MIL-SPEC · Electronic Components
CL21BG400UPE
Capacitor, Fixed, Electrolytic
Part NumberCL21BG400UPE
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5910-00-134-9609 (NSN)
Federal Item NameCAPACITOR,FIXED,ELECTROLYTIC
Federal Supply Class5910 — Capacitors
Nonderated Operating Temp-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM
Electrical PolarizationPOLARIZED
Terminal Length1.500 INCHES NOMINAL
Capacitance Value Per Section40.000 MICROFARADS SINGLE SECTION
Nonderated Continuous Voltage Rati25.0 DC SINGLE SECTION
Body Diameter0.312 INCHES MAXIMUM
Body Length0.906 INCHES NOMINAL
Schematic Diagram DesignatorELECTRODE(S) GROUNDED TO CASE, W/GND TERMINAL
Dc Leakage At Maximum Operating Te15.0 MILLIAMPERES
Impedance At Minimum Operating Tem83.0
Anode TypeETCHED FOIL
Cancelled NSN5910-00-052-2909 (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 CL21BG400UPE available?
We can source CL21BG400UPE 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 CL21BG400UPE by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CL21BG400UPE 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 CL21BG400UPE?
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 CL21BG400UPE?
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.