- 封装: DIP8
- 品牌: TFK
- 日期代码: 005
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The integrated circuit, U217B, is designed as a zero- voltage switch in bipolar technology. It is used to control resistive loads at mains by a triac in zero-crossing mode.
1.Direct supply from the mains
2.Current consumption <0.5 mA
3.Very few external components
4.Full-wave drive — no DC current component in the load circuit
5.Negative output current pulse typ. 100 mA — short-circuit protected A ramp generator allows power control function by period group control, whereas full-wave logic guarantees that full mains cycles are used for load switching.
6.Simple power control
Fast shipping, great packaging. I'll buy again! Regards
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Excellent transaction, parts received very quickly, and were just as described...new. Thank you very much.
Muy agradecido por el excelente servicio.
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