Micrel · Electronic Components
MIC2940A-12WU
IC REG LDO 1.25A 12V TO-263
Part NumberMIC2940A-12WU
ManufacturerMicrel
AvailabilityAvailable to order — request a quote
Specifications
NSN5963-01-697-6673 (NSN)
Federal Item NameREGULATOR,VOLTAGE
Operating Temp Range-40.0 TO 125.0 CELSIUS
Overall Length14.605 MILLIMETERS MINIMUM AND 15.875 MILLIMETERS MAXIMUM
Overall Width10.058 MILLIMETERS MINIMUM AND 10.668 MILLIMETERS MAXIMUM
Overall Height4.318 MILLIMETERS MINIMUM AND 4.597 MILLIMETERS MAXIMUM
Special FeaturesTO-263-3 PACKAGE
Regulation MethodLINE VOLTAGE
Supplementary FeaturesTUBE PACKAGING
Output Current Rating1.25 AMPERES NOMINAL
Input Voltage Rating In Volts12.0 MAXIMUM
Output Current TypeDC
Federal Supply Class5963 — Electronic Modules
Input Current TypeDC
Output Voltage Rating In Volts12.0 NOMINAL
ESD/EMICode A — ESD/EMI sensitive item
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 MIC2940A-12WU available?
We can source MIC2940A-12WU 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 MIC2940A-12WU by Micrel obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MIC2940A-12WU 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 MIC2940A-12WU?
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 MIC2940A-12WU?
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.