MIL-SPEC · Electronic Components
CM20C390K
Capacitor, Fixed, Mica Dielectric
Part NumberCM20C390K
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5910-00-101-5638 (NSN)
Federal Item NameCAPACITOR,FIXED,MICA DIELECTRIC
Federal Supply Class5910 — Capacitors
Terminal Type And Quantity2 UNINSULATED WIRE LEAD
Body Height0.468 INCHES NOMINAL
Tolerance Range Per Section-10.00 TO 10.00 PERCENT SINGLE SECTION
Temp Coefficient Of Capacitance Ra-200.0 TO 200.0 SINGLE SECTION
Capacitance Value Per Section39.000 PICOFARADS SINGLE SECTION
Nonderated Continuous Voltage Rati500.0 DC SINGLE SECTION
Schematic Diagram DesignatorNO COMMON OR GROUNDED ELECTRODE(S)
Body StyleW/O MTG FACILITIES, TERMINALS ON OPPOSITE SURFACES
Body Length0.797 INCHES NOMINAL
Reliability IndicatorNOT ESTABLISHED
Body Width0.218 INCHES NOMINAL
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 CM20C390K available?
We can source CM20C390K 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 CM20C390K by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CM20C390K 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 CM20C390K?
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 CM20C390K?
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.