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Fairchild Semiconductor  · Electronic Components

SI9430DY

Single P-channel enhancement mode MOSFET, 20V, 5.8A

Part NumberSI9430DY
ManufacturerFairchild Semiconductor
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameSEMICONDUCTOR DEVICE ASSEMBLY
Criticality Code JustificationAGAV
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
Cancelled NSN5962-01-509-4509 (cancelled)
NSN Cancelled Date25-APR-2023
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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 SI9430DY available?
We can source SI9430DY 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 SI9430DY by Fairchild Semiconductor obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SI9430DY 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 SI9430DY?
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 SI9430DY?
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.