Powerex Inc · Electronic Components
ks221k05
Single Darlington Transistor Module 50 Amperes/1000 Volts
Part Numberks221k05
ManufacturerPowerex Inc
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-426-8909 (NSN)
Federal Item NameTRANSISTOR
MaterialPLASTIC ENCLOSURE
Terminals3 SCREW
Mounting MethodUNTHREADED HOLE(S)
Overall Length3.700 INCHES MAXIMUM
Semiconductor MaterialSILICON
Voltage Rating In Volts Per Charac1000.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR TO EMITTER, SUSTAINED AND 2500.0 MAXIMUM NONREPETITIVE PEAK REVERSE VOLTAGE
Mounting Facility Quantity2
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
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 ks221k05 available?
We can source ks221k05 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 ks221k05 by Powerex Inc obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If ks221k05 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 ks221k05?
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 ks221k05?
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.