FQU5N40TU

Power MOSFET, N Channel, 400 V, 3.4 A, 1.6 ohm, TO-251, Through Hole

⚠️ Given the current worldwide supply chain situation, we kindly ask you to take the information shown as a guideline.

Manufacturer: ONSEMI
Product type: Single MOSFETs
Available until stocks are exhausted Alternative available
SVHC: No SVHC (15-Jan-2018)
No. of Pins: 3Pins
Channel Type: N Channel
Product Range: QFET
Qualification: -
Power Dissipation: 45W
Transistor Mounting: Through Hole
Rds(on) Test Voltage: 10V
Transistor Case Style: TO-251
Drain Source Voltage Vds: 400V
Operating Temperature Max: 150°C
Continuous Drain Current Id: 3.4A
Drain Source On State Resistance: 1.6ohm
Gate Source Threshold Voltage Max: 5V

Delivery and price
Units per pack	1000
Price	0.478 €
Current stock	1000+
Lead time	7 days

Datasheet

Updated at March 10, 2026