Fairchild Semiconductor · Electronic Components
UA78M12HC
+12V fixed positive linear voltage regulator, 500mA (78M12 series)
Part NumberUA78M12HC
ManufacturerFairchild Semiconductor
AvailabilityAvailable to order — request a quote
Specifications
NSN5962-01-081-6358 (NSN)
Federal Item NameMICROCIRCUIT,LINEAR
Operating Temp Range+0.0 TO 150.0 CELSIUS
Design Function1 REGULATOR, VOLTAGE
Enclosure ConfigurationCAN
Terminal Surface TreatmentSOLDER
Case Outline DesignatorT0-39 JOINT ELECTRON DEVICE ENGINEERING COUNCIL
Body Outside Diameter0.315 INCHES MINIMUM AND 0.335 INCHES MAXIMUM
Input Circuit Pattern2 INPUT
Body Length0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
Federal Supply Class5962 — Microcircuits, Electronic
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 UA78M12HC available?
We can source UA78M12HC 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 UA78M12HC by Fairchild Semiconductor obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If UA78M12HC 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 UA78M12HC?
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 UA78M12HC?
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.