MIL-SPEC · Electronic Components
CB55RF221G
Capacitor, Fixed, Mica Dielectric
Part NumberCB55RF221G
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5910-01-197-9101 (NSN)
Federal Item NameCAPACITOR,FIXED,MICA DIELECTRIC
Federal Supply Class5910 — Capacitors
Body StyleBUTTON TYPE, W/MTG TABS
Test Data Document81349-MIL-C-10950 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DA
Terminal Surface TreatmentGOLD OR SILVER OR SOLDER
Dissipation Factor At Reference Te0.0007
Insulation Resistance At Reference100000.0 MEGOHMS
Precious Material And LocationTERMINAL AND CASE SURFACES GOLD OR TERMINAL AND CASE SURFACES SILVER
Terminal Type And Quantity2 TAB, SOLDER LUG
Body Diameter0.505 INCHES NOMINAL
Insulation Resistance At Maximum O15000.0 MEGOHMS
Temp Coefficient Of Capacitance Ra-60.0 TO 60.0 SINGLE SECTION
Schematic Diagram DesignatorFEEDTHROUGH
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 CB55RF221G available?
We can source CB55RF221G 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 CB55RF221G by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CB55RF221G 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 CB55RF221G?
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 CB55RF221G?
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.