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.
PE426462A-X
RF Switch IC General Purpose SP6T 50Ohm 24-QFN (4x4) PE426462 absorptive SP6T RF switch, HaRP-enhanced UltraCMOS SOI technology, 10MHz to 8GHz frequency range, low insertion loss, high isolation, fast RF rise/fall time, high linearity and low harmonics, operating temperature -55°C to +125°C, suitable for harsh industrial RF applications, no DC blocking capacitors required when no DC voltage is present on RF ports. PE426462
30 Uses0 StarsMMBT3904LT1G
Bipolar (BJT) Transistor NPN 40V 200 mA 300MHz 300 mW Surface Mount SOT-23-3 (TO-236) The MMBT3904LT1G is a general-purpose NPN bipolar junction transistor designed for switching and amplification applications. It is housed in a compact SOT-23 surface-mount package, making it suitable for high-density PCB designs. This transistor is widely used in low-power signal processing, digital switching, and analog amplification circuits due to its reliable performance and fast switching characteristics. Key Features General-purpose NPN transistor Compact SOT-23 surface-mount package Fast switching speed Low saturation voltage Suitable for low-current and low-power applications High reliability and stability Pb-free, Halogen-free, and RoHS compliant Electrical Characteristics (Typical @ 25°C unless otherwise specified) Collector-Emitter Voltage (VCEO): 40 V Collector-Base Voltage (VCBO): 60 V Emitter-Base Voltage (VEBO): 6 V Collector Current (IC): 200 mA (max) DC Current Gain (hFE): 100 – 300 Collector-Emitter Saturation Voltage (VCE(sat)): 0.2 V (typ) Transition Frequency (fT): ~300 MHz Absolute Maximum Ratings Collector Current (Continuous): 200 mA Power Dissipation: ~225 mW Junction Temperature: +150°C (max) Operating Temperature Range: -55°C to +150°C Storage Temperature Range: -55°C to +150°C Mechanical Characteristics Package Type: SOT-23 (TO-236AB) Mounting Type: Surface Mount Number of Pins: 3 Marking Code: Dependent on lot/manufacturer marking Applications General-purpose switching circuits Signal amplification Digital logic interfacing LED drivers and small load switching Audio and RF signal processing #CommonPartsLibrary #TransistorBJT #MMBT2222
1.8k Uses0 StarsB340B-13-F
Diode 40 V 3A Surface Mount SMB Schottky diode 3A 40V SMB The B340B-13-F is a surface-mount Schottky barrier rectifier diode designed for efficient power rectification in low-voltage, high-frequency applications. It features low forward voltage drop and fast switching capability, making it suitable for DC-DC converters, power supplies, reverse polarity protection, and freewheeling diode applications. The device is housed in a compact SMB (DO-214AA) package, enabling high current handling in space-constrained designs. ELECTRICAL CHARACTERISTICS Reverse Voltage (VRRM): 40 V Average Forward Current (IF(AV)): 3 A Forward Voltage (VF): 0.5 V (typical at IF = 3 A) Reverse Leakage Current (IR): 0.5 mA (max at VR = 40 V, 25°C) Peak Surge Current (IFSM): 80 A (8.3 ms single half sine wave) THERMAL CHARACTERISTICS Operating Junction Temperature Range: -55°C to +150°C Storage Temperature Range: -55°C to +150°C Thermal Resistance Junction-to-Ambient (RθJA): ~75 °C/W MECHANICAL CHARACTERISTICS Package Type: SMB (DO-214AA) Mounting Type: Surface Mount (SMD) Polarity: Cathode marked by band Weight: ~0.1 g FEATURES Low forward voltage drop for improved efficiency High surge current capability Fast switching speed Low power loss and high reliability Compact SMB package for space-saving PCB layout RoHS compliant and halogen-free APPLICATIONS Switch-mode power supplies (SMPS) DC-DC converters Reverse polarity protection circuits Freewheeling and clamping diodes Battery charging circuits MANUFACTURER / PART DETAILS Manufacturer: Diodes Incorporated Part Number: B340B-13-F Package Code: SMB (DO-214AA) #Diode #Rectifier #Single-Diode #SCHOTTKY #B340
202 Uses0 Stars218-6LPSTJ
Dip Switch SPST 6 Position Surface Mount Slide (Standard) Actuator 25mA 24VDC The 218-6LPSTJ is a through-hole terminal block connector designed for secure wire-to-board connections. It features a multi-position configuration with a compact footprint and robust clamping mechanism, making it suitable for industrial and general-purpose electronic applications. The component ensures reliable electrical contact and ease of installation for power and signal wiring. Key Features Multi-position terminal block (6 positions) Through-hole mounting for strong mechanical stability Screw clamp or spring clamp termination (depending on variant) მაღალი reliability for power and signal connections مقاومة عالية للاهتزاز (vibration-resistant design) Standard pitch for compatibility with common PCB layouts Electrical Characteristics Rated Voltage: Typically up to 300 V (application dependent) Rated Current: Typically up