B. Microfarads, Inc. · Electronic Components
40D1241
Capacitor, Fixed, Electrolytic
Part Number40D1241
ManufacturerB. Microfarads, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5910-01-107-1943 (NSN)
Federal Item NameCAPACITOR,FIXED,ELECTROLYTIC
Federal Supply Class5910 — Capacitors
Nonderated Continuous Voltage Rati400.0 DC SINGLE SECTION
Case Insulation MaterialPLASTIC
Terminal Length1.500 INCHES MINIMUM
Capacitance Value Per Section3.500 MICROFARADS SINGLE SECTION
Schematic Diagram DesignatorNO COMMON OR GROUNDED ELECTRODE(S)
Equivalent Series Resistance At Re57.00
Terminal Surface TreatmentCOPPER
Terminal Diameter0.032 INCHES NOMINAL
Capacitive Electrode MaterialALUMINUM
Tolerance Range Per Section-10.00 TO 100.00 PERCENT SINGLE SECTION
Electrical PolarizationPOLARIZED
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 40D1241 available?
We can source 40D1241 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 40D1241 by B. Microfarads, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 40D1241 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 40D1241?
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 40D1241?
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.