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STMicroelectronics STF6 Series

5 variants · STMicroelectronics

About the STMicroelectronics STMicroelectronics STF6 Series series

The STMicroelectronics STMicroelectronics STF6 Series series groups 5 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common case of TO-220-3 Full Pack, drive voltage (Max rds on, min rds on) of 10V and FET feature of -. Variants differ by current - continuous drain (Id) @ 25°C, drain to source voltage and operating temperature, so you can match the exact current - continuous drain (Id) @ 25°C your application requires using the selection guide below. All listed STMicroelectronics STF6 Series part numbers are active and orderable.

Select a variant by

Current - continuous drain (Id) @ 25°C
4A (Tc) · 4.5A (Tc) · 5.4A (Tc) · 5.5A (Tc) · 6A (Tc)
Drain to source voltage
620 V · 650 V · 800 V · 900 V
Operating temperature
-55°C ~ 150°C (TJ) · 150°C (TJ)
Power dissipation
20W (Tc) · 25W (Tc) · 30W (Tc)
Rds on (Max) @ id, vgs
1.1Ohm @ 3A, 10V · 1.28Ohm @ 2.8A, 10V · 1.3Ohm @ 2.8A, 10V · 1.35Ohm @ 2A, 10V · 1.6Ohm @ 2A, 10V
Vgs
±25V · ±30V · 30V
Vgs(th) (Max) @ id
4V @ 250µA · 4.5V @ 50µA · 5V @ 100µA

Variant comparison

ParameterSTF6N62K3STF6N65K3STF6N65M2STF6N80K5STF6N90K5
Current - continuous drain (Id) @ 25°C5.5A (Tc)5.4A (Tc)4A (Tc)4.5A (Tc)6A (Tc)
Drain to source voltage620 V650 V650 V800 V900 V
Operating temperature150°C (TJ)150°C (TJ)-55°C ~ 150°C (TJ)-55°C ~ 150°C (TJ)-55°C ~ 150°C (TJ)
Power dissipation30W (Tc)30W (Tc)20W (Tc)25W (Tc)25W (Tc)
Rds on (Max) @ id, vgs1.28Ohm @ 2.8A, 10V1.3Ohm @ 2.8A, 10V1.35Ohm @ 2A, 10V1.6Ohm @ 2A, 10V1.1Ohm @ 3A, 10V
Vgs±30V±30V±25V30V±30V
Vgs(th) (Max) @ id4.5V @ 50µA4.5V @ 50µA4V @ 250µA5V @ 100µA5V @ 100µA

Shared specifications

Case
TO-220-3 Full Pack
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 STF6 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 STF6 Series variants differ?
STMicroelectronics STF6 Series part numbers differ by current - continuous drain (Id) @ 25°C, drain to source voltage, operating temperature and power dissipation. Use the selection guide above to pick by current - continuous drain (Id) @ 25°C.
How many STMicroelectronics STMicroelectronics STF6 Series part numbers are listed?
5 STMicroelectronics STMicroelectronics STF6 Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for STMicroelectronics STMicroelectronics STF6 Series?
Request a quote (RFQ) for any STMicroelectronics STF6 Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.

All variants