Littelfuse, Inc. Datasheets for Silicon Controlled Rectifiers (SCR)

Silicon controlled rectifiers (SCR) are four-layer (PNPN) thyristors with three terminals: an input control terminal (gate), an output terminal (anode), and a terminal common to both the input and output (cathode). SCRs are used mainly with high voltages and currents, often to control alternating current (AC) where the change of sign causes the device to switch off automatically.
Silicon Controlled Rectifiers (SCR): Learn more

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Product Name Notes
0.8 Amp bi-directional solid state switch series is designed for AC switching and phase control applications such as motor speed and temperature modulation controls, lighting controls, and static switching relays.
1 Amp bi-directional solid state switch series is designed for AC switching and phase control applications such as motor speed and temperature modulation controls, lighting controls, and static switching relays.Sensitive...
25 Amp bi-directional Alternistor Triac is designed for AC switching and phase control applications requiring a higher temperature environment.Alternis tor type devices only operate in quadrants I, II, & III...
4 Amp bi-directional solid state switch series is designed for AC switching and phase control applications such as motor speed and temperature modulation controls, lighting controls, and static switching relays.Sensitive...
6 Amp bi-directional solid state switch series is designed for AC switching and phase control applications such as motor speed and temperature modulation controls, lighting controls, and static switching relays.Sensitive...
8 Amp bi-directional solid state switch series is designed for AC switching and phase control applications such as motor speed and temperature modulation controls, lighting controls, and static switching relays.Sensitive...
Medium voltage applications place additional demands on phase controlled thyristors. To meet these demands we have developed a comprehensive range of thyristors optimised for medium voltage applications and series operation.
MOS-Gated Thyristors are designed for high-power pulse and capacitive discharge applications, switched on by a voltage applied at the gate terminal (MOS structure). Capable of carrying current up to 32kA...
New 0.8Amp bi-directional solid state switch series offering direct interface to microprocessor drivers in economical TO-92 and surface mount packages. The die voltage blocking junctions are glass-passivated to ensure long...
New 1Amp bi-directional solid state switch series offering direct interface to microprocessor drivers in economical TO-92 and surface mount packages. The die voltage blocking junctions are glass-passivated to ensure long...
Teccor brand line of sensitive gate triacs includes devices with current capabilities through 8A. Voltage ranges are available from 200V to 600V. This line features devices with guaranteed gate control...
The Dual Thyristor Modules Portfolio offers various packages and breakdown voltages up to 2200V.
The HS4040xAQx series of SCRs offer fast turn-off time (tq) characteristics required for applications such as power inverters, switching regulator, and high frequency pulse circuits.These fast turn-off time SCRs offer...
The Kxxx1GL Series Multipulse™ SIDAC generates the multiple high voltage pulses required to ignite metal-halide lamps. Its quick turn-off characteristics allow generating a minimum of three pulses per AC half-cycle.
The Multipulse™ SIDAC is a voltage switch used in Metal-Halide lamp ignition circuits as well as High Pressure Sodium lamp ignition circuits for outdoor street and area lighting. This robust...
The new K2xx0yHU is a higher energy SIDAC switch for gas ignition applications requiring higher current pulse current especially at low repetition rate. It is offered in a DO-15 leaded...
The new K2xx0yHUis a higher energy SIDAC switch for gas ignition applications requiring higher current pulse current especially at low repetition rate. It is offered in a DO-15 leaded package.
The new Kxxx0yH is a higher energy SIDAC switch for gas ignition applications requiring higher current pulse current especially at low repetition rate. It is offered in a DO-15 and...
The SIDAC is a silicon bilateral voltage triggered switch. Upon application of a voltage exceeding the SIDAC breakover voltage point, the SIDAC switches on through a negative resistance region to...
The SIDAC is a silicon unilateral voltage triggered switch. Upon application of a voltage exceeding the SIDAC breakover voltage point, the SIDAC switches on through a negative resistance region to...
The SIDAC is a silicon unilateral voltage triggered switch. Upon application of a voltage exceeding the SIDAC breakover voltage point, the SIDAC switches on through a negativeresistance region to a...
The triac is designed for high volume, low cost, industrial and consumer applications such as motor control, process control, temperature, light and speed control. Small Size Surface Mount DPAK Package...
This 0.5 A bi-directional solid state switch series offers direct interface to microprocessor drivers in a SOT-23 package for low power AC switching applications such as e-valve and AC solenoid...
This 4 A High Temperature Triac solid state switch series is designed for AC switching and phase control applications such as motor speed and temperature modulation controls, lighting controls, and...
This 6 A High Temperature Alternistor Triac solid state switch series is designed for AC switching and phase control applications such as motor speed and temperature modulation controls, lighting controls,...
This 8 A High Temperature Alternistor Triac solid state switch series is designed for AC switching and phase control applications such as motor speed and temperature modulation controls, lighting controls,...
This triac is designed for high performance full-wave ac control applications where high noise immunity and commutating di/dt are required. Blocking Voltage to 800 V On-state Current Rating of 12...
This triac is designed for high performance full-wave ac control applications where high noise immunity and commutating di/dt are required. Blocking Voltage to 800 V On-State Current Rating of 15...
This triac is designed for high performance full-wave ac control applications where high noise immunity and commutating di/dt are required. Blocking Voltage to 800 V On-State Current Rating of 8.0...
This triac is designed for industrial and consumer applications for full wave control of ac loads such as appliance controls, heater controls, motor controls, and other power switching applications. Sensitive...
This triac is designed for use in solid state relays, MPU interface, TTL logic and other light industrial or consumer applications. It is supplied in a surface mount package for...
This triac is designed primarily for full-wave ac control applications, such as light dimmers, motor controls, heating controls and power supplies; or wherever full-wave silicon gate controlled solid-state devices are...
This triac is designed primarily for full-wave ac control applications, such as motor controls, heating controls or dimmers; or wherever full-wave, silicon gate-controlled devices are needed. High Commutating di/dt and...
This triac is designed primarily for full-wave ac control applications, such as motor controls, heating controls or dimmers; or wherever full-wave, silicon gate-controlled devices are needed. Uniform Gate Trigger Currents...

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