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MIL-SPEC  · Electronic Components

M39003-01-2121

Capacitor, Fixed, Electrolytic

Part NumberM39003-01-2121
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCAPACITOR,FIXED,ELECTROLYTIC
Federal Supply Class5910 — Capacitors
Body StyleW/O MTG FACILITIES, AXIAL TERMINALS
Reliability Failure Rate Level In2.0000
Nonderated Operating Temp-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM
Features ProvidedHERMETICALLY SEALED CASE
Electrical PolarizationPOLARIZED
Dc Leakage At Maximum Operating Te14.0 MICROAMPERES
Tolerance Range Per Section-10.00 TO 10.00 PERCENT SINGLE SECTION
Body Length0.474 INCHES NOMINAL
Anode TypeSOLID
Terminal Diameter0.020 INCHES NOMINAL
Body Diameter0.185 INCHES NOMINAL
Cancelled NSN5910-00-982-6664 (cancelled)
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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 M39003-01-2121 available?
We can source M39003-01-2121 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 M39003-01-2121 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M39003-01-2121 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 M39003-01-2121?
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 M39003-01-2121?
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.