Mersen USA Ep · Electronic Components
A4J100
Fuse, Cartridge
Part NumberA4J100
ManufacturerMersen USA Ep
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-01-023-0040 (NSN)
Federal Item NameFUSE,CARTRIDGE
Federal Supply Class5920 — Fuses and Lightning Arresters
Surface TreatmentNICKEL TERMINAL
Mounting Slot Width0.281 INCHES NOMINAL
Continuous Current Rating In Amps100.000
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Overall Length4.625 INCHES NOMINAL
Overall Diameter1.000 INCHES NOMINAL
Circuit Over Current Interruption10.0 500 PCT OF CURRENT RATING
Interruption Indicator MethodOPAQUE BODY
Center To Center Distance Between3.625 INCHES NOMINAL
Terminal Thickness0.125 INCHES NOMINAL
Maximum Voltage Rating In Volts600.0 AC
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 A4J100 available?
We can source A4J100 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 A4J100 by Mersen USA Ep obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If A4J100 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 A4J100?
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 A4J100?
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.