Littelfuse, Inc. · Electronic Components
1043
Fuse, Cartridge
Part Number1043
ManufacturerLittelfuse, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-00-356-2199 (NSN)
Federal Item NameFUSE,CARTRIDGE
Federal Supply Class5920 — Fuses and Lightning Arresters
Maximum Voltage Rating In Volts250.0 DC
Interruption Indicator MethodVISIBLE ELEMENT
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Overall Diameter0.250 INCHES NOMINAL
Circuit Over Current InterruptionNORMAL INSTANTANEOUS
Continuous Current Rating In Amps3.000
MaterialGLASS CASE
Overall Length1.250 INCHES NOMINAL
Surface TreatmentNICKEL TERMINAL
Body StyleTUBE TYPE
Vendor Part Numbers312003, 221603-302, 0C221603-302
Cancelled NSN5920-00-004-6377 (cancelled)
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 1043 available?
We can source 1043 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 1043 by Littelfuse, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1043 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 1043?
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 1043?
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.