Littelfuse, Inc. · Electronic Components
L25S500
Fuse, Cartridge
Part NumberL25S500
ManufacturerLittelfuse, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-00-252-1711 (NSN)
Federal Item NameFUSE,CARTRIDGE
Federal Supply Class5920 — Fuses and Lightning Arresters
Surface TreatmentNICKEL TERMINAL
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Overall Diameter1.500 INCHES NOMINAL
Circuit Over Current InterruptionNORMAL INSTANTANEOUS
Overall Length3.844 INCHES NOMINAL
Mounting Hole Diameter0.406 INCHES NOMINAL
Continuous Current Rating In Amps500.000
Terminal Thickness0.250 INCHES NOMINAL
Maximum Voltage Rating In Volts250.0 AC AND 250.0 DC
Interruption Indicator MethodOPAQUE BODY
Center To Center Distance Between2.781 INCHES NOMINAL
Vendor Part NumbersFWX500A
Cancelled NSN5920-00-477-3120 (cancelled)
ProducttraceabilityNo
RohscompliantYES
IscanonicalY
Hazardousfalse
RohsphthalatescompliantTBA
UseccnEAR99
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 L25S500 available?
We can source L25S500 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 L25S500 by Littelfuse, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If L25S500 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 L25S500?
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 L25S500?
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.