Littelfuse, Inc. · Electronic Components
SFE4
Fuse, Cartridge
Part NumberSFE4
ManufacturerLittelfuse, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-00-725-1804 (NSN)
Federal Item NameFUSE,CARTRIDGE
Federal Supply Class5920 — Fuses and Lightning Arresters
Surface TreatmentSILVER TERMINAL
Overall Length0.594 INCHES NOMINAL
Interruption Indicator MethodVISIBLE ELEMENT
Maximum Voltage Rating In Volts32.0 AC AND 32.0 DC
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Terminal Diameter0.250 INCHES NOMINAL
Continuous Current Rating In Amps4.000
Overall Diameter0.250 INCHES NOMINAL
Circuit Over Current InterruptionNORMAL INSTANTANEOUS
MaterialCOPPER TERMINAL
Body StyleTUBE TYPE
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 SFE4 available?
We can source SFE4 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 SFE4 by Littelfuse, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SFE4 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 SFE4?
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 SFE4?
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.