Triac - product identification for one-way SCR, closing the switch K electronic plastic boxes, lights should be lit, disconnect K lamp still quench otherwise explain SCR damage. For triac, closing the switch K, lights should be illuminated plastic packaging, disconnect K, lights should not be quenched. Then reverse battery, repeat the above steps, the result should be the same plastic, only explanation is good. Otherwise, it means that the device has been damaged TRIAC - Golden Rule Isolated Triac switch another solution: for resistive load zero voltage turn-on. Rule 9. When the device is fixed to the heat sink Dongguan plastic packaging supplier, avoid triac subjected to stress. Fixed, then solder tails. Do not put the rivet mandrel piece on the side of the device interfaces. Rule 10. For long-term, reliable work, should ensure Rthj-a low enough to maintain Tj not more than Tjmax, whose value corresponds to the highest possible ambient temperature. Dongguan plastic packaging supplier | n Wal Electronics (certified) | plastic provided by the Dongguan City, is Wo Electronic Technology Co., Ltd. Dongguan City is Wo Electronic Technology Co., Ltd (www.dgmydz.com) (www.dgmydz.com) Dongguan, Guangdong, FET leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum Limits to meet customer needs. Wal-e-leadership in the positive with the staff warmly welcome all inquiries negotiations to create a positive fertile electronic better future.