Avionics Specialties, Inc. · Electronic Components
956-121
TRANSISTOR — NSN 5961-00-389-9263
Part Number956-121
ManufacturerAvionics Specialties, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-00-389-9263 (NSN)
Federal Item NameTRANSISTOR
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
Terminals2 PIN
Overall Length1.245 INCHES MINIMUM AND 1.255 INCHES MAXIMUM
Overall Width0.700 INCHES MAXIMUM
Overall Height0.250 INCHES MINIMUM AND 0.340 INCHES MAXIMUM
Internal ConfigurationJUNCTION CONTACT
Features ProvidedHERMETICALLY SEALED CASE
Semiconductor MaterialSILICON
Special FeaturesJUNCTION PATTERN ARRANGEMENT: NPN
Electrode Internally ElectricallyCOLLECTOR
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 956-121 available?
We can source 956-121 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 956-121 by Avionics Specialties, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 956-121 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 956-121?
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 956-121?
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.