Fairchild Semiconductor · Electronic Components
FQD6N40CTM
MOSFET N-CH 400V 4.5A DPAK
Part NumberFQD6N40CTM
ManufacturerFairchild Semiconductor
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-689-7686 (NSN)
Federal Item NameTRANSISTOR
Current Rating4.5 AMPERES MAXIMUM DRAIN CURRENT
Terminals3 PRINTED CIRCUIT
Mounting MethodTERMINAL
Overall Length9.40 MILLIMETERS MINIMUM AND 10.41 MILLIMETERS MAXIMUM
Overall Width6.35 MILLIMETERS MINIMUM AND 6.73 MILLIMETERS MAXIMUM
Overall Height2.18 MILLIMETERS MINIMUM AND 2.39 MILLIMETERS MAXIMUM
Special FeaturesDEVICE MARKING PN IS FQD6N40C
Function For Which DesignedSWITCHING
Mounting Facility Quantity3
Maximum Operating Temp Per Measure150.0 CELSIUS JUNCTION
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
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 FQD6N40CTM available?
We can source FQD6N40CTM 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 FQD6N40CTM by Fairchild Semiconductor obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If FQD6N40CTM 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 FQD6N40CTM?
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 FQD6N40CTM?
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.