Sprague Electric Co World Hqs · Electronic Components
D28991
Capacitor, Fixed, Electrolytic
Part NumberD28991
ManufacturerSprague Electric Co World Hqs
AvailabilityAvailable to order — request a quote
Specifications
NSN5910-00-050-7460 (NSN)
Federal Item NameCAPACITOR,FIXED,ELECTROLYTIC
Federal Supply Class5910 — Capacitors
Body StyleW/O MTG FACILITIES, AXIAL TERMINALS
Electrical PolarizationPOLARIZED
Tolerance Range Per Section-10.00 TO 100.00 PERCENT SINGLE SECTION
Features ProvidedHERMETICALLY SEALED CASE
Capacitance Value Per Section20.000 MICROFARADS SINGLE SECTION
Body Length1.250 INCHES NOMINAL
Body Diameter0.500 INCHES NOMINAL
Anode TypePLAIN FOIL
Nonderated Continuous Voltage Rati75.0 DC SINGLE SECTION
Nonderated Operating Temp-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM
Schematic Diagram DesignatorELECTRODE(S) GROUNDED TO CASE, W/GND TERMINAL
Vendor Part Numbers770106-1
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 D28991 available?
We can source D28991 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 D28991 by Sprague Electric Co World Hqs obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If D28991 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 D28991?
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 D28991?
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.