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Package Information

Toshiba Package Name	SOT-323 (USM)
Package Image
JEITA	SC-70
Package Code	SOT-323
Pins	3
Mounting	Surface Mount
Width×Length×Height (mm)	2.0×2.1×0.9
Package Dimensions	View
Land pattern dimensions	View
Ultra Librarian^® CAD model (Symbol, Footprint and 3D model)	Download from UltraLibrarian^® in your desired CAD format (Note1)(Note2)

Please refer to the link destination to check the detailed size.

(Note1)	Ultra Librarian^® is a Registered trademark and CAD model library of EMA (EMA Design Automation, Inc.). CAD models (Symbol/Footprint /3D model) are provided by UltraLibrarian^®. The footprints are generated based on the specifications of Ultra Librarian^®.
(Note2)	Please note that the footprint dimensions may differ from the reference Land Pattern dimensions provided on our website.

Absolute Maximum Ratings

Characteristics	Symbol	Rating	Unit
Drain-Source voltage	V_DSS	30	V
Gate-Source voltage	V_GSS	+/-20	V
Drain current	I_D	400	mA
Power Dissipation	P_D	0.15	W

Electrical Characteristics

Characteristics	Symbol	Condition	Value	Unit
Gate threshold voltage (Max)	V_th	-	1.8	V
Gate threshold voltage (Min)	V_th	-	1.1	V
Drain-Source on-resistance (Max)	R_DS(ON)	\|V_GS\|=3.3V	1.7	Ω
Drain-Source on-resistance (Max)	R_DS(ON)	\|V_GS\|=4V	1.2	Ω
Drain-Source on-resistance (Max)	R_DS(ON)	\|V_GS\|=10V	700	mΩ
Input capacitance (Typ.)	C_iss	-	20	pF

Document

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If the checkbox is invisible, the corresponding document cannot be downloaded in batch.

Name
Date

Data sheet SSM3K09FU Data sheet/Japanese

PDF: 345KB

Mar,2014

Data sheet SSM3K09FU Data sheet/English

PDF: 235KB

Mar,2014

Simulation Model PSpice Model lib

lib: 3KB

Apr,2016

Simulation Model LTspice Model (Note) mod

mod: 20KB

Feb,2019

UPDATED Environment Information Certificate Regarding EU RoHS(2011/65/EU)Controlled Substances

PDF: 87KB

Mar,2026

Application Note Surface Mount Small Signal MOSFET Precautions for use

PDF: 830KB

Jan,2022

Catalog Selection Guide MOSFETs 2026 Rev1.0

PDF: 4223KB

Feb,2026

Catalog Selection Guide Small Signal 2026 Rev1.0

PDF: 8928KB

Jan,2026

Catalog Mini catalog Introduction of Semi-power & small-size low RON MOSFET

PDF: 323KB

Dec,2025

Catalog Mini catalog Introduction of small-package MOSFET

PDF: 476KB

Dec,2025

(Note)

LTspice ^® is a trademark and simulation software of ADI (Analog Devices, Inc.).

Notes

The Part Number column shows representative part numbers only, which may not be available for sale in the precise form shown. Each Part Number constitutes a product family which may contain multiple associated product configurations.
(#) Under the RoHS Compatible Product(s) column, "Available" means at least one RoHS-Compatible product is available for sale in the corresponding product family. "None" means no RoHS Compatible product is available in that product family. For Toshiba's definitions of concepts related to the RoHS Directive and RoHS Compatibility, please click here.
The RoHS compatibility information provided herein is to the best of Toshiba's knowledge and belief accurate as of the date Toshiba entered the information into this database. Information is subject to change at any time without notice.
Please contact your Toshiba sales representative for detailed environmental information about each specific part number or product, such as RoHS compatibility or material content. Please use Toshiba products only in compliance with all applicable laws and regulations concerning the inclusion or use of controlled substances, including without limitation the RoHS Directive.TOSHIBA ASSUMES NO LIABILITY FOR DAMAGES OR LOSSES OCCURRING AS A RESULT OF NONCOMPLIANCE WITH APPLICABLE LAWS AND REGULATIONS.
Reliability data are provided for your reference only, please contact your Toshiba sales representative for detailed reliability information about each part number.
For product delivery, additional characters will be added to the part numbers shown on this website. For details, please ask your local distributor, or send an inquiry accessed from "Contact Us" on this website.

Application Scope	High-Speed Switching
Polarity	N-ch
Generation	π-MOSⅥ
Internal Connection	Single
RoHS Compatible Product(s) (#)	Available

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SSM3K09FU

Description

Package Information

Absolute Maximum Ratings

Electrical Characteristics

Document

Technical inquiry

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Notes