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.
Hi5000Q
The Hi5000Q is a high-precision, flicker-free LED constant-current driver IC designed for buck, boost, and buck-boost LED lighting applications. It supports external MOSFET operation, making it suitable for high-power LED systems such as automotive lighting, medical lighting, photography lamps, desk lamps, and educational lighting. Key Features Wide input voltage range: 6.5V to 75V Supports buck, boost, and buck-boost topologies External MOSFET architecture for high current capability Up to 10A continuous output current High efficiency operation exceeding 95% Flicker-free LED dimming control Supports: 100:1 PWM-to-analog dimming 10,000:1 hybrid dimming 10:1 analog dimming Fixed switching frequency of 130kHz Very low standby power consumption Excellent load regulation accuracy (less than ±0.5%) Built-in soft-start function Undervoltage protection (UVLO) Output overvoltage protection (OVP) Cycle-by-cycle current limiting protection Available in QFN16 4x4mm package
1 Uses0 StarsSSC54-E3/57T
Diode 40 V 5A Surface Mount DO-214AB (SMC) The SSC54-E3/57T is a surface-mount Schottky barrier rectifier diode manufactured by Vishay Intertechnology . It is designed for high-efficiency power rectification applications requiring low forward voltage drop and fast switching performance. This diode is commonly used in DC-DC converters, switching power supplies, polarity protection circuits, and freewheeling applications. The device comes in a compact DO-214AB (SMC) package suitable for automated PCB assembly. Key Features Schottky barrier rectifier technology Maximum repetitive reverse voltage: 40 V Average forward current: 5 A Very low forward voltage drop (~0.49 V max) High surge current capability up to 175 A Fast switching speed with low power loss Surface-mount DO-214AB (SMC) package Operating junction temperature up to 150°C Matte tin-plated terminals, RoHS compliant Suitable for high-frequency power conversion applications #CommonPartsLibrary #Diode
121 Uses0 StarsPEC11J-9015F-S0024
Rotary Encoder Incremental 24 Quadrature (Incremental) User Selectable 10 mA @ 5 VDC,-10 C to +70 C The PEC11J-9015F-S0024 is a compact surface-mount incremental rotary encoder from the Bourns PEC11J series, designed for user interface applications requiring precise rotational input and long operational life. It features a quadrature output with 24 pulses per revolution and includes an integrated momentary push-button switch, making it suitable for menu navigation, volume control, tuning systems, and industrial control panels. Its rugged metal shaft construction and high durability make it reliable for both consumer and professional electronic equipment. Key Features Incremental rotary encoder with 2-bit quadrature output 24 pulses per revolution (24 PPR) resolution Integrated momentary push-button switch Surface-mount gull-wing terminals Compact 12 mm encoder body Durable metal shaft and bushing Long rotational life of up to 100,000 cycles No detents for smooth continuous rotation Supports up to 60 RPM operating speed Operating temperature range: -10 °C to +70 °C IP40 rated enclosure Flatted shaft design for secure knob attachment Suitable for: Audio equipment Lighting consoles Consumer appliances Communication devices Test and measurement equipment Component Category #Sensor #Encoder #Transducer #PEC11J
70 Uses0 StarsSB1040_T0_00001
Diode 40 V 10A Through Hole TO-220AC The SB1040_T0_00001 is a high-efficiency Schottky Barrier Rectifier diode manufactured by Panjit International Inc. . It is designed for fast switching and low power loss applications such as switching power supplies, DC-DC converters, freewheeling circuits, and reverse polarity protection. Its Schottky technology provides a low forward voltage drop, helping improve overall system efficiency and reduce heat generation. Key Features Schottky barrier rectifier technology Low forward voltage drop: typically 0.55V @ 10A High average forward current capability: 10A Reverse voltage rating: 40V Fast switching / fast recovery performance Low power loss and improved efficiency Wide operating junction temperature range: -55°C to +150°C Through-hole TO-220AC / TO-220-2 package Suitable for high-frequency power applications RoHS compliant #CommonPartsLibrary #Diode #Schottky
12 Uses0 StarsSRP4020TA-4R7M
