Microsemi Corporation · Electronic Components
1N4975US
Diode Zener Single 51V 5000mW 2-Pin MELF
Part Number1N4975US
ManufacturerMicrosemi Corporation
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 1N4975US in stock?
Yes — 1N4975US is in our stock database. Request a quote for current pricing and lead time.
Is 1N4975US by Microsemi Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1N4975US 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 1N4975US?
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 1N4975US?
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.