How many STMicroelectronics STMicroelectronics STF4 Series part numbers are listed?

3 STMicroelectronics STMicroelectronics STF4 Series part numbers are listed, each with specifications and a datasheet where available.

STMicroelectronics STF4 Series

3 variants · STMicroelectronics

About the STMicroelectronics STMicroelectronics STF4 Series series

The STMicroelectronics STMicroelectronics STF4 Series series groups 3 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common drive voltage (Max rds on, min rds on) of 10V, FET feature of - and FET type of N-Channel. Variants differ by case, current - continuous drain (Id) @ 25°C and drain to source voltage, so you can match the exact case your application requires using the selection guide below. All listed STMicroelectronics STF4 Series part numbers are active and orderable.

Select a variant by

Case: TO-220-3 · TO-220-3 Full Pack
Current - continuous drain (Id) @ 25°C: 3A (Tc) · 4A (Tc) · 34A (Tc)
Drain to source voltage: 600 V · 800 V · 900 V
Gate charge (Qg) (Max) @ vgs: 5.3 nC @ 10 V · 10.5 nC @ 10 V · 55 nC @ 10 V
Input capacitance (Ciss) (Max) @ vds: 173 pF @ 100 V · 175 pF @ 100 V · 2370 pF @ 100 V
Operating temperature: -55°C ~ 150°C (TJ) · 150°C (TJ)
Power dissipation: 20W (Tc) · 40W (Tc)
Rds on (Max) @ id, vgs: 2.1Ohm @ 1A, 10V · 2.5Ohm @ 1.5A, 10V · 87mOhm @ 17A, 10V

Variant comparison

Parameter	STF42N60M2-EP	STF4N80K5	STF4N90K5
Case	TO-220-3 Full Pack	TO-220-3 Full Pack	TO-220-3
Current - continuous drain (Id) @ 25°C	34A (Tc)	3A (Tc)	4A (Tc)
Drain to source voltage	600 V	800 V	900 V
Gate charge (Qg) (Max) @ vgs	55 nC @ 10 V	10.5 nC @ 10 V	5.3 nC @ 10 V
Input capacitance (Ciss) (Max) @ vds	2370 pF @ 100 V	175 pF @ 100 V	173 pF @ 100 V
Operating temperature	150°C (TJ)	-55°C ~ 150°C (TJ)	-55°C ~ 150°C (TJ)
Power dissipation	40W (Tc)	20W (Tc)	20W (Tc)
Rds on (Max) @ id, vgs	87mOhm @ 17A, 10V	2.5Ohm @ 1.5A, 10V	2.1Ohm @ 1A, 10V

Shared specifications

Drive voltage (Max rds on, min rds on): 10V
FET feature: -
FET type: N-Channel
Mounting type: Through Hole
Package: Tube
Technology: MOSFET (Metal Oxide)

Request a quote on any STMicroelectronics STF4 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

Frequently asked questions

How do the STMicroelectronics STMicroelectronics STF4 Series variants differ?: STMicroelectronics STF4 Series part numbers differ by case, current - continuous drain (Id) @ 25°C, drain to source voltage and gate charge (Qg) (Max) @ vgs. Use the selection guide above to pick by case.
How many STMicroelectronics STMicroelectronics STF4 Series part numbers are listed?: 3 STMicroelectronics STMicroelectronics STF4 Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for STMicroelectronics STMicroelectronics STF4 Series?: Request a quote (RFQ) for any STMicroelectronics STF4 Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.