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Package Information

Toshiba Package Name	S-VSON4T
Package Image
Pins	4
Mounting	Surface Mount
Width×Length×Height (mm)	1.45×2.0×1.3
Package Dimensions	View
Land pattern dimensions	View
SamacSys CAD model (Symbol, Footprint and 3D model)	Download from SamacSys 1 2

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

*1	SamacSys is a wholly owned subsidiary of Supplyframe, Inc. CAD models (Symbol/Footprint /3D model) are provided by Supplyframe, Inc. The footprints are generated based on the specifications of SamacSys.
*2	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
ON-state current	I_ON	0.45	A
OFF-state output terminal voltage	V_OFF	20	V
Operating Temperature (Max)	T_opr	110	℃
Operating Temperature (Min)	T_opr	-40	℃
Isolation voltage BVs @1minute (Min)	BV_S	500	Vrms

Electrical Characteristics

Characteristics	Symbol	Condition	Value	Unit
Terminal Capacitance (Max)	C_OFF	-	8.5	pF
Terminal Capacitance (Typ.)	C_OFF	-	6.5	pF
Product of Terminal Capacitance and ON-resistance (Typ.)	C_OFFxR_ON	-	5.2	pFxΩ
Trigger LED Current 1a (Max)	I_FT	I_ON=0.1A	3	mA
OFF-State current (Max)	I_OFF	-	1	nA
On-state resistance (Max)	R_ON	-	1.2	Ω
Turn-on time (Max)	t_ON	-	0.15	ms
Turn-off time (Max)	t_OFF	-	0.1	ms

Document

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

Name
Date

Data sheet TLP3431S Data sheet/Japanese

PDF: 527KB

Oct,2024

Data sheet TLP3431S Data sheet/English

PDF: 369KB

Oct,2024

Simulation Model PSpice Model ZIP

ZIP: 5KB

Jan,2025

Simulation Model LTspice Model * ZIP

ZIP: 9KB

Jan,2025

Reliability Information Reliability Data

PDF: 144KB

Mar,2026

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

PDF: 168KB

Apr,2026

Application Note Photorelay E-book(Replacement for Mechanical relay)

PDF: 2035KB

Feb,2024

Application Note Points for photorelays in high frequency circuit applications 2

PDF: 2387KB

Nov,2021

Application Note Safety standards for photocouplers

PDF: 753KB

Mar,2021

Application Note Glossary of Photocoupler and Photorelay Terms

PDF: 509KB

Mar,2018

Catalog Selection Guide Isolators and Solid State Relays 2026Rev1.0

PDF: 8532KB

Mar,2026

Catalog Photocouplers and Photorelays

PDF: 2619KB

Apr,2020

*	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	Measurement instrumentation
Number of Circuits	1
RoHS Compatible Product(s) (#)	Available

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TLP3431S

Description

Package Information

Absolute Maximum Ratings

Electrical Characteristics

Document

Technical inquiry

Related Links

Notes