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High-Temperature Sensitive Alternistor TRIACs

Littelfuse High-Temperature Sensitive Alternistor TRIACs are a combination of space-saving packaging and high-temperature capabilities. These triacs are well-suited for IoT applications that require compact designs without the involvement of continuous high currents. The high-temperature sensitive alternistor triacs feature clip-attach assembly combined with +150°C high maximum junction temperature. These triacs also provide 8A AC control in a compact surface-mount package. The high-temperature alternistor triacs provide larger thermal margin in design and ensures higher surge capability to withstand short-duration overload conditions. Littelfuse High-Temperature Sensitive Alternistor TRIACs are suitable for motor control and large appliances, lighting AC control, building automation, and industrial control.

Q Series Switching Thyristors

Littelfuse Q Series Switching Thyristors are bidirectional, solid-state protection devices designed to handle loads from 0.8A to 40A_RMS with 10mA, 25mA, and 50mA IGT in operating Quadrants I, II, III, and IV. Littelfuse developed the Q Series Switching Thyristors for a wide range of AC applications to control AC power either through full-cycle switching or phase control of current to the load element. Q Series devices are rated to block voltage in the OFF condition from 200V minimum with selected products capable of 1000V operation. Internally-constructed, isolated packages are available for ease of heat sinking with highest isolation voltage.

LJxx08/QJxx08 High Temperature 8A Triacs

Littelfuse LJxx08/QJxx08 High-Temperature 8A Triacs are sensitive alternistor (high-commutation) solid-state switching triacs designed for AC switching and phase control applications. These sensitive type triacs guarantee gate control in quadrants I and IV needed for digital control circuitry. The alternistor type triacs only operate in the quadrants I, II, and III. These triacs are used in circuits that require high dv/dt capability. Littelfuse LJxx08/QJxx08 High-Temperature 8A Triacs incorporate solid-state switching that eliminates arcing or contact bounce that creates voltage transients. Typical applications include heating, lighting, motor speed controls, AC solid-state switches, light dimmers, power tools, home/brown goods, and white goods appliances.

High Voltage NEC 600V+ Circuit Protection