意法半导体的ACS三端双向可控硅开关或ACST可用作三端双向可控硅开关，并且提高了电压瞬变箝位和吸收能力。'
该器件和系统可成功吸收负载交换以及电源线产生的瞬态，如IEC 61000-4-5所述。 ACST的箝位和消弧功能可以保证为系统与ACST实现安全瞬态性能。因此，无需MOV或缓冲电路即可简化该电路。
这些器件具有高达800V的阻断电压，并且提供标准和逻辑门。
器件采用Fullpack、IPAK、DPAK、D²PAK或I²PAK封装。
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ST’s 8H Triacs have been designed for Industrial, Building, Residential, Appliances. Based on the new ST’s technology, the 8H Triacs are able to work at 800V & 150°C without compromise. It makes 8H Triacs the right choice to run in very hot confined electronic environment and improve the reliability of your system. Thanks to 8H Triacs robust dynamic turn-off commutation and high noise immunity at high temperature you can reduce your system size while increasing functional safety.
Increase immunity and reduce BOM with new 800 V AC switch
Drive loads subjected to high AC line spikes and transients with ST’s new logic-level ACST310; a 3 A, 800 V overvoltage-protected AC switch. Its high-voltage robustness and surge voltage capabilities prove its reliability in low-power appliance systems, and saves PCB space as any MOV protection or RC network can be removed. Available in two package versions, the ACST310-8B in DPAK and the ACST310-8FP in a 2kV UL1557-certified TO-220FPAB, it allows any standard microcontroller to drive resistive or inductive loads up to 250 W.
- ACST310-8B Overvoltage protected AC switch
- ACST1035-8FP 10 A 800 V Over-voltage protected AC switch
- ACST12 Overvoltage protected AC switch
- ACST6 Overvoltage protected AC switch
- ACST310-8FP Overvoltage protected AC switch
- ACST8 Overvoltage protected AC switch
- ACST4 4 A - 800 V Overvoltage protected AC switch
- ACST2 Overvoltage protected AC switch
- ACST1635-8FP Overvoltage protected AC switch
- ACST1235-8FP 12 A 800 V Over-voltage protected AC switch
- ACST10 Overvoltage protected AC switch
