Axial lead TVS 1.5KE440A/1.5KE440CA is produced by DOWOSEMI, and its quality is comparable to international brands(such as: Vishay、ON、Littlefuse and so on;). DOWOSEMI is a professional TVS manufacturer. Its advantages include these:  a variety of models、complete strength inventory、lightning delivery、excellent quality、free EMC testing、free solution、free sample!