Kepco, Inc. · Electronic Components
521-0049
SEMICONDUCTOR DEVICE,DIODE — NSN 5961-01-129-4171
Part Number521-0049
ManufacturerKepco, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-129-4171 (NSN)
Federal Item NameSEMICONDUCTOR DEVICE,DIODE
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
MaterialSILICON SEMICONDUCTOR; GLASS ENCLOSURE
Current Rating20.00 MILLIAMPERES MAXIMUM VOLTAGE REGULATOR DIODE CURRENT
Terminals2 UNINSULATED WIRE LEAD
Mounting MethodTERMINAL
Overall Length0.165 INCHES MAXIMUM
Overall Diameter0.075 INCHES MAXIMUM
Terminal Length0.984 INCHES MAXIMUM
Features ProvidedHERMETICALLY SEALED CASE
Voltage Rating In Volts Per Charac3.3 MAXIMUM NOMINAL REGULATOR VOLTAGE
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 521-0049 available?
We can source 521-0049 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 521-0049 by Kepco, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 521-0049 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 521-0049?
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 521-0049?
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.