ON Semiconductor · Electronic Components
MMSZ5231BT1G
DIODE,ZENER 5.1 V 0.5 W SOD 123 SMT
Part NumberMMSZ5231BT1G
ManufacturerON Semiconductor
AvailabilityIn stock — ships fast
Specifications
NSN5961-01-443-9465 (NSN)
Federal Item NameSEMICONDUCTOR DEVICE,DIODE
MaterialSILICON SEMICONDUCTOR; PLASTIC ENCLOSURE
Terminals2 PIN
Mounting MethodTERMINAL
Overall Length0.112 INCHES MAXIMUM
Overall Width0.067 INCHES MAXIMUM
Voltage Rating In Volts Per Charac0.9 MAXIMUM FORWARD VOLTAGE, AVERAGE
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 MMSZ5231BT1G in stock?
Yes — MMSZ5231BT1G is in our stock database. Request a quote for current pricing and lead time.
Is MMSZ5231BT1G by ON Semiconductor obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MMSZ5231BT1G 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 MMSZ5231BT1G?
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 MMSZ5231BT1G?
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.