Semiconductor Technology, Inc. · Electronic Components
ST44R4
TRANSISTOR — NSN 5961-01-173-8209
Part NumberST44R4
ManufacturerSemiconductor Technology, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-173-8209 (NSN)
Federal Item NameTRANSISTOR
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
MaterialPLASTIC ENCLOSURE
Current Rating2.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC AND 0.50 AMPERES MAXIMUM BASE CURRENT, DC
Terminals3 PIN
Mounting MethodUNTHREADED HOLE(S)
Overall Length0.615 INCHES MAXIMUM
Overall Width0.420 INCHES MAXIMUM
Overall Height0.190 INCHES MAXIMUM
Maximum Operating Temp Per Measure150.0 CELSIUS JUNCTION
Voltage Rating In Volts Per Charac300.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 400.0 MAXIMUM COLLECTOR TO EMITTER REVERSE VOLTAGE, WITH
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 ST44R4 available?
We can source ST44R4 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 ST44R4 by Semiconductor Technology, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If ST44R4 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 ST44R4?
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 ST44R4?
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.