onsemi · Electronic Components
MMSZ12T1
SEMICONDUCTOR DEVICE,DIODE — NSN 5961-01-557-1191
Part NumberMMSZ12T1
Manufactureronsemi
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-557-1191 (NSN)
Federal Item NameSEMICONDUCTOR DEVICE,DIODE
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
MaterialSILICON SEMICONDUCTOR; PLASTIC ENCLOSURE
Overall Length0.140 INCHES MINIMUM AND 0.152 INCHES MAXIMUM
Overall Width0.055 INCHES MINIMUM AND 0.071 INCHES MAXIMUM
Overall Height0.037 INCHES MINIMUM AND 0.053 INCHES MAXIMUM
Special FeaturesZENER VOLTAGE - 11.4 TO 12.6 V AND 11.2 TO 12.7 V; ZENER IMPEDANCE - 90 OHMS AND 600 OHMS; 500 MW RATING; SURFACE MOUNT;
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 MMSZ12T1 available?
We can source MMSZ12T1 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 MMSZ12T1 by onsemi obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MMSZ12T1 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 MMSZ12T1?
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 MMSZ12T1?
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.