Littelfuse · Electronic Components
R451005
FUSE,CARTRIDGE — NSN 5920-01-519-4984
Part NumberR451005
ManufacturerLittelfuse
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-01-519-4984 (NSN)
Federal Item NameFUSE,CARTRIDGE
Overall Length5.9 MILLIMETERS MINIMUM AND 6.3 MILLIMETERS MAXIMUM
Overall Width1.3 MILLIMETERS NOMINAL
Body StyleTAB TYPE
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Special FeaturesNAME ASSIGNED BY MANUFACTURER BRICK FUSES FAST ACTING
Continuous Current Rating In Amps50.000
Body Diameter2.5 MILLIMETERS MINIMUM AND 2.8 MILLIMETERS MAXIMUM
Interruption Indicator MethodBODY-VISUAL OR ALARM
Maximum Voltage Rating In Volts125.0 AC AND 125.0 DC
Circuit Over Current InterruptionNORMAL INSTANTANEOUS
Federal Supply Class5920 — Fuses, Arrestors, Absorbers, And Protectors
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 R451005 available?
We can source R451005 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 R451005 by Littelfuse obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If R451005 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 R451005?
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 R451005?
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.