Raytheon · Electronic Components
277256-145
Capacitor, Fixed, Electrolytic
Part Number277256-145
ManufacturerRaytheon
AvailabilityAvailable to order — request a quote
Specifications
NSN5910-01-423-5245 (NSN)
Federal Item NameCAPACITOR,FIXED,ELECTROLYTIC
Federal Supply Class5910 — Capacitors
Body Height0.122 INCHES MAXIMUM
Schematic Diagram DesignatorNO COMMON OR GROUNDED ELECTRODE(S)
Nonderated Operating Temp-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM
Body Width0.157 INCHES MINIMUM AND 0.181 INCHES MAXIMUM
Body Length0.275 INCHES MINIMUM AND 0.299 INCHES MAXIMUM
Reliability IndicatorNOT ESTABLISHED
Dc Leakage At Maximum Operating Te24.0 MICROAMPERES
Electrical PolarizationPOLARIZED
Equivalent Series Resistance At Re12.00
Dc Leakage At Reference Temp2.400 MICROAMPERES
Dissipation Factor At Reference Te6.000
Vendor Part NumbersTSC685K035D, TAJY685K035, T491D685K035A, 293D685X9035D
Cancelled NSN5910-01-360-3065 (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 277256-145 available?
We can source 277256-145 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 277256-145 by Raytheon obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 277256-145 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 277256-145?
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 277256-145?
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.