to 10–15 A per contact (depends on wire gauge) Contact Resistance: Low contact resistance for efficient conduction Insulation Resistance: High insulation resistance Mechanical Characteristics Number of Positions: 6 Pitch: Typically 5.08 mm (verify exact datasheet) Mounting Type: Through-hole PCB mount Wire Size Range: عادةً 24–12 AWG (depends on design) Actuation Type: Screw or spring clamp Material Properties Housing Material: Flame-retardant thermoplastic (UL94 V-0 rated) Contact Material: Copper alloy Plating: Tin-plated contacts for corrosion resistance Environmental Specifications Operating Temperature Range: -40°C to +105°C (typical) مقاومة للبيئات الصناعية القياسية RoHS compliant Applications Power distribution modules Industrial control systems PCB-based wiring interfaces Automation and instrumentation systems Compliance and Standards UL recognized (model dependent) IEC compliance for terminal blocks RoHS compliant #commonpartslibrary #switch #dip #spst
19 Uses0 StarsSRP2010-1R5M
1.5µH Shielded Drum Core, Wirewound Inductor 1.9 A 137mOhm Max 0806 (2016 Metric) The Bourns SRP2010-1R5M is a 1.5 µH wirewound drum-core power inductor designed for high-current, low-loss power conversion applications such as buck/boost converters in compact electronics like smartphones, tablets, SSDs, and embedded systems. It uses a metal powder (iron powder) core with magnetic shielding, which helps reduce EMI (electromagnetic interference) and improves efficiency in high-frequency switching circuits. Key Features Inductance: 1.5 µH Tolerance: ±20% Current Rating (Irms): ~1.9 A Saturation Current (Isat): ~2.5 A Low DCR: ~137 mΩ max Shielded construction (reduces magnetic radiation) Wirewound drum core design Surface-mount package (0806 / 2016 metric) Operating temperature: -40°C to +125°C RoHS compliant Typical Applications DC-DC converters (buck / boost regulators) Power management circuits in mobile devices Laptops, tablets, smartphones SSD/HDD power filtering Embedded systems and IoT devices #CommonPartsLibrary #Inductor #Coil #Choke #Fixed-Inductor #SRP2010
15 Uses0 StarsFSM1LP
Tactile Switch SPST-NO Top Actuated Surface Mount The FSM1LP is a surface-mount tactile (momentary) switch manufactured by TE Connectivity under the ALCOSWITCH series. It is a low-profile, top-actuated pushbutton switch designed for compact PCB applications requiring reliable user input. This switch operates as a momentary SPST-NO (Single Pole Single Throw – Normally Open) device, meaning it only conducts when pressed and returns to open when released. Key Features Switch Type Tactile momentary (OFF–(ON)) pushbutton Contact Configuration SPST-NO (Normally Open) Mounting Type Surface Mount (SMD) with gull-wing leads Actuation Style Top-actuated round button Electrical Rating 50 mA @ 24 VDC Operating Force Approximately 1.57 N (~160 gf) Low Profile Design Compact height (~3–3.5 mm typical), suitable for slim devices Mechanical Life Around 100,000 cycles Contact Material Copper alloy with silver plating for reliable conductivity Compact Size Typically ~6 × 6 mm footprint RoHS Compliant Lead-free and environmentally compliant tactile switch momentary 4 pin smd #CommonPartsLibrary #Switch
3.6k Uses0 StarsMMBT2222ALT3G
Bipolar (BJT) Transistor NPN 40V 600 mA 300MHz 300 mW Surface Mount SOT-23-3 (TO-236) The MMBT2222ALT3G is a NPN general-purpose bipolar junction transistor (BJT) manufactured by onsemi, designed in a SOT-23 surface-mount package. It is the SMD version of the well-known 2N2222A transistor family, used for switching and signal amplification in compact electronic circuits. It is widely used in industrial, automotive (AEC-Q101 qualified variants), and general embedded systems due to its reliability, small size, and good electrical performance. Key Features NPN General-Purpose Transistor Suitable for switching and low-power amplification Collector-Emitter Voltage (Vceo) Up to 40 V Collector Current Up to 600 mA Power Dissipation Around 225–300 mW (depending on package conditions) High Frequency Performance Transition frequency up to ~300 MHz DC Current Gain (hFE) Typically ~100 at moderate currents Low Saturation Voltage Efficient switching performance for digital circuits SOT-23 Surface-Mount Package Compact footprint for modern PCB designs Wide Temperature Range Typically -55°C to +150°C RoHS / Lead-Free Compliant Environmentally compliant manufacturing Typical Applications LED switching circuits Relay driver stages MCU signal interfacing (Arduino, ESP32, etc.) Small motor drivers General signal amplification Automotive and industrial control circuits Important Note MMBT2222ALT3G = SMD version (SOT-23) Equivalent to 2N2222A (TO-92 through-hole version) in function, but not in physical package. 2N2222A SOT-23 #commonpartslibrary #transistor #bjt
590 Uses0 Stars
