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STMicroelectronicsTO-263-3, D²Pak (2 Leads + Tab), TO-263ABRoHS

STB85NF3LLT4

Name: STB85NF3LLT4
Brand: STMicroelectronics
SKU: STB85NF3LLT4

MOSFET N-CH 30V 85A D2PAK

Parameters

Parameter	Value
Brand	STMicroelectronics
Model	STB85NF3LLT4
Package / Case	TO-263-3, D²Pak (2 Leads + Tab), TO-263AB
Mounting Type	Surface Mount
Operating Temperature	-65°C ~ 175°C (TJ)
FET Type	N-Channel
Drain to Source Voltage (Vdss)	30 V
Rds On (Max)	8mOhm @ 40A, 10V
Vgs(th) (Max)	1V @ 250µA
Gate Charge (Qg)	40 nC @ 4.5 V
Input Capacitance (Ciss)	2210 pF @ 25 V
Power Dissipation (Max)	110W (Tc)
Drive Voltage	4.5V, 10V
Supplier Device Package	D2PAK
RoHS	RoHS
Part Status	Obsolete

Application & Notes

STB85NF3LLT4 by STMicroelectronics is an N-channel power MOSFET rated at 30 V / N/A, commonly used in DC-DC converters, motor drivers, power supplies, and battery protection circuits. The TO-263-3, D²Pak (2 Leads + Tab), TO-263AB package offers good thermal performance for SMT mounting. Key spec: Rds(on) max 8mOhm @ 40A, 10V. Select gate driver voltage carefully — logic-level variants exist for direct MCU drive.

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All Technical Specifications

FET Type	N-Channel
Vgs (Max)	±16V
Technology	MOSFET (Metal Oxide)
Vgs(th) (Max) @ Id	1V @ 250µA
Rds On (Max) @ Id, Vgs	8mOhm @ 40A, 10V
Power Dissipation (Max)	110W (Tc)
Gate Charge (Qg) (Max) @ Vgs	40 nC @ 4.5 V
Drain to Source Voltage (Vdss)	30 V
Input Capacitance (Ciss) (Max) @ Vds	2210 pF @ 25 V
Drive Voltage (Max Rds On, Min Rds On)	4.5V, 10V
Current - Continuous Drain (Id) @ 25°C	85A (Tc)

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