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CTH281-4GB Datasheet Phototransistor Optocoupler

Manufacturer: CT Micro

Download the CTH281-4GB datasheet PDF. This datasheet also includes the CTH281-4 variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (CTH281-4-CTMicro.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number CTH281-4GB
Manufacturer CT Micro
File Size 1.47 MB
Description Phototransistor Optocoupler
Datasheet download datasheet CTH281-4GB Datasheet

General Description

The CTH281-4 series have four isolated channels, each channel contains a photo transistor optically coupled to two gallium arsenide Infrared-emitting diode in a 16-lead DMCⓇ half pitch Mini-Flat package.

Applications  DC-DC Converters  Programmable controllers  Telecommunication equipment  Hybrid substrates that require high density mounting Package Outline Schematic CT Micro Proprietary & Confidential Page 1 Rev 2.1 Sep, 2020 CTH281-4 Series DC Input 16-Pin DMCⓇ Half Pitch Mini-Flat Phototransistor Optocoupler Absolute Maximum Rating at 25oC Symbol Parameters VISO Isolation voltage TOPR Operating temperature TSTG Storage temperature TSOL Soldering temperature PTOT Total power dissipation Emitter IF Forward current IF(TRANS) Peak transient current (≤1μs P.W,300pps) VR Reverse voltage PD Power dissipation Detector PC Power dissipation BVCEO Collector-Emitter Breakdown Voltage BVECO Emitter-Collector Breakdown Voltage IC Collector Current Notes 1.

AC for 1 minute, RH = 40 ~ 60%.

Overview

CTH281-4 Series DC Input 16-Pin DMCⓇ Half Pitch Mini-Flat Phototransistor.

Key Features

  • High isolation 3750 VRMS.
  • Patented coplanar structure DMCⓇ.
  • Various CTR selection available.
  • DC input with transistor output.
  • Operating temperature range - 55 °C to 125 °C.
  • RoHS and REACH compliance.
  • Halogen Free compliance.
  • Regulatory Approvals.
  • UL - UL1577 (pending approval).
  • VDE - EN60747-5-5 (VDE0884-5).
  • CQC - GB4943.1, GB8898.

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