Littelfuse, Inc. · Electronic Components
CNN250
Fuse, Enclosed Link
Part NumberCNN250
ManufacturerLittelfuse, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-01-162-6171 (NSN)
Federal Item NameFUSE,ENCLOSED LINK
Federal Supply Class5920 — Fuses and Lightning Arresters
Surface TreatmentSILVER TERMINAL
Maximum Voltage Rating In Volts125.0 AC
Terminal Length0.875 INCHES NOMINAL
Precious Material And LocationTERMINAL SURFACES SILVER
Terminal Thickness0.047 INCHES NOMINAL
Precious MaterialSILVER
Interruption Indicator MethodVISIBLE ELEMENT
Overall Height0.359 INCHES NOMINAL
Center To Center Distance Between2.438 INCHES NOMINAL
Overall Length3.188 INCHES NOMINAL
Mounting Slot Width0.344 INCHES NOMINAL
Vendor Part NumbersANN-250
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 CNN250 available?
We can source CNN250 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 CNN250 by Littelfuse, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CNN250 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 CNN250?
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 CNN250?
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.