National Semiconductor · Electronic Components
LM2937ES-12
IC, LDO VOLT REG, 12V, 0.5A, TO-263
Part NumberLM2937ES-12
ManufacturerNational Semiconductor
AvailabilityAvailable to order — request a quote
Specifications
NSN5962-01-456-0289 (NSN)
Federal Item NameMICROCIRCUIT,LINEAR
Operating Temp Range-40.0 TO 125.0 CELSIUS
Voltage Rating12.0 VOLTS NOMINAL TOTAL SUPPLY
Design Function1 REGULATOR, CURRENT
Terminals3 PIN
Enclosure ConfigurationLEADLESS FLAT PACK
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 LM2937ES-12 available?
We can source LM2937ES-12 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 LM2937ES-12 by National Semiconductor obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If LM2937ES-12 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 LM2937ES-12?
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 LM2937ES-12?
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.