Littelfuse · Electronic Components
273.125
Fuse, Cartridge
Part Number273.125
ManufacturerLittelfuse
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-00-055-8431 (NSN)
Federal Item NameFUSE,CARTRIDGE
Federal Supply Class5920 — Fuses and Lightning Arresters
MaterialGLASS CASE
Maximum Voltage Rating In Volts125.0 AC AND 125.0 DC
Overall Diameter0.250 INCHES NOMINAL
Body Length0.348 INCHES NOMINAL
Terminal Diameter0.032 INCHES NOMINAL
Center To Center Distance Between0.100 INCHES NOMINAL
Terminal Length0.170 INCHES NOMINAL
Overall Length0.518 INCHES NOMINAL
Continuous Current Rating In Amps0.125
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Circuit Over Current InterruptionNORMAL INSTANTANEOUS
Cancelled NSN5920-00-988-7895 (cancelled)
RohscompliantY-EX
Hazardousfalse
RohsphthalatescompliantYES
Rated Current152 A
Product RangeW Series
IscanonicalY
Load Side Connections Per Pole8
Line Side Wire Size Max-
Load Side Connection MethodScrew
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 273.125 available?
We can source 273.125 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 273.125 by Littelfuse obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 273.125 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 273.125?
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 273.125?
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.