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Lockheed Martin Corp.  · Electronic Components

ST79D137-4

Light Emitting Diode

Part NumberST79D137-4
ManufacturerLockheed Martin Corp.
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameLIGHT EMITTING DIODE
Federal Supply Class5980 — Optoelectronic Devices
Voltage Rating In Volts Per Charac5.25 MAXIMUM FORWARD VOLTAGE, PEAK
Features ProvidedELECTROSTATIC SENSITIVE
MaterialPLASTIC ENCLOSURE
Semiconductor MaterialGALLIUM ARSENIDE PHOSPHIDE
Current Rating Per Characteristic35.00 MILLIAMPERES MAXIMUM FORWARD CURRENT, DC
Internal Junction ConfigurationPN
Overall Diameter0.290 INCHES MAXIMUM
Maximum Operating Temp Per Measure85.0 CELSIUS JUNCTION
Color Tone Produced Per SourceGREEN LENS
Terminal Type And Quantity2 UNINSULATED WIRE LEAD
Overall Length0.710 INCHES MAXIMUM
Vendor Part Numbers15082-31, 415-0526-001
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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 ST79D137-4 available?
We can source ST79D137-4 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 ST79D137-4 by Lockheed Martin Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If ST79D137-4 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 ST79D137-4?
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 ST79D137-4?
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.