4.7 µH Shielded Drum Core, Wirewound Inductor 2.6 A 105mOhm Max 2-SMD The SRP4020TA-4R7M is a compact surface-mount power inductor designed for use in high-efficiency power conversion and energy storage applications. It is optimized for switching regulators, DC-DC converters, and filtering circuits where stable inductance, low core loss, and reliable current handling are required. The device features a magnetically shielded construction that minimizes electromagnetic interference, making it suitable for densely populated electronic assemblies. Its robust design supports consistent performance across a wide range of operating conditions, contributing to improved system efficiency and reduced noise. Construction and Materials The component is manufactured using a ferrite core with integrated winding, enclosed in a molded structure that provides mechanical stability and environmental protection. The shielding structure reduces flux leakage and enhances electromagnetic compatibility. External terminations are designed for reliable solderability and strong adhesion to standard printed circuit board pads. Electrical Characteristics The inductor provides a nominal inductance corresponding to its designation and maintains stability under rated operating conditions. It exhibits low direct current resistance to minimize conduction losses and supports moderate to high current levels without significant saturation. The component is engineered to maintain performance over variations in temperature and frequency typical of switching power applications. Thermal Performance The device is capable of operating within standard industrial temperature ranges, with thermal characteristics that support efficient heat dissipation through the PCB. Its construction helps maintain inductance stability and prevents degradation under thermal stress. Mechanical Characteristics The package is a low-profile, surface-mount form factor suitable for automated assembly. The compact footprint enables use in space-constrained designs, while the structure ensures durability during handling and reflow soldering processes. Applications Typical applications include step-down and step-up voltage regulators, power management modules, portable electronics, telecommunications equipment, and general-purpose filtering where compact size and efficient performance are critical. Reliability and Compliance The component is designed to meet common industry reliability standards for surface-mount passive devices. It is compatible with standard reflow soldering processes and is typically compliant with environmental regulations governing hazardous substances. #commonpartslibrary #inductor
141 Uses0 StarsTPS259530DSGR
Electronic Fuse Regulator 4A 8-WSON (2x2) The TPS259530DSGR is a compact, integrated eFuse protection device designed to provide robust power-path management for low-voltage DC systems, particularly nominal five-volt rails. It combines multiple protection and control features into a single solution, enabling safe distribution of power to downstream circuitry while minimizing the need for external components. The device supports controlled inrush current during startup, continuous current monitoring, and rapid fault response to protect both the power source and the load. Integrated protection mechanisms include overvoltage protection, undervoltage lockout, overcurrent limiting, thermal shutdown, and reverse current blocking. This makes the device well suited for applications requiring high reliability, such as embedded systems, industrial electronics, consumer devices, and communication equipment. Functional Description The device operates as a high-side protection switch using an internal MOSFET to control current flow from the input supply to the load. It monitors input voltage, output current, and internal temperature to ensure operation within safe limits. When a fault condition such as overcurrent or overvoltage is detected, the device limits or interrupts current flow to prevent damage. The integrated control loop provides smooth startup by limiting inrush current and preventing supply droop. Reverse current blocking prevents unwanted current flow from the output back to the input when the input supply is removed or drops below the output level. Electrical Characteristics The device supports operation across a wide input voltage range suitable for low-voltage DC systems, including typical five-volt rails. It features an adjustable overvoltage protection threshold aligned with five-volt system requirements, along with configurable undervoltage lockout to ensure proper system startup and shutdown behavior. The current limit is externally programmable, allowing flexibility for different load conditions. The device exhibits low on-resistance to minimize power dissipation and voltage drop during normal operation. Protection Features The TPS259530DSGR integrates multiple protection functions to enhance system robustness. Overvoltage protection prevents excessive input voltage from reaching the load. Undervoltage lockout ensures the device only operates when the input supply is within a valid range. Overcurrent protection actively limits current during fault conditions and can respond rapidly to short circuits. Thermal shutdown protects the device from overheating by disabling operation when internal temperature exceeds safe limits. Reverse current blocking prevents backflow of current, safeguarding both the source and load. Control and Interface The device includes an enable control input that allows external control of the power path. It