25 Amp Standard & Alternistor (High Commutation) Triacs
Qxx25xx & Qxx25xHx Series
This 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 alternistor triac components operate with
in-phase signals in Quadrants I or III and ONLY unipolar
negative gate pulses for Quadrant II or III. The alternistor
triac will not operate in Quadrant IV.
Agency File Number
TO-220L, TO-218K, TO-218J
50 or 80
Features & Benefits
• RoHS compliant
• Glass – passivated
• Voltage capability up
to 1000 V
• S urge capability up
to 250A at 60 Hz
Excellent for AC switching and phase control applications
such as heating, lighting, and motor speed controls.
Typical applications are AC solid-state switches, industrial
power tools, exercise equipment, white goods and
Alternistor Triacs (no snubber required) are used in
applications with high inductive loads requiring the highest
Internally constructed isolated packages are offered for
ease of heat sinking with highest isolation voltage.
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.