Micro Case · Electronic Components
1N3957
Diode Switching 1KV 1A 2-Pin
Part Number1N3957
ManufacturerMicro Case
AvailabilityIn stock — ships fast
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 1N3957 in stock?
Yes — 1N3957 is in our stock database. Request a quote for current pricing and lead time.
Is 1N3957 by Micro Case obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1N3957 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 1N3957?
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 1N3957?
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.