MIL-SPEC · Electronic Components
CK12BX391K
Capacitor, Fixed, Ceramic Dielectr
Part NumberCK12BX391K
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5910-00-498-5633 (NSN)
Federal Item NameCAPACITOR,FIXED,CERAMIC DIELECTR
Federal Supply Class5910 — Capacitors
Capacitance Value Per Section390.000 PICOFARADS SINGLE SECTION
MaterialPLASTIC CASE
Insulation Resistance At Reference100000.0 MEGOHMS
Dissipation Factor At Reference Te2.5000
Terminal Surface TreatmentSOLDER
Body Diameter0.090 INCHES NOMINAL
Schematic Diagram DesignatorNO COMMON OR GROUNDED ELECTRODE(S)
Nonderated Operating Temp-55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM
Terminal Length1.250 INCHES MINIMUM
Reliability IndicatorNOT ESTABLISHED
Tolerance Range Per Section-10.00 TO 10.00 PERCENT SINGLE SECTION
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 CK12BX391K available?
We can source CK12BX391K 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 CK12BX391K by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CK12BX391K 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 CK12BX391K?
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 CK12BX391K?
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.