Littelfuse · Electronic Components
313003
FUSE 3 AMP, SLO-BLO
Part Number313003
ManufacturerLittelfuse
AvailabilityIn stock — ships fast
Specifications
NSN5920-00-436-0031 (NSN)
Federal Item NameFUSE,CARTRIDGE
Federal Supply Class5920 — Fuses and Lightning Arresters
Circuit Over Current InterruptionTIME DELAY
Overall Length1.250 INCHES NOMINAL
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Interruption Indicator MethodVISIBLE ELEMENT
Body StyleTUBE TYPE
Continuous Current Rating In Amps3.000
Maximum Voltage Rating In Volts250.0 AC
Overall Diameter0.250 INCHES NOMINAL
Vendor Part Numbers190048
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 313003 in stock?
Yes — 313003 is in our stock database. Request a quote for current pricing and lead time.
Is 313003 by Littelfuse obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 313003 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 313003?
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 313003?
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.