Littelfuse · Electronic Components
JLLN250.X
FUSE F/A CLASS T 250A 300V
Part NumberJLLN250.X
ManufacturerLittelfuse
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-01-654-5796 (NSN)
Federal Item NameFUSE,CARTRIDGE
MaterialPLASTIC MELAMINE CASE; COPPER TERMINAL
Overall Length2.750 INCHES NOMINAL
Overall Diameter1.312 INCHES NOMINAL
Body StyleHOLE TYPE
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Interruption Indicator MethodNO VISUAL INDICATION
Circuit Over Current InterruptionNORMAL INSTANTANEOUS
Terminal Thickness0.250 INCHES NOMINAL
Continuous Current Rating In Amps250.0
Center To Center Distance Between1.843 INCHES NOMINAL
Federal Supply Class5920 — Fuses, Arrestors, Absorbers, And Protectors
Mounting Hole Diameter0.406 INCHES NOMINAL
Vendor Part NumbersF-250T
ESD/EMICode A — ESD/EMI sensitive item
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 JLLN250.X available?
We can source JLLN250.X 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 JLLN250.X by Littelfuse obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If JLLN250.X 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 JLLN250.X?
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 JLLN250.X?
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.