Fluke Corp. · Electronic Components
643833
Fuse, Cartridge
Part Number643833
ManufacturerFluke Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-01-242-7440 (NSN)
Federal Item NameFUSE,CARTRIDGE
Federal Supply Class5920 — Fuses and Lightning Arresters
Overall Diameter0.406 INCHES NOMINAL
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Maximum Voltage Rating In Volts300.0 AC AND 300.0 DC
Circuit Over Current InterruptionNORMAL INSTANTANEOUS
Terminal Diameter0.040 INCHES NOMINAL
Overall Length1.312 INCHES NOMINAL
Terminal Length0.547 INCHES NOMINAL
Interruption Indicator MethodOPAQUE BODY
Continuous Current Rating In Amps3.000
MaterialFIBER CASE
Body StyleTANGENT LEADS
Vendor Part NumbersSC-3-1J0272
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 643833 available?
We can source 643833 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 643833 by Fluke Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 643833 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 643833?
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 643833?
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.