Ngwaahịa Varistor Leaded1. Ngwa: transistor, diode, IC, thyristor na ikpe, ọkara conductor switeh elecment na ụdị nke eletrọnịkị equipuent nchebeMmụba absoption n'ime ngwa ejigide ụlọ, ụlọ ọrụ electronies, ọsọ agba anọ na electro magnetik valva.Electrostaitc mwepu mkpọtụ spike-bolte aka ike na-agbapụ mkpọtụ spike-bolt-protection nchebe na-eme ka ọ ghara ikpochapụ ihe na-eme ka ọ dị elu. Nchekwa oke voltaji na ngwa nzikọrịta ozi dị ka ekwentị, miles-control exch...