• Part: CT357B
  • Description: Phototransistor Optocoupler
  • Category: Optocoupler
  • Manufacturer: CT Micro
  • Size: 1.05 MB
Download CT357B Datasheet PDF
CT Micro
CT357B
CT357B is Phototransistor Optocoupler manufactured by CT Micro.
- Part of the CT357 comparator family.
Features Description - High isolation 3750 VRMS - Patented coplanar structure DMC-Isolator® - Various CTR selection available - DC input with transistor output - Operating temperature range - 55 °C to 110 °C - External Creepage ≥ 5.0mm - Distance Through Isolation ≥ 0.4mm - Clearance Distance ≥ 5.0mm - Ro HS and REACH pliance - Halogen Free pliance - MSL class 1 - Regulatory Approvals The CT357 series of general purpose optocoupler consists of a photo transistor optically coupled to an Infrared-emitting diode in a 4-lead Mini-Flat DMC-Isolator® package with bending option. Applications - DC-DC Converters - Programmable controllers - Telemunication equipment - Hybrid substrates that require high density mounting ✓ UL - UL1577 (E364000) ✓ VDE - EN60747-5-5 (VDE0884-5) ✓ CQC - GB4943.1, GB8898 (19001231775) ✓ IEC62368 (FI/41119) Package Outline Schematic © 2023 CT MICRO INTERNATIONAL CORPORATION ALL RIGHTS RESERVED. Page 1 Rev.8 Apr, 2023 .ct-micro. CT357 Series DC Input 4-Pin Mini-Flat DMC-Isolator® Phototransistor Optocoupler Absolute Maximum Ratings TA = 25°C, unless otherwise specified Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. Functional operation of the device is not implied at these or any other conditions in excess of those given in the operational sections of this document. In addition, extended exposure to stresses above the remended operating conditions may affect device reliability. The absolute maximum ratings are stress ratings only. Symbol Parameters VISO Isolation voltage (AC, 1 minute, 40 ~ 60% R.H.) TOPR Operating temperature TSTG Storage...