How many STMicroelectronics STMicroelectronics STD4 Series part numbers are listed?

3 STMicroelectronics STMicroelectronics STD4 Series part numbers are listed, each with specifications and a datasheet where available.

STMicroelectronics STD4 Series

3 variants · STMicroelectronics

About the STMicroelectronics STMicroelectronics STD4 Series series

The STMicroelectronics STMicroelectronics STD4 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-252-3, DPak (2 Leads + Tab), SC-63, FET feature of - and FET type of N-Channel. Variants differ by current - continuous drain (Id) @ 25°C, drain to source voltage and drive voltage (Max rds on, min rds on), so you can match the exact current - continuous drain (Id) @ 25°C your application requires using the selection guide below. All listed STMicroelectronics STD4 Series part numbers are active and orderable.

Select a variant by

Current - continuous drain (Id) @ 25°C: 3A (Tc) · 40A (Tc) · 44A (Tc)
Drain to source voltage: 40 V · 75 V · 900 V
Drive voltage (Max rds on, min rds on): 5V, 10V · 10V
Gate charge (Qg) (Max) @ vgs: 5.3 nC @ 10 V · 22 nC @ 10 V · 80 nC @ 10 V
Input capacitance (Ciss) (Max) @ vds: 173 pF @ 100 V · 1190 pF @ 25 V · 1760 pF @ 25 V
Operating temperature: -55°C~150°C(TJ) · -55°C~175°C(TJ)
Power dissipation: 50W (Tc) · 60W (Tc) · 125W (Tc)
Rds on (Max) @ id, vgs: 2.1Ohm @ 1A, 10V · 12.5mOhm @ 20A, 10V · 24mOhm @ 20A, 10V

Variant comparison

Parameter	STD44N4LF6	STD45NF75T4	STD4N90K5
Current - continuous drain (Id) @ 25°C	44A (Tc)	40A (Tc)	3A (Tc)
Drain to source voltage	40 V	75 V	900 V
Drive voltage (Max rds on, min rds on)	5V, 10V	10V	10V
Gate charge (Qg) (Max) @ vgs	22 nC @ 10 V	80 nC @ 10 V	5.3 nC @ 10 V
Input capacitance (Ciss) (Max) @ vds	1190 pF @ 25 V	1760 pF @ 25 V	173 pF @ 100 V
Operating temperature	-55°C~175°C(TJ)	-55°C~175°C(TJ)	-55°C~150°C(TJ)
Power dissipation	50W (Tc)	125W (Tc)	60W (Tc)
Rds on (Max) @ id, vgs	12.5mOhm @ 20A, 10V	24mOhm @ 20A, 10V	2.1Ohm @ 1A, 10V

Shared specifications

Case: TO-252-3, DPak (2 Leads + Tab), SC-63
FET feature: -
FET type: N-Channel
Mounting type: Surface Mount
Package: Tape & Reel (TR); Cut Tape (CT)
Technology: MOSFET (Metal Oxide)

Request a quote on any STMicroelectronics STD4 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 STD4 Series variants differ?: STMicroelectronics STD4 Series part numbers differ by current - continuous drain (Id) @ 25°C, drain to source voltage, drive voltage (Max rds on, min rds on) and gate charge (Qg) (Max) @ vgs. Use the selection guide above to pick by current - continuous drain (Id) @ 25°C.
How many STMicroelectronics STMicroelectronics STD4 Series part numbers are listed?: 3 STMicroelectronics STMicroelectronics STD4 Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for STMicroelectronics STMicroelectronics STD4 Series?: Request a quote (RFQ) for any STMicroelectronics STD4 Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.