MIL-SPEC · Electronic Components
CB21QE511G
Capacitor, Fixed, Mica Dielectric
Part NumberCB21QE511G
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5910-00-754-7613 (NSN)
Federal Item NameCAPACITOR,FIXED,MICA DIELECTRIC
Federal Supply Class5910 — Capacitors
Reliability IndicatorNOT ESTABLISHED
Insulation Resistance At Maximum O15000.0 MEGOHMS
Nonderated Continuous Voltage Rati500.0 DC SINGLE SECTION
Capacitance Value Per Section510.000 PICOFARADS SINGLE SECTION
Mounting Facility Type And Quantit1 THREADED MOUNTING HOLES
Tolerance Range Per Section-2.00 TO 2.00 PERCENT SINGLE SECTION
Body Diameter0.450 INCHES NOMINAL
Schematic Diagram DesignatorELECTRODE(S) GROUNDED TO CASE, W/GND TERMINAL
Body Length0.380 INCHES NOMINAL
Temp Coefficient Of Capacitance Ra-20.0 TO 100.0 SINGLE SECTION
Nonderated Operating Temp-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM
Cancelled NSN5910-00-256-5599 (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 CB21QE511G available?
We can source CB21QE511G 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 CB21QE511G by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CB21QE511G 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 CB21QE511G?
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 CB21QE511G?
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.