National Semiconductor · Electronic Components
LM337LZ
IC REG LIN NEG ADJ 100MA TO92-3
Part NumberLM337LZ
ManufacturerNational Semiconductor
AvailabilityIn stock — ships fast
Specifications
NSN5962-01-242-7983 (NSN)
Federal Item NameMICROCIRCUIT,LINEAR
Operating Temp Range-25.0 TO 125.0 CELSIUS
Storage Temp Range-55.0 TO 150.0 CELSIUS
Voltage Rating40.0 VOLTS MAXIMUM POWER SOURCE
Design Function1 REGULATOR, VOLTAGE
Terminals3 PIN
Enclosure ConfigurationSINGLE-IN-LINE
Enclosure MaterialPLASTIC
Terminal Surface TreatmentSOLDER
Features ProvidedADJUSTABLE AND NEGATIVE OUTPUTS AND THERMAL OVERLOAD PROTECTION AND W/CURRENT LIMITER
Case Outline DesignatorTO-92 JOINT ELECTRON DEVICE ENGINEERING COUNCIL
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 LM337LZ in stock?
Yes — LM337LZ is in our stock database. Request a quote for current pricing and lead time.
Is LM337LZ by National Semiconductor obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If LM337LZ 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 LM337LZ?
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 LM337LZ?
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.