supports configurable behavior for fault response and recovery, depending on system design. External components can be used to set thresholds such as current limit and undervoltage lockout, providing design flexibility. Status signaling allows system-level monitoring of fault conditions. Mechanical and Package Information The TPS259530DSGR is provided in a compact surface-mount package suitable for space-constrained applications. The package is optimized for thermal performance and efficient PCB layout, enabling reliable operation under varying load conditions. It is supplied in tape-and-reel format for automated assembly processes. Applications This device is intended for use in systems requiring reliable power distribution and protection. Typical applications include five-volt power rails in embedded systems, industrial control modules, consumer electronics, communication devices, and peripheral power management circuits. Summary The TPS259530DSGR offers an integrated, high-reliability solution for power path protection and management in low-voltage systems. Its combination of protection features, configurability, and compact form factor makes it a widely used choice for safeguarding five-volt supply rails in modern electronic designs. #commonpartslibrary #integratedcircuit #powermanagement
1.0k Uses0 StarsIHDM1008BCEV4R7M30
4.7 µH Unshielded Drum Core, Wirewound Inductor 62 A 0.95mOhm Max Vertical, 2 PC Pin The IHDM1008BCEV4R7M30 is a surface-mount power inductor designed for energy storage and filtering in switching power supplies and DC-DC converter circuits. It provides stable inductance characteristics under varying current conditions, making it suitable for applications requiring efficient power conversion and noise suppression. The device is constructed using a magnetically shielded structure to minimize electromagnetic interference and ensure reliable operation in densely populated circuit environments. Its design supports high current handling capability while maintaining low core losses, contributing to overall system efficiency. Functional Overview The inductor stores energy in its magnetic field when current flows through it and releases that energy when the current changes. This behavior is essential for smoothing current in switching regulators and maintaining stable voltage levels in power circuits. Its low resistance winding helps reduce power loss, while the magnetic shielding limits flux leakage, improving performance in sensitive electronic systems. The component is optimized for high-frequency operation typically found in modern power management designs. Electrical Characteristics The device provides a fixed inductance value with stable performance across a range of operating currents. It supports relatively high saturation current levels, allowing it to function effectively in power circuits without significant degradation of inductance. Low direct current resistance contributes to improved efficiency and reduced heat generation. The inductor is designed to maintain consistent electrical behavior across typical operating temperatures and frequencies used in switching applications. Interface Requirements The component features standard surface-mount terminals for direct placement onto printed circuit boards. Proper soldering and pad design are required to ensure mechanical stability and optimal electrical performance. Placement considerations should include minimizing loop area and proximity to switching elements to reduce noise and maximize efficiency. Operating Conditions The inductor is intended for operation across a wide temperature range suitable for consumer and industrial electronics. It is capable of maintaining performance under continuous load conditions and varying thermal environments. Adequate thermal management and airflow may be necessary in high-current applications to prevent excessive temperature rise. Protection and Reliability Features The device is constructed with durable materials to ensure long-term reliability under electrical and thermal stress. Its magnetically shielded design reduces susceptibility to external interference and limits emissions that could affect nearby components. It is designed to withstand standard handling and soldering processes associated with surface-mount assembly. Packaging and Integration The IHDM1008BCEV4R7M30 is provided in a compact surface-mount package optimized for automated assembly processes. Its form factor allows efficient use of board space while supporting high-performance power designs. The package design ensures secure mounting and consistent electrical contact in high-density circuit layouts. Applications Typical applications include DC-DC converters, voltage regulator modules, power management circuits, filtering stages, and energy storage elements in portable devices, industrial equipment, and communication systems. #commonpartslibrary #inductors
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