Sprague Electric Co World HQs · Electronic Components
31D51
Capacitor, Fixed, Electrolytic
Part Number31D51
ManufacturerSprague Electric Co World HQs
AvailabilityAvailable to order — request a quote
Specifications
NSN5910-00-222-6152 (NSN)
Federal Item NameCAPACITOR,FIXED,ELECTROLYTIC
Federal Supply Class5910 — Capacitors
Body StyleW/O MTG FACILITIES, AXIAL TERMINALS
Tolerance Range Per Section-10.00 TO 100.00 PERCENT SINGLE SECTION
Body Diameter0.180 INCHES NOMINAL
MaterialPLASTIC CASE
Equivalent Series Resistance At Re500.00
Terminal Surface TreatmentSOLDER
Capacitive Electrode MaterialALUMINUM
Dc Leakage At Reference Temp0.060 MICROAMPERES
Schematic Diagram DesignatorNO COMMON OR GROUNDED ELECTRODE(S)
Body Length0.570 INCHES MAXIMUM
Nonderated Continuous Voltage Rati15.0 DC SINGLE SECTION
Vendor Part Numbers106568-051
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 31D51 available?
We can source 31D51 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 31D51 by Sprague Electric Co World HQs obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 31D51 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 31D51?
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 31D51?
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.