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4pin SO6


Photocoupler (phototransistor output)


Feature 2.3mm low-profile package / DC input
Application Scope Communication interface / PLC / Power supply
Function General-purpose
Number of Circuits 1
Input type DC
RoHS Compatible Product(s) (#) Available
Assembly bases Japan / 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 4pin SO6
Package Image 4pin SO6
Pins 4
Mounting Surface Mount
Package Dimensions 보기
Land pattern dimensions 보기

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

Absolute Maximum Ratings

Characteristics Symbol Rating Unit
Collector-emitter voltage VCEO 80 V
Collector Current IC 0.05 A
Forward Current IF 0.05 A
Operating Temperature Topr -55 to 110

Electrical Characteristics

Characteristics Symbol Condition Value Unit
Collector Emitter Saturation Voltage (Max) VCE(sat) - 0.3 V
Isolation voltage BVs
@1minute (Min)
BVS t=60sec 3750 Vrms
Current Transfer Ratio (Max) CTR IF=5mA
600 %
Current Transfer Ratio (Min) CTR IF=5mA
50 %


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Data sheet TLP185(SE Data sheet/Japanese [Jan,2018] (PDF: 442KB)
Data sheet TLP185(SE Data sheet/English [Jan,2018] (PDF: 292KB)
PSpice PSpice Model [Oct,2018] (ZIP: 4KB)
LTspice (Note) LTspice Model [Feb,2019] (ZIP: 7KB)
Application Note Safety standards for photocouplers [Jun,2018] (PDF: 706KB)
Application Note Glossary of Photocoupler and Photorelay Terms [Mar,2018] (PDF: 509KB)
Application Note Application note for phototransistor coupler [Feb,2018] (PDF: 846KB)
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) 신뢰성
RoHS Current Transfer Ratio
TLP185(BL-TPL,SE 3000 - Yes BL (200%-600%)
TLP185(BLL-TL,SE 3000 - Yes BLL(200%-400%)
TLP185(GB-TPL,SE 3000 - Yes GB(100%-600%)
TLP185(GR-TPL,SE 3000 - Yes GR(100%-300%)
TLP185(GRH-TL,SE 3000 - Yes GRH(150%-300%)
TLP185(GRL-TL,SE 3000 - Yes GRL(100%-200%)
TLP185(TPL,SE 3000 - Yes -
TLP185(V4-TPL,SE 3000 - Yes -
TLP185(V4B-TL,SE 3000 - Yes BLL(200%-400%)
TLP185(V4BLTL,SE 3000 - Yes BL (200%-600%)
TLP185(V4GBTL,SE 3000 - Yes GB(100%-600%)
TLP185(V4GHTL,SE 3000 - Yes GRH(150%-300%)
TLP185(V4GLTL,SE 3000 - Yes GRL(100%-200%)
TLP185(V4GRTL,SE 3000 - Yes GR(100%-300%)
TLP185(V4Y-TL,SE 3000 - Yes Y(50%-150%)
TLP185(V4YHTL,SE 3000 - Yes YH(75%-150%)
TLP185(Y-TPL,SE 3000 - Yes Y(50%-150%)
TLP185(YH-TPL,SE 3000 - Yes YH(75%-150%)


  • 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.
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