S21MD4TV
S21MD4TV is High Noise-resistance Type Phototriac Coupler manufactured by Sharp Corporation.
S11MD5T/S21MD3TV/S21MD4TV
S11MD5T/S21MD3TV/ S21MD4TV s Features
1. NO.5 pin pletely sealed in the mold for external noise resistance 2. Built-in zero-cross circuit (S21MD4TV ) 3. High repetitive peak OFF-state voltage. S11MD5T V DRM : MIN. 400V S21MD3TV/S21MD4TV VDRM : MIN. 600V 4. Isolation voltage between input and output ( Viso : 5 000 Vrms ) 5. Recognized by UL : recognized, file No. E64380
High Noise-resistance Type Phototriac Coupler s Outline Dimensions
S11MD5T/S21MD3TV S21MD4TV 6 S11MD5T 4 6.5± 0.5
( Unit : mm )
Internal connection diagram 6 4 g Zero-cross circuit 1 2 3
Anode mark
3 0.9± 0.2 1.2± 0.3
2.54± 0.25 7.12± 0.5
7.62± 0.3 0.5TYP. 3.5± 0.5
1. For triggering of power triac
3.35± 0.5 s Applications
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 S21MD3TV : S21MD3T s Model Line-ups
100V 200V S11MD5T S21MD3TV/S21MD4TV
Marking of S21MD4TV : S21MD4T g Zero-cross circuit (S21MD4TV ) s...
