STN3N40K3

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Part Number	STN3N40K3
Manufacturer	STMicroelectronics
Category	Discrete Semiconductor › Transistors - FETs, MOSFETs - Single
Description	MOSFET N-CH 400V 1.8A SOT223
Lifecycle	Active
RoHS	No RoHS Information
EDA/CAD Models	STN3N40K3 PCB Footprint and Symbol
Warehouses	USA, Europe, China, Hong Kong SAR
Estimated Delivery	Dec 08 - Dec 12 2025(Choose Expedited Shipping)
Warranty	Up to 1 year [Limited-Warranty]*
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STN3N40K3 Specifications

Part Number:	STN3N40K3
Brand:	STMicroelectronics
Lifecycle:	Active
RoHS:	Lead free / RoHS Compliant
Category:	Discrete Semiconductor
Subcategory:	Transistors - FETs, MOSFETs - Single
Manufacturer:	STMicroelectronics
Product Status:	Active
FET Type:	N-Channel
Technology:	MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss):	400 V
Current - Continuous Drain (Id) @ 25°C:	1.8A (Tc)
Drive Voltage (Max Rds On, Min Rds On):	10V
Rds On (Max) @ Id, Vgs:	3.4Ohm @ 600mA, 10V
Vgs(th) (Max) @ Id:	4.5V @ 50µA
Gate Charge (Qg) (Max) @ Vgs:	11 nC @ 10 V
Vgs (Max):	±30V
Input Capacitance (Ciss) (Max) @ Vds:	165 pF @ 50 V
FET Feature:	-
Power Dissipation (Max):	3.3W (Ta)
Operating Temperature:	-55°C ~ 150°C (TJ)
Mounting Type:	Surface Mount
Supplier Device Package:	SOT-223
Package / Case:	TO-261-4, TO-261AA

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