Massachusetts Bay Technologies · Electronic Components
1N21WG
SEMICONDUCTOR DEVICE,DIODE — NSN 5961-00-078-1836
Part Number1N21WG
ManufacturerMassachusetts Bay Technologies
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-00-078-1836 (NSN)
Federal Item NameSEMICONDUCTOR DEVICE,DIODE
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
MaterialSILICON SEMICONDUCTOR; GLASS ENCLOSURE
Terminals2 PIN
Mounting MethodTERMINAL
Overall Length0.766 INCHES MINIMUM AND 0.792 INCHES MAXIMUM
Overall Diameter0.222 INCHES MINIMUM AND 0.240 INCHES MAXIMUM
Precious MaterialGOLD
Special FeaturesSUPPLIED WITH BASE ADAPTER 0.240 MIN, 0.256 MAX IN. LG. AND 0.292 MIN, 0.296 MAX IN. DIA.
Features ProvidedHERMETICALLY SEALED CASE
Voltage Rating In Volts Per Charac1.3 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN
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 1N21WG available?
We can source 1N21WG 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 1N21WG by Massachusetts Bay Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1N21WG 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 1N21WG?
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 1N21WG?
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.