Chengdu Tieda Electronics Co., Ltd. Surge Protecting Varistor 一、 Explanation of Part Numbers: MYL 1 — 40 K 621 ①⑤ ④ ②③ 1.1 ① 1.2 ② 1:Epoxy Resin Coated Discs 2:Packed in Plastic Box 1.3 ③ 25 me...