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International Rectifier Hirel Products, Inc.  · Electronic Components

OM3420ST

SEMICONDUCTOR DEVICE,THYRISTOR — NSN 5961-01-400-1651

Part NumberOM3420ST
ManufacturerInternational Rectifier Hirel Products, Inc.
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameSEMICONDUCTOR DEVICE,THYRISTOR
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
Current Rating12.00 AMPERES MAXIMUM ON-STATE CURRENT, RMS TOTAL AND 100.00 AMPERES MAXIMUM PEAK NONREPETITIVE SURGE CURRENT
Terminals3 PIN
Mounting MethodUNTHREADED HOLE(S)
Overall Length16.89 MILLIMETERS MAXIMUM
Overall Width16.38 MILLIMETERS MAXIMUM
Overall Height5.08 MILLIMETERS MAXIMUM
Voltage Rating In Volts Per Charac200.0 MAXIMUM REPETITIVE PEAK REVERSE VOLTAGE AND 200.0 MAXIMUM REPETITIVE PEAK OFF-STATE VOLTAGE
Maximum Operating Temp Per Measure125.0 CELSIUS JUNCTION
Joint Electronic Device EngineerinTO-257AA
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RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant

Frequently asked

Is OM3420ST available?
We can source OM3420ST even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is OM3420ST by International Rectifier Hirel Products, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If OM3420ST has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like OM3420ST?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for OM3420ST?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.