Semiconductor Technology, Inc. · Electronic Components
ST-4474
TRANSISTOR — NSN 5961-01-239-4505
Part NumberST-4474
ManufacturerSemiconductor Technology, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-239-4505 (NSN)
Federal Item NameTRANSISTOR
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
Current Rating30.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC AND 6.00 AMPERES MAXIMUM BASE CURRENT, DC
Terminals2 PIN AND 1 CASE
Mounting MethodUNTHREADED HOLE(S)
Overall Length1.573 INCHES MAXIMUM
Overall Width1.050 INCHES MAXIMUM
Overall Height0.386 INCHES MAXIMUM
Voltage Rating In Volts Per Charac450.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC WITH SPECIFIED CIRCUIT BETWEEN BASE AND EMITTER AND 400.0 MAXIMUM COLLECT
Power Rating Per Characteristic175.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
Maximum Operating Temp Per Measure150.0 CELSIUS JUNCTION
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 ST-4474 available?
We can source ST-4474 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 ST-4474 by Semiconductor Technology, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If ST-4474 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 ST-4474?
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 ST-4474?
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.