PC
CategoriesBrandsBOMBlogAbout
Rochester Electronics, LLCTO-251-3 Short Leads, IPak, TO-251AARoHS

FQU6N40CTU

MOSFET N-CH 400V 4.5A IPAK

FQU6N40CTU by Rochester Electronics, LLC
Subcategory

Transistors Fets Mosfets Single

Package

TO-251-3 Short Leads, IPak, TO-251AA

Series

QFET®

Status

Obsolete

Datasheet

View Datasheet ↗

$0.51 / unit (market reference)

MOQ: 589 pcs

Submit your quantity via the inquiry form for a competitive quote within 24 hours.

✅ 365-Day Warranty🚚 Global Shipping

Parameters

ParameterValue
BrandRochester Electronics, LLC
ModelFQU6N40CTU
Package / CaseTO-251-3 Short Leads, IPak, TO-251AA
Mounting TypeThrough Hole
Operating Temperature-55°C ~ 150°C (TJ)
FET TypeN-Channel
Drain to Source Voltage (Vdss)400 V
Rds On (Max)1Ohm @ 2.25A, 10V
Vgs(th) (Max)4V @ 250µA
Gate Charge (Qg)20 nC @ 10 V
Input Capacitance (Ciss)625 pF @ 25 V
Power Dissipation (Max)2.5W (Ta), 48W (Tc)
Drive Voltage10V
Supplier Device PackageI-PAK
RoHSRoHS
Part StatusObsolete

Application & Notes

FQU6N40CTU by Rochester Electronics, LLC is an N-channel power MOSFET rated at 400 V / N/A, commonly used in DC-DC converters, motor drivers, power supplies, and battery protection circuits. The TO-251-3 Short Leads, IPak, TO-251AA package offers good thermal performance for SMT mounting. Key spec: Rds(on) max 1Ohm @ 2.25A, 10V. Select gate driver voltage carefully — logic-level variants exist for direct MCU drive.

📖 Technical Guides for FQU6N40CTU

📄

MOSFET Alternatives: IRFZ44N, AO3400, IRF4905 & More — Cross Reference Guide

Components Guide

📄

Power Discrete Alternatives Guide: MOSFET, IGBT, SiC, GaN Cross-Reference

Components Guide

Alternatives & Replacements

View All →
Rochester Electronics, LLCStockTO-251-3 Short Leads, IPak, TO-251AA

IPU60R2K1CEBKMA1

MOSFET N-CH 600V 2.3A TO251-3

Request QuoteRFQ →
Rochester Electronics, LLCStockTO-251-3 Short Leads, IPak, TO-251AA

NDD05N50Z-1G

MOSFET N-CH 500V 4.7A IPAK

Request QuoteRFQ →
Rochester Electronics, LLCStockTO-251-3 Short Leads, IPak, TO-251AA

NTD80N02-001

MOSFET N-CH 24V 80A IPAK

Request QuoteRFQ →
Rochester Electronics, LLCStockTO-251-3 Short Leads, IPak, TO-251AA

FDU8796

MOSFET N-CH 25V 35A IPAK

Request QuoteRFQ →
Rochester Electronics, LLCStockTO-251-3 Short Leads, IPak, TO-251AA

IPU50R1K4CEAKMA1

MOSFET N-CH 500V 3.1A TO251-3

Request QuoteRFQ →
Rochester Electronics, LLCStockTO-251-3 Short Leads, IPak, TO-251AA

NDD02N60Z-1G

MOSFET N-CH 600V 2.2A IPAK

Request QuoteRFQ →

All Technical Specifications

FET TypeN-Channel
Vgs (Max)±30V
TechnologyMOSFET (Metal Oxide)
Vgs(th) (Max) @ Id4V @ 250µA
Rds On (Max) @ Id, Vgs1Ohm @ 2.25A, 10V
Power Dissipation (Max)2.5W (Ta), 48W (Tc)
Gate Charge (Qg) (Max) @ Vgs20 nC @ 10 V
Drain to Source Voltage (Vdss)400 V
Input Capacitance (Ciss) (Max) @ Vds625 pF @ 25 V
Drive Voltage (Max Rds On, Min Rds On)10V
Current - Continuous Drain (Id) @ 25°C4.5A (Tc)

Request a Quote

Submit your quantity and details — we will reply within 24 hours.