Littelfuse · Electronic Components
504220
Fuse Link, Thermal
Part Number504220
ManufacturerLittelfuse
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-00-258-6680 (NSN)
Federal Item NameFUSE LINK,THERMAL
Federal Supply Class5920 — Fuses and Lightning Arresters
Body StyleTANGENT TYPE
Maximum Voltage Rating In Volts250.0 AC
Continuous Current Rating In Amps10.000
Element Melting Temp150.0 CELSIUS
Overall Length1.837 INCHES NOMINAL
Body Height0.158 INCHES NOMINAL
Interruption Indicator MethodOPAQUE BODY
Temp Rating104.0 CELSIUS
Vendor Part NumbersG4A00104C
Cancelled NSN5905-01-101-7660 (cancelled)
RohscompliantYES
Ip Rating-
Hazardousfalse
RohsphthalatescompliantYES
Product Range-
IscanonicalY
Contact Voltage Ac Max-
Contact ConfigurationDPST-NO
SvhcNo SVHC (04-Feb-2026)
Switch TerminalsM8 Connector
Contact Current Ac Max-
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 504220 available?
We can source 504220 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 504220 by Littelfuse obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 504220 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 504220?
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 504220?
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.