Fairchild Semiconductor · Electronic Components
MMSZ4689
DIODE ZENER 5.1V 500MW SOD-123
Part NumberMMSZ4689
ManufacturerFairchild Semiconductor
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-705-8228 (NSN)
Federal Item NameSEMICONDUCTOR DEVICE,DIODE
MaterialPLASTIC ENCLOSURE
Terminals2 TAB, SOLDER LUG
Mounting MethodTERMINAL
Features ProvidedROHS DIRECTIVE COMPLIANCE
Maximum Operating Temp Per Measure150.0 CELSIUS AMBIENT AIR
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
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 MMSZ4689 available?
We can source MMSZ4689 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 MMSZ4689 by Fairchild Semiconductor obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MMSZ4689 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 MMSZ4689?
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 MMSZ4689?
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.