FDU3N40TU ON Semiconductor MOSFET (N-Channel) (Transistor Outline, Vertical) In Stock

FDU3N40TU is a ON Semiconductor Diode for rectification and reverse-polarity protection. Key specs include 3 pins, 369A, and 4 W. Request quote pricing, in-stock sourcing, and worldwide shipping for production builds.

OBSOLETEMOSFET (N-Channel)Verified Jul 2026
Package / Visual Reference
FDU3N40TUTransistor Outline, Vertical
Quick Facts
Manufacturer
ON Semiconductor
Package
Transistor Outline, Vertical
Pin Count
3
Lifecycle
OBSOLETE
Category
MOSFET (N-Channel)
Price
From $0.1500(MOQ 25)
Temp Range
?°C to 150.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

What are the key features of FDU3N40TU?

  • Diode selected for rectification
  • Documented key rating: 3 pins
  • Additional electrical or mechanical rating: 369A
  • DPAK package with 3 pins for footprint verification
  • obsolete lifecycle status for sourcing review

What is FDU3N40TU used for?

FDU3N40TU is typically used in rectification, reverse-polarity protection, clamping, and power conversion circuits where the documented 3 pins, 369A, and 4 W ratings fit the electrical and mechanical design envelope. Buyers should confirm the datasheet, package footprint, and lifecycle status before approving it for production, repair, or substitute sourcing.

What are the specifications of FDU3N40TU?

Pbfree CodeYes
Manufacturer Package Code369AR
Factory Lead Time4Weeks
YTEOL0
Additional FeatureFAST SWITCHING
Avalanche Energy Rating (Eas)46mJ
Case ConnectionDRAIN
ConfigurationSINGLE WITH BUILT-IN DIODE
DS Breakdown Voltage-Min400V
Drain Current-Max (ID)2A
Drain-source On Resistance-Max3.4Ω
FET TechnologyMETAL-OXIDE SEMICONDUCTOR
JESD-30 CodeR-PSIP-T3
JESD-609 Codee3
Number of Elements1
Operating ModeENHANCEMENT MODE
Package Body MaterialPLASTIC/EPOXY
Package ShapeRECTANGULAR
Package StyleIN-LINE
Polarity/Channel TypeN-CHANNEL
Power Dissipation-Max (Abs)30W
Pulsed Drain Current-Max (IDM)8A
Qualification StatusNot Qualified
Surface MountNO
Terminal FinishMATTE TIN
Terminal FormTHROUGH-HOLE
Terminal PositionSINGLE
Transistor ApplicationSWITCHING
Transistor Element MaterialSILICON
PackageTransistor Outline, Vertical

Compliance & Regulatory

RoHS StatusCompliant
Lead-FreeYes (Pb-Free)
ECCNEAR99
Country of OriginMainland China

Where can I find the FDU3N40TU datasheet?

FDU3N40TU Datasheet Download

Official datasheet from ON Semiconductor

What are equivalent replacements for FDU3N40TU?

No known alternates. Submit an RFQ and our team can suggest alternatives.

Frequently Asked Questions

Which rectification designs fit FDU3N40TU when 3 pins is required?

FDU3N40TU fits designs needing a Diode with 3 pins and DPAK packaging. Engineers commonly use it in rectification, reverse-polarity protection, clamping, and power conversion circuits, while checking derating, layout limits, and the manufacturer datasheet.

How should assembly teams evaluate FDU3N40TU before approving the footprint?

Review the DPAK package details and confirm 3 pins against the PCB land pattern. This helps buyers verify assembly method, inspection access, and substitute compatibility before purchase.

When is FDU3N40TU a practical sourcing choice for replacement or production builds?

Use FDU3N40TU when the BOM requirement matches 4 W and the obsolete lifecycle status is acceptable. For urgent builds, request lot traceability, date codes, and confirmed shipment quantities.

Related Guides

Why Buy from FindMyChip

Authorized Source
Verified supply chain with full traceability & inspection
Competitive Pricing
Factory-direct from China distributors, low MOQ
Fast Shipping
DHL Express 3–5 days · FedEx/UPS 5–7 days worldwide
Quality Guaranteed
30-day replacement for defective parts, no questions asked

About ON Semiconductor

ON Semiconductor (onsemi) provides intelligent power and sensing technologies for automotive, industrial, IoT, and cloud infrastructure applications.

AvailabilityIn Stock
Reference Price (USD)
From $0.1500
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
25+$0.4980$12.45
70+$0.3950$27.65
350+$0.3690$129.15
1000+$0.2833$283.30
5040+$0.1500$756.00
pcs
Unit price: $0.4980 · Total: $12.45

In Stock · 24h Response · Worldwide Shipping

Lead Time3-7 business days
MOQFrom 1 piece
ShippingDHL / FedEx / UPS
OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

FindMyChip sourced our entire STM32 BOM in 48 hours when our usual distributor had 16-week lead times.

TM
Thomas Mueller
Hardware Lead, SensorTech GmbH, Germany