Raytheon Company · Electronic Components
257934-3
Capacitor, Fixed, Mica Dielectric
Part Number257934-3
ManufacturerRaytheon Company
AvailabilityAvailable to order — request a quote
Specifications
NSN5910-00-195-9803 (NSN)
Federal Item NameCAPACITOR,FIXED,MICA DIELECTRIC
Federal Supply Class5910 — Capacitors
Body Length0.085 INCHES NOMINAL
Nonderated Continuous Voltage Rati300.0 DC SINGLE SECTION
Terminal Type And Quantity1 UNTHREADED HOLE
Terminal Surface TreatmentSILVER
Schematic Diagram DesignatorELECTRODE(S) GROUNDED TO CASE
Body Diameter0.450 INCHES NOMINAL
Body StyleBUTTON TYPE, W/MTG TABS
Nonderated Operating Temp-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM
Reliability IndicatorNOT ESTABLISHED
Temp Coefficient Of Capacitance Ra-100.0 TO 100.0 SINGLE SECTION
Capacitance Value Per Section470.000 PICOFARADS 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 257934-3 available?
We can source 257934-3 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 257934-3 by Raytheon Company obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 257934-3 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 257934-3?
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 257934-3?
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.