Central Semiconductor, LLC · Electronic Components
1N3971
SEMICONDUCTOR DEVICE,DIODE — NSN 5961-01-292-6403
Part Number1N3971
ManufacturerCentral Semiconductor, LLC
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-292-6403 (NSN)
Federal Item NameSEMICONDUCTOR DEVICE,DIODE
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
MaterialSILICON SEMICONDUCTOR
Terminals1 TAB, SOLDER LUG AND 1 THREADED STUD
Mounting MethodTHREADED STUD(S)
Overall Length1.313 INCHES NOMINAL
Terminal Length0.438 INCHES NOMINAL AND 0.550 INCHES MAXIMUM
Thread Series DesignatorUNF
Voltage Rating In Volts Per Charac800.0 NOMINAL REVERSE VOLTAGE, PEAK
Overall Width Across Flats0.678 INCHES NOMINAL
Nominal Thread Size0.250 INCHES
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 1N3971 available?
We can source 1N3971 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 1N3971 by Central Semiconductor, LLC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1N3971 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 1N3971?
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 1N3971?
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.