Texas Instruments · Electronic Components
LM139J
Comparator Quad ±15V/30V 14-Pin CDIP Tube
Part NumberLM139J
ManufacturerTexas Instruments
AvailabilityAvailable to order — request a quote
Specifications
NSN5962-01-049-3523 (NSN)
Additional NSNs5962-01-192-4092, 5962-01-205-8010
Federal Item NameMICROCIRCUIT,LINEAR
Operating Temp Range-55.0 TO 125.0 CELSIUS
Storage Temp Range-65.0 TO 150.0 CELSIUS
Voltage Rating36.0 VOLTS MAXIMUM POWER SOURCE
Max Power Dissipation900.0 MILLIWATTS
Design Function4 COMPARATOR, VOLTAGE
Terminals14 PRINTED CIRCUIT
Enclosure ConfigurationDUAL-IN-LINE
Enclosure MaterialCERAMIC AND GLASS
Terminal Surface TreatmentSOLDER
Features ProvidedMONOLITHIC AND HERMETICALLY SEALED AND POSITIVE OUTPUTS AND LOW POWER
Federal Supply Class5962 — Microcircuits, Electronic
Cancelled NSN5962-01-211-3566 (cancelled)
NSN Cancelled Date01-NOV-2017
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 LM139J available?
We can source LM139J 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 LM139J by Texas Instruments obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If LM139J 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 LM139J?
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 LM139J?
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.