L3Harris Technologies · Electronic Components
66122-1
SEMICONDUCTOR DEVICE,THYRISTOR — NSN 5961-00-411-8831
Part Number66122-1
ManufacturerL3Harris Technologies
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-00-411-8831 (NSN)
Federal Item NameSEMICONDUCTOR DEVICE,THYRISTOR
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
Current Rating50.00 AMPERES MAXIMUM AVERAGE ON-STATE CURRENT, 180 DEGREES CONDUCTION ANGLE, AVERAGE OVER A FULL 60-HZ CYCLE
Terminals1 THREADED STUD AND 2 INSULATED WIRE LEAD W/TERMINAL LUG
Mounting MethodTHREADED STUD(S)
Overall Length1.125 INCHES MAXIMUM
Overall Diameter1.031 INCHES MINIMUM AND 1.062 INCHES MAXIMUM
Semiconductor MaterialSILICON
Voltage Rating In Volts Per Charac300.0 MAXIMUM REVERSE VOLTAGE, PEAK
Joint Electronic Device EngineerinTO-94
Thread Series DesignatorUNF
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
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is 66122-1 available?
We can source 66122-1 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 66122-1 by L3Harris Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 66122-1 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 66122-1?
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 66122-1?
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.