Custom Electronics · Electronic Components
CER1A21SP
Capacitor, Fixed, Mica Dielectric
Part NumberCER1A21SP
ManufacturerCustom Electronics
AvailabilityAvailable to order — request a quote
Specifications
NSN5910-00-782-4926 (NSN)
Federal Item NameCAPACITOR,FIXED,MICA DIELECTRIC
Federal Supply Class5910 — Capacitors
Insulation Resistance At Reference15000.0 MEGOHMS
Dissipation Factor At Reference Te0.600
MaterialPLASTIC CASE
Terminal Diameter0.051 INCHES NOMINAL
Nonderated Operating Temp-55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM
Body Length3.220 INCHES NOMINAL
Schematic Diagram DesignatorONE TERMINAL COMMON TO EACH SECTION
Body Width2.640 INCHES NOMINAL
Mounting Facility Type And Quantit4 UNTHREADED MOUNTING HOLES
Tolerance Range Per Section-10.00 TO 10.00 PERCENT 1ST SECTION AND -10.00 TO 10.00 PERCENT 2ND SECTION
Capacitance Value Per Section0.300 MICROFARADS 1ST SECTION AND 0.180 MICROFARADS 2ND SECTION
Cancelled NSN5910-00-401-0109 (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 CER1A21SP available?
We can source CER1A21SP 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 CER1A21SP by Custom Electronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CER1A21SP 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 CER1A21SP?
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 CER1A21SP?
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.