CT3021-4L

Features 

• High isolation 5000 VRMS

• Peak Breakdown Voltage

◼ 250V – CT3010-4L,CT3011-4L,CT3012-4L

◼ 400V – CT3020-4L,CT3021-4L,CT3022-4L,

CT3023-4L

• 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 CT3010-4L, CT3011-4L, CT3012-4L, CT3020-4L, 

CT3021-4L, CT3022-4L and CT3023-4L series 

consists of a Random Phase Photo Triac optically 

coupled to an Infrared-emitting diode in a 4-lead DIP 

package DMC-Isolator® with different lead forming 

options.

Applications 

• Motor Controls

• Lamp ballasts

• Static AC Power Switch

• Solenoid/ Valve Control