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CTW139 - Low Input Current Photodarlington Coupler

Download the CTW139 datasheet PDF. This datasheet also covers the CTW138 variant, as both devices belong to the same low input current photodarlington coupler family and are provided as variant models within a single manufacturer datasheet.

General Description

Low current 0.5mA Superior CTR-2000% CTR guaranteed 0 70°C MSL class 1 Regulatory Approvals UL - UL1577 (E364000) VDE - EN60747-5-5(VDE0884-5) CQC GB4943.1, GB8898(19001231774) IEC62368 (FI/41119) Appl

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (CTW138-CTMicro.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number CTW139
Manufacturer CT Micro
File Size 1.48 MB
Description Low Input Current Photodarlington Coupler
Datasheet download datasheet CTW139 Datasheet

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Other Datasheets by CT Micro

Part Number Description
CTW135 Phototransistor Optocoupler
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CTW137 Logic Gate Optocoupler
CTW138 Low Input Current Photodarlington Coupler
CTW4502 Phototransistor Optocoupler

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
www.ct-micro.com CTW138, CTW139 Low Input Current Photodarlington Coupler Features Description  Low current – 0.5mA  Superior CTR-2000%  CTR guaranteed 0–70°C  MSL class 1  Regulatory Approvals  UL - UL1577 (E364000)  VDE - EN60747-5-5(VDE0884-5)  CQC – GB4943.1, GB8898(19001231774)  IEC62368 (FI/41119) Applications  Digital logic ground isolation  Telephone ring detector  EIA-RS-232C line receiver  High common mode noise line receiver  Current loop receiver The CTW138 & CTW139 optocouplers consist of an AlGaAs LED optically coupled to a high gain split darlington photodetector. The combination of a very low input current of 0.