CT3043-4L

Features 

• High isolation 5000 VRMS

• Peak Breakdown Voltage

◼ 250V – CT3031-4L,3032-4L,3033-4L

◼ 400V – CT3041-4L,3042-4L,3043-4L

• Temperature range - 55 °C to 100 °C

• External Creepage ≥ 7.0mm 

• Distance Through Isolation ≥ 0.4mm

• Clearance Distance ≥ 8.0mm (M/SLM Type)

• RoHS and REACH Compliance

• Halogen Free Compliance (Optional)

• Regulatory Approvals

✓ UL - UL1577 (E364000)

✓ VDE - EN60747-5-5 (40039590)

✓ CQC – GB4943.1, GB8898 (14001105802)

✓ IEC62368 (FI/41119)

Description

The CT3031-4L, CT3032-4L, CT3033-4L, CT3041-4L, 

CT3042-4L and CT3043-4L consists of a Zero Cross 

Photo Triac optically coupled to an Infrared-emitting 

diode in a 4-lead DIP package DMC-Isolator® package 

with different lead forming options.

Applications 

• Motor Controls

• Lamp ballasts

• Static AC Power Switch

• Solenoid/ Valve Control