Mfr Part #:

STW40N90K5

The STW40N90K5 is an N-Channel MOSFET from STMicroelectronics designed for high voltage applications. It offers a 900V drain-to-source voltage and a continuous drain current of 40A.

✓ Total Stock: 4,000 pcs

$ Price Range: $2.56

STW40N90K5 Available from 2 distributors

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Xingangxin ✓ Non-Authorised Inventory information	2,500 pcs On Request	2500 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request
Optech Co.,Limited ✓ Non-Authorised Inventory information	1,500 pcs On Request	1500 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request

STW40N90K5 Description

Short technical summary and product information.

The STMicroelectronics STW40N90K5 is a high-performance N-Channel MOSFET designed for demanding applications. It features a maximum drain-to-source voltage (Vdss) of 900V and can handle a continuous drain current (Id) of up to 40A at a case temperature.

This MOSFET boasts a low on-resistance (Rds On) of 99mOhm at 20A and 10V, ensuring efficient power handling. Key electrical characteristics include an input capacitance (Ciss) of 3260 pF at 100V and a gate charge (Qg) of 89 nC at 10V. The gate-to-source voltage (Vgs) is rated at ±30V, with a threshold voltage (Vgs(th)) of 5V at 100µA.

Packaged in a TO-247-3 configuration, the STW40N90K5 is suitable for through-hole mounting. It operates within a temperature range of -55°C to 150°C (TJ) and has a maximum power dissipation of 446W (Tc). The technology employed is MOSFET (Metal Oxide).

This component is RoHS3 compliant, has an MSL rating of 1, and is REACH unaffected, making it suitable for various industrial and commercial applications requiring robust power switching capabilities.

STW40N90K5 Quick Information

Product Type: MOSFET

Canonical Name: STW40N90K5 N-Channel MOSFET

Subcategory: Single

STW40N90K5 Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

STW40N90K5 Estimated Pricing

Qty	Low	High
1+	$2.56	$2.56

Estimated market price range - modelled values for guidance only, not live distributor offers.

STW40N90K5 Features

900V drain-to-source voltage rating.
40A continuous drain current capability.
Low 99mOhm on-resistance at 20A, 10V.
TO-247-3 package for through-hole mounting.
Wide -55°C to 150°C operating temperature.

STW40N90K5 Applications

High-voltage power switching.
Industrial power supplies.
Motor control circuits.
Power factor correction.

STW40N90K5 FAQs

5 frequently asked questions generated from this part’s specifications.

What is the maximum drain-to-source voltage for the STW40N90K5?

The maximum drain-to-source voltage (Vdss) is 900V.

What is the continuous drain current of the STW40N90K5?

The continuous drain current (Id) is 40A.

What is the on-resistance of the STW40N90K5?

The on-resistance (Rds On) is a maximum of 99mOhm at 20A and 10V.

What package type is the STW40N90K5 available in?

The STW40N90K5 is available in a TO-247-3 package.

What is the operating temperature range for this MOSFET?

The operating temperature range is -55°C to 150°C (TJ).

Category	Transistors - FETs, MOSFETs - Single
Manufacturer Name	STMicroelectronics
Current	40A (Tc)
Drain to Source Voltage (Vdss)	900 V
Drive Voltage (Max Rds On, Min Rds On)	10V
FET Type	N-Channel
Gate Charge (Qg) (Max) @ Vgs	89 nC @ 10 V
Input Capacitance (Ciss) (Max) @ Vds	3260 pF @ 100 V
Mounting Type	Through Hole
Operating Temperature	-55°C ~ 150°C (TJ)
Power Dissipation (Max)	446W (Tc)
Rds On (Max) @ Id, Vgs	99mOhm @ 20A, 10V
Supplier Device Package	TO-247-3
Technology	MOSFET (Metal Oxide)
Vgs (Max)	±30V
Vgs(th) (Max) @ Id	5V @ 100µA