic-level input compatibility High-voltage output tolerance Multi-channel simultaneous switching support Applications Relay and solenoid drivers Stepper motor interfaces LED and lamp driving Industrial automation systems PLC output stages Embedded control systems Printer and actuator control Automotive electronics Logic buffer and level shifting applications Package Information Package Type: SOIC Wide Body Mounting Type: Surface Mount Multi-pin integrated driver package RoHS compliant options available #commonpartslibrary #integratedcircuit #driveric #darlingtonarray #powermanagement #industrialelectronics #embeddedhardware #relaydriver #motorcontrol #automationelectronics
82 Uses0 Stars