MIL-SPEC · Electronic Components
CM20B390J
Capacitor, Fixed, Mica Dielectric
Part NumberCM20B390J
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5910-00-100-8131 (NSN)
Federal Item NameCAPACITOR,FIXED,MICA DIELECTRIC
Federal Supply Class5910 — Capacitors
MaterialPLASTIC CASE
Capacitance Value Per Section39.000 PICOFARADS SINGLE SECTION
Body Height0.469 INCHES NOMINAL
Terminal Type And Quantity2 UNINSULATED WIRE LEAD
Body StyleW/O MTG FACILITIES, TERMINALS ON OPPOSITE SURFACES
Body Width0.219 INCHES NOMINAL
Reliability IndicatorNOT ESTABLISHED
Body Length0.797 INCHES NOMINAL
Tolerance Range Per Section-5.00 TO 5.00 PERCENT SINGLE SECTION
Schematic Diagram DesignatorNO COMMON OR GROUNDED ELECTRODE(S)
Nonderated Continuous Voltage Rati500.0 DC SINGLE SECTION
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 CM20B390J available?
We can source CM20B390J 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 CM20B390J by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CM20B390J 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 CM20B390J?
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 CM20B390J?
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.