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5pin SO6


Photocoupler (photo-IC output)


Feature 2.3mm low-profile package / Low input current drive / High CTR / High temperature 125 degC operation
Application Scope Communication interface / Factory automation / PV inverter
Number of Circuits 1
Output Interface open-collector
RoHS Compatible Product(s) (#) Available
Assembly bases Thailand
Safety Standard Approved : UL 1577 / cUL (CSA Component Acceptance Service No. 5A) / EN 60747-5-5 / EN 60065 / EN 60950-1 / CQC (China Quality Certification center)

*Download Online Certification of Safety Standard(UL 1577)
*Download Online Certification of Safety Standard(cUL)

Package Information

Toshiba Package Name 5pin SO6
Package Image 5pin SO6
Pins 5
Mounting Surface Mount
Package Dimensions View
Land pattern dimensions View

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

Absolute Maximum Ratings

Characteristics Symbol Rating Unit
Supply Voltage VCC -0.5 to 18 V
Operating Temperature Topr -40 to 125

Electrical Characteristics

Characteristics Symbol Condition Value Unit
Isolation voltage BVS t=60sec 3750 Vrms
Common mode transient immunity CMH / CML - +/-15 kV/μs
Current Transfer Ratio (Max) CTR IF=0.5mA 8000 %
Current Transfer Ratio (Max) CTR IF=1.6mA 5000 %
Current Transfer Ratio (Min) CTR IF=0.5mA 900 %
Current Transfer Ratio (Min) CTR IF=1.6mA 800 %
Current Transfer Ratio (Typ.) CTR IF=0.5mA 4500 %
Current Transfer Ratio (Typ.) CTR IF=1.6mA 2800 %
ICC (Max) ICC - 1.5 mA
Propagation delay time (H/L)(Max) tpHL - 20000 nsec
Propagation delay time (L/H)(Max) tpLH - 90000 nsec
Data transfer rate - - 0.1 Mbps
Supply Voltage(under Recommended Operating Conditions)(Max) VCC - 18 V
Supply Voltage(under Recommended Operating Conditions)(Min) VCC - 4.5 V



Data sheet TLP2303 Data sheet/Japanese [Nov,2019] (PDF: 641KB)
Data sheet TLP2303 Data sheet/English [Nov,2019] (PDF: 453KB)
PSpice PSpice Model [Nov,2019] (ZIP: 4KB)
LTspice (Note) LTspice Model [Sep,2019] (ZIP: 8KB)
Reliability Information Reliability Data [Jul,2019] (PDF: 172KB)
Environment Information Certificate Regarding EU RoHS(2011/65/EU)Controlled Substances [Jan,2020] (PDF: 46KB) UPDATED
Environment Information Certificate on Content of SVHC of REACH [Jan,2020] (PDF: 47KB) UPDATED
Application Note Basic Characteristics and Application Circuit Design of IC Couplers [Nov,2019] (PDF: 2046KB)
Application Note Safety standards for photocouplers [Jun,2018] (PDF: 706KB)
Application Note Glossary of Photocoupler and Photorelay Terms [Mar,2018] (PDF: 509KB)
Catalog Photocouplers and Photorelays [Jun,2019] (PDF: 8198KB)
Catalog Photocouplers and Photorelays Product Notes [Sep,2017] (PDF: 6083KB)

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

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Orderable part number

Orderable part number
MOQ(pcs) Reliability
TLP2303(TPL,E 3000 Yes
TLP2303(V4-TPL,E 3000 Yes


  • 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.
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