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Fairchild Semiconductor  · Electronic Components

LM339M

IC COMPARATOR QUAD 14-SOP

Part NumberLM339M
ManufacturerFairchild Semiconductor
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameMICROCIRCUIT,LINEAR
Operating Temp Range-55.0 TO 125.0 CELSIUS
Storage Temp Range-65.0 TO 150.0 CELSIUS
Voltage Rating5.0 VOLTS NOMINAL POWER SOURCE
Design Function4 COMPARATOR
Terminals14 GULLWING
Enclosure ConfigurationDUAL-IN-LINE
Enclosure MaterialPLASTIC
Terminal Surface TreatmentSOLDER
Features ProvidedBURN IN AND BIPOLAR
Body Length0.337 INCHES MINIMUM AND 0.344 INCHES MAXIMUM
Federal Supply Class5962 — Microcircuits, Electronic
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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

Frequently asked

Is LM339M available?
We can source LM339M 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 LM339M by Fairchild Semiconductor obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If LM339M 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 LM339M?
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 LM339M?
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.