MIL-SPEC · Electronic Components
CM20C681J
Capacitor, Fixed, Mica Dielectric
Part NumberCM20C681J
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5910-00-552-1443 (NSN)
Federal Item NameCAPACITOR,FIXED,MICA DIELECTRIC
Federal Supply Class5910 — Capacitors
Capacitance Value Per Section680.000 PICOFARADS SINGLE SECTION
Body Width0.219 INCHES NOMINAL
Body StyleW/O MTG FACILITIES, TERMINALS ON OPPOSITE SURFACES
Insulation Resistance At Maximum O15000.0 MEGOHMS
Nonderated Continuous Voltage Rati300.0 DC SINGLE SECTION
Terminal Surface TreatmentSOLDER
Insulation Resistance At Reference100000.0 MEGOHMS
MaterialPLASTIC CASE
Temp Coefficient Of Capacitance Ra-200.0 TO 200.0 SINGLE SECTION
Body Height0.469 INCHES NOMINAL
Schematic Diagram DesignatorNO COMMON OR GROUNDED ELECTRODE(S)
Cancelled NSN5910-00-642-6513 (cancelled)
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 CM20C681J available?
We can source CM20C681J 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 CM20C681J by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CM20C681J 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 CM20C681J?
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 CM20C681J?
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.