Mersen USA Ep · Electronic Components
ATQ3
Fuse, Cartridge
Part NumberATQ3
ManufacturerMersen USA Ep
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-01-240-8021 (NSN)
Federal Item NameFUSE,CARTRIDGE
Federal Supply Class5920 — Fuses and Lightning Arresters
Surface TreatmentNICKEL TERMINAL
Overall Diameter0.406 INCHES NOMINAL
Circuit Over Current Interruption12.0 200 PCT OF CURRENT RATING
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Overall Length1.500 INCHES NOMINAL
Interruption Indicator MethodOPAQUE BODY
Maximum Voltage Rating In Volts500.0 AC
Continuous Current Rating In Amps3.000
MaterialFIBER CASE
Body StyleTUBE TYPE
Cancelled NSN5920-01-048-9207 (cancelled)
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 ATQ3 available?
We can source ATQ3 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 ATQ3 by Mersen USA Ep obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If ATQ3 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 ATQ3?
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 ATQ3?
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.