Undersea Sensor Systems · Electronic Components
9999-5011
TRANSISTOR — NSN 5961-01-220-4378
Part Number9999-5011
ManufacturerUndersea Sensor Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-220-4378 (NSN)
Federal Item NameTRANSISTOR
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
MaterialPLASTIC ENCLOSURE
Terminals3 PIN
Mounting MethodTERMINAL
Overall Length1.260 INCHES NOMINAL
Overall Width0.500 INCHES NOMINAL
Overall Height0.130 INCHES NOMINAL
Maximum Operating Temp Per Measure25.0 CELSIUS AMBIENT AIR
Semiconductor MaterialSILICON
Voltage Rating In Volts Per Charac80.0 MAXIMUM COLLECTOR-TO-EMITTER, SUBSTAINING VOLTAGE, BASE OPEN-CIRCUITED
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 9999-5011 available?
We can source 9999-5011 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 9999-5011 by Undersea Sensor Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 9999-5011 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 9999-5011?
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 9999-5011?
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.