Fairchild Semiconductor · Electronic Components
MMSZ5248B
DIODE ZENER 18V 500MW SOD-123
Part NumberMMSZ5248B
ManufacturerFairchild Semiconductor
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-580-2349 (NSN)
Federal Item NameSEMICONDUCTOR DEVICE,DIODE
MaterialPLASTIC ENCLOSURE
Mounting MethodTERMINAL
Overall Length3.5 MILLIMETERS MINIMUM AND 3.8 MILLIMETERS MAXIMUM
Overall Width1.4 MILLIMETERS MINIMUM AND 1.7 MILLIMETERS MAXIMUM
Overall Height1.0 MILLIMETERS MINIMUM AND 1.4 MILLIMETERS MAXIMUM
Special Features500MW POWER DISSPIPATION, MEDIUM CURRENT
Voltage Rating In Volts Per Charac17.1 MINIMUM REGULATOR VOLTAGE, DC AND 18.9 MAXIMUM REGULATOR VOLTAGE, DC
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 MMSZ5248B available?
We can source MMSZ5248B 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 MMSZ5248B by Fairchild Semiconductor obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MMSZ5248B 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 MMSZ5248B?
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 MMSZ5248B?
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.