Powerex · Electronic Components
5S621K30
TRANSISTOR — NSN 5961-01-312-1890
Part Number5S621K30
ManufacturerPowerex
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-312-1890 (NSN)
Federal Item NameTRANSISTOR
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
Current Rating300.00 AMPERES MAXIMUM FORWARD CURRENT, DC
Overall Length4.250 INCHES MAXIMUM
Overall Width2.440 INCHES MAXIMUM
Overall Height1.420 INCHES MAXIMUM
Voltage Rating In Volts Per Charac1000.0 NOMINAL COLLECTOR-TO-EMITTER, SUBSTAINING VOLTAGE, BASE OPEN-CIRCUITED
Power Rating Per Characteristic1980.0 WATTS MAXIMUM AVERAGE ON-STATE POWER DISSIPATION
Internal ConfigurationJUNCTION CONTACT-DARLINGTON CONNECTED
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 5S621K30 available?
We can source 5S621K30 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 5S621K30 by Powerex obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 5S621K30 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 5S621K30?
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 5S621K30?
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.