S21MD9T coupler equivalent, low input driving type phototriac coupler.
1. Low input driving current ( S11MD7T / S11MD8T / S21MD7T / S21MD8T I FT : MAX. 5mA S11MD9T /S21MD9T IFT : MAX.7mA ) 2. Pin No. 5 completely molded for external noise re.
1. For triggering medium/high power triacs
s Absolute Maximum Ratings
Rating Parameter Forward current Reverse voltage .
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