Ward Leonard Ct · Electronic Components
21-0001 ITEM 9
SEMICONDUCTOR DEVICE,THYRISTOR — NSN 5961-01-031-1999
Part Number21-0001 ITEM 9
ManufacturerWard Leonard Ct
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-031-1999 (NSN)
Federal Item NameSEMICONDUCTOR DEVICE,THYRISTOR
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
Current Rating110.00 AMPERES MAXIMUM ON-STATE CURRENT, DC
Terminals1 THREADED STUD AND 2 TAB, SOLDER LUG AND 1 SCREW
Mounting MethodTHREADED STUD(S)
Overall Length1.125 INCHES MAXIMUM
Semiconductor MaterialSILICON
Overall Width Across Flats1.031 INCHES MINIMUM AND 1.062 INCHES MAXIMUM
Internal ConfigurationJUNCTION CONTACT
Voltage Rating In Volts Per Charac1000.0 MAXIMUM REPETITIVE PEAK REVERSE VOLTAGE AND 1100.0 MAXIMUM NONREPETITIVE PEAK REVERSE VOLTAGE AND 1000.0 MAXIMUM
Mounting Facility Quantity1
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 21-0001 ITEM 9 available?
We can source 21-0001 ITEM 9 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 21-0001 ITEM 9 by Ward Leonard Ct obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 21-0001 ITEM 9 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 21-0001 ITEM 9?
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 21-0001 ITEM 9?
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.