How many STMicroelectronics STMicroelectronics STF8 Series part numbers are listed?

3 STMicroelectronics STMicroelectronics STF8 Series part numbers are listed, each with specifications and a datasheet where available.

STMicroelectronics STF8 Series

3 variants · STMicroelectronics

About the STMicroelectronics STMicroelectronics STF8 Series series

The STMicroelectronics STMicroelectronics STF8 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 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 gate charge (Qg) (Max) @ vgs, so you can match the exact current - continuous drain (Id) @ 25°C your application requires using the selection guide below. All listed STMicroelectronics STF8 Series part numbers are active and orderable.

Select a variant by

Current - continuous drain (Id) @ 25°C: 5A (Tc) · 6A (Tc) · 6.5A (Tc)
Drain to source voltage: 500 V · 800 V · 1000 V
Gate charge (Qg) (Max) @ vgs: 14 nC @ 10 V · 16.5 nC @ 10 V · 102 nC @ 10 V
Input capacitance (Ciss) (Max) @ vds: 364 pF @ 50 V · 450 pF @ 100 V · 2180 pF @ 25 V
Power dissipation: 20W (Tc) · 25W (Tc) · 40W (Tc)
Rds on (Max) @ id, vgs: 1.85Ohm @ 3.15A, 10V · 790mOhm @ 2.5A, 10V · 950mOhm @ 3A, 10V
Vgs: ±25V · ±30V

Variant comparison

Parameter	STF8N80K5	STF8NK100Z	STF8NM50N
Current - continuous drain (Id) @ 25°C	6A (Tc)	6.5A (Tc)	5A (Tc)
Drain to source voltage	800 V	1000 V	500 V
Gate charge (Qg) (Max) @ vgs	16.5 nC @ 10 V	102 nC @ 10 V	14 nC @ 10 V
Input capacitance (Ciss) (Max) @ vds	450 pF @ 100 V	2180 pF @ 25 V	364 pF @ 50 V
Power dissipation	25W (Tc)	40W (Tc)	20W (Tc)
Rds on (Max) @ id, vgs	950mOhm @ 3A, 10V	1.85Ohm @ 3.15A, 10V	790mOhm @ 2.5A, 10V
Vgs	±30V	±30V	±25V

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
Operating temperature: -55°C ~ 150°C (TJ)
Package: Tube
Technology: MOSFET (Metal Oxide)

Request a quote on any STMicroelectronics STF8 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 STF8 Series variants differ?: STMicroelectronics STF8 Series part numbers differ by current - continuous drain (Id) @ 25°C, drain to source voltage, gate charge (Qg) (Max) @ vgs and input capacitance (Ciss) (Max) @ vds. Use the selection guide above to pick by current - continuous drain (Id) @ 25°C.
How many STMicroelectronics STMicroelectronics STF8 Series part numbers are listed?: 3 STMicroelectronics STMicroelectronics STF8 Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for STMicroelectronics STMicroelectronics STF8 Series?: Request a quote (RFQ) for any STMicroelectronics STF8 Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.