Lucent Technologies Inc. Corporate Headquarters · Electronic Components
KS9943-78
Capacitor, Fixed, Mica Dielectric
Part NumberKS9943-78
ManufacturerLucent Technologies Inc. Corporate Headquarters
AvailabilityAvailable to order — request a quote
Specifications
NSN5910-00-183-9118 (NSN)
Federal Item NameCAPACITOR,FIXED,MICA DIELECTRIC
Federal Supply Class5910 — Capacitors
Terminal Surface TreatmentSOLDER
Nonderated Continuous Voltage Rati500.0 DC SINGLE SECTION
Capacitance Value Per Section25.000 PICOFARADS SINGLE SECTION
Temp Coefficient Of Capacitance Ra-200.0 TO 200.0 SINGLE SECTION
Body Diameter0.463 INCHES MAXIMUM
Mounting Facility Type And Quantit1 THREADED MOUNTING HOLES
Body Length0.328 INCHES MAXIMUM
Nonderated Operating Temp-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM
Schematic Diagram DesignatorELECTRODE(S) GROUNDED TO CASE
Terminal Length0.328 INCHES NOMINAL
Tolerance Range Per Section-2.50 TO 2.50 PERCENT SINGLE SECTION
Vendor Part NumbersBA107310-3A
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 KS9943-78 available?
We can source KS9943-78 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 KS9943-78 by Lucent Technologies Inc. Corporate Headquarters obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If KS9943-78 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 KS9943-78?
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 KS9943-78?
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.