S21MD4TV coupler equivalent, high noise-resistance type phototriac coupler.
1. NO.5 pin completely sealed in the mold for external noise resistance 2. Built-in zero-cross circuit (S21MD4TV ) 3. High repetitive peak OFF-state voltage. S11MD5T V DR.
3.7± 0.5
0.5± 0.1
0.26± 0.1 θ : 0 to 13 ˚ 1 Anode 2 Cathode 3 NC θ
4 Anode/ Cathode 6 Anode/ Cathode
Marking of S21.
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