Mersen USA Ep · Electronic Components
A6Y40-1R
Fuse, Cartridge
Part NumberA6Y40-1R
ManufacturerMersen USA Ep
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-00-812-8730 (NSN)
Federal Item NameFUSE,CARTRIDGE
Federal Supply Class5920 — Fuses and Lightning Arresters
Interruption Indicator MethodOPAQUE BODY
Maximum Voltage Rating In Volts600.0 AC AND 600.0 DC
MaterialCOPPER TERMINAL
Continuous Current Rating In Amps40.000
Circuit Over Current InterruptionNORMAL INSTANTANEOUS
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Overall Diameter0.981 INCHES NOMINAL
Surface TreatmentNICKEL TERMINAL
Overall Length5.469 INCHES NOMINAL
Body StyleTUBE TYPE
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 A6Y40-1R available?
We can source A6Y40-1R 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 A6Y40-1R by Mersen USA Ep obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If A6Y40-1R 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 A6Y40-1R?
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 A6Y40-1R?
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.