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
10 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.Standard...
12Amp 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.Alternistor type...
15 Amp and 16 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...
25 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.Standard...
40 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.Alternistor...
Excellent for lower current heat, lamp, and audible alarm controls for home goods.Standard phase control SCRs are triggered with few milliamperes of current at less than 1.5V potential. RoHS compliant...
Excellent unidirectional switches for phase control applications such as heating and motor speed controls. Standard phase control SCRs are triggered with few milliamperes of current at less than 1.5V potential.
Excellent unidirectional switches for phase control applications such as heating and motor speed controls.Sensitive gate SCRs are easily triggered with microAmps of current as furnished by sense coils, proximity switches,...
Excellent unidirectional switches for phase control applications such as heating and motor speed controls.Standard phase control SCRs are triggered with few milliamperes of current at less than 1.5V potential. RoHS...
Littelfuse is recognised as the Worldwide leader in distributed gate technology. These devices are available with blocking voltages to 4.5kV and average currents in excess of 5kA, with tq ratings...
Littelfuse offers a broad range of high specification devices with voltage ratings to 4.5kV (2.8kV DC link) and controllable current ratings of up to 4kA are available to meet the...
QVxx16xHx Series is designed with high dv/dt capability for AC switching and phase control applications, especially for inductive loads applications where high commutation performance is required. High TJ of 150°C...
The Littelfuse "P“ series of fast switching thyristors have a regenerative gate structure to ensure low switching losses and high di/dt performance. "P“ series devices are suitable for existing inverter,...
This 12 A high temperature Alternistor TRIAC, offered in TO-220AB, TO-220 isolated, and TO-263 packages, has 150°C maximum junction temperature (TJ) and 153 A ITSM (60 Hz). This series enables...
This 12 A high-temperature Alternistor TRIAC, offered in TO-220AB, TO-220 isolated, TO-251, TO-252, and TO-263 packages, has rated 150 °C maximum junction temperature, Tvj(max) and 153 A non-repetitive surge peak...
This 25 A high temperature Alternistor TRIAC, offered in TO-220AB, TO-220 isolated, and TO-263 packages, has 150 °C maximum junction temperature (TJ) and 250 A ITSM (60 Hz). This series...
This 4 Amp Over-voltage switch integrates a TRIAC structure with high voltage clamping function to ensure capability of withstand high over-voltage events, such as line transients described in the IEC...
This Sxx06x SCR series is ideal for uni-directional switch applications such as phase control, heating, motor speed controls, converters/rectifier s and capacitive discharge ignitions.These SCRs have a low gate current...
This Sxx08x SCR series is ideal for uni-directional switch applications such as phase control, heating, motor speed controls, converters/rectifier s and capacitive discharge ignitions. These SCRs have a low gate...
This Sxx10x SCR series is ideal for uni-directional switch applications such as phase control, heating, motor speed controls, converters/rectifier s and capacitive discharge ignitions. These SCRs have a low gate...

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