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FDD3N40TM — DPAK / D2PAK (TO-252/263) package (representative)
DPAK / D2PAK (TO-252/263)
Representative of package type
Fairchild Semiconductor

FDD3N40TM

MOSFET · TO-252AA · Discrete Semiconductor
Part Status: Active
Data last refreshed Jul 28, 2026
Manufacturer
Fairchild Semiconductor
Mfr Part #
FDD3N40TM
Category
MOSFET
Datasheet
View datasheet ↗
Availability & Pricing
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Product Attributes

Electrical & Parametric
Vds400 V
Id2.5 A
Rds(On)3.4 Ω
Pd50 W
Physical & Thermal
Package / CaseTO-252AA
Mounting TypeSurface Mount
Operating Temperature-55°C ~ 150°C
Classification & Lifecycle
CategoryMOSFET
TypeDiscrete Semiconductor
Part StatusActive

N-Channel 400 V 2.5A (Tc) 50W (Tc) Surface Mount TO-252AA

Environmental & Export Classifications

RoHS Status
RoHS Compliant

Part Activity

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Engineering FAQ

What are the key specifications of FDD3N40TM?
Vds: 400 V; Id: 2.5 A; Rds(On): 3.4 Ω; Pd: 50 W.
What package is FDD3N40TM supplied in?
FDD3N40TM is supplied in the TO-252AA package, surface mount, rated -55°C ~ 150°C.
Can ZDI source FDD3N40TM beyond the quantities shown?
Yes — ZD Integrated Circuits specializes in sourcing hard-to-find, obsolete, and excess electronic components through its global network, with counterfeit-avoidance inspection on every lot. Submit an RFQ with your target quantity for availability and pricing.

Documents & Media

Quality & Counterfeit Avoidance

ISO 9001 ERAI Member ESD Certified GIDEP Participant ZDI EQuality Process CAGE Code 1V8K2

ZD Integrated Circuits operates an ISO 9001-certified quality system incorporating JEDEC-standard process-control elements. In an era of global sourcing and internet procurement, standards compliance alone no longer assures component authenticity — so ZDI pioneered a multi-layered counterfeit-avoidance program: supplier analysis at the source-country level, detailed component analysis, defined inspection standards for all incoming devices, and stringent supplier rating and review. These programs let ZDI guarantee the integrity and the source of every component it ships.

Every lot moves through ZDI's EQuality Process™ — validation, QI-1 and QI-2/camera inspection, RoHS verification, bake and bag-and-tag, and QI-3 final inspection — with Quality-Manager disposition before release. Nonconforming material is quarantined; conforming material is warehoused or shipped.

✓Multi-stage EQuality Process™ inspection (QI-1 · QI-2/camera · QI-3)
✓Source-country supplier analysis, rating & review
✓Incoming inspection, RoHS verification, bake, full lot traceability
✓ESD-controlled handling · authentic parts guaranteed

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