Littelfuse · Electronic Components
266.125
Fuse, Cartridge
Part Number266.125
ManufacturerLittelfuse
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-01-223-9328 (NSN)
Federal Item NameFUSE,CARTRIDGE
Federal Supply Class5920 — Fuses and Lightning Arresters
Precious Material And LocationTERMINALS GOLD
Overall Diameter0.093 INCHES NOMINAL
Precious MaterialGOLD
Continuous Current Rating In Amps0.125
Terminal Diameter0.025 INCHES NOMINAL
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Maximum Voltage Rating In Volts125.0 AC AND 125.0 DC
MaterialCOPPER TERMINAL
Overall Length0.330 INCHES NOMINAL
Interruption Indicator MethodVISIBLE ELEMENT
Terminal Length1.453 INCHES NOMINAL
Vendor Part Numbers3744W12P002
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 266.125 available?
We can source 266.125 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 266.125 by Littelfuse obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 266.125 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 266.125?
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 266.125?
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.