ISO 9001:2015 · ANSI/ESD S20.20-2021 · ERAI Member · GIDEP · Woman-Owned Small Business 760.724.2800 · 855.RH.HAS.IT · info@rhelectronics.com
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JAN1N3957

DIODE GEN PURP 1KV 1A AXIAL — JAN qualified per MIL-PRF-19500

Part NumberJAN1N3957
AvailabilityIn stock — ships fast

Specifications

Federal Item NameSEMICONDUCTOR DEVICE,DIODE
MaterialSILICON SEMICONDUCTOR; GLASS ENCLOSURE
Current Rating1.00 AMPERES MAXIMUM AVERAGE ON-STATE CURRENT, 180 DEGREES CONDUCTION ANGLE, AVERAGE OVER A FULL 60-HZ CYCLE AND 30.00 A
Terminals2 UNINSULATED WIRE LEAD
Mounting MethodTERMINAL
Overall Length0.140 INCHES MINIMUM AND 0.205 INCHES MAXIMUM
Overall Diameter0.060 INCHES MINIMUM AND 0.110 INCHES MAXIMUM
Features ProvidedHERMETICALLY SEALED CASE
Voltage Rating In Volts Per Charac1000.0 MAXIMUM WORKING PEAK REVERSE VOLTAGE
Maximum Operating Temp Per Measure175.0 CELSIUS JUNCTION
Terminal Length0.600 INCHES MINIMUM AND 1.500 INCHES MAXIMUM
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
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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

Frequently asked

Is JAN1N3957 in stock?
Yes — JAN1N3957 is in our stock database. Request a quote for current pricing and lead time.
Is JAN1N3957 obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If JAN1N3957 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 JAN1N3957?
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 JAN1N3957?
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.