As shown in Figure 1, this is a two-way TVS diode in AC circuit applications, can effectively suppress the overload of the power grid pulse, thus playing a role in the protection of the rectifier bridge and load all components.
Application of TVS diode in circuit design TOP7 circuit diagram reading (133)
Figure 1 TVS diode applied to AC circuit
As shown in Figure 2, one-way TVS diode parallel rectifier side, in order to protect the rectifier is not instantaneous pulse breakdown.
Application of TVS diode in circuit design TOP7 circuit diagram reading (133)
Figure 2 TVS diode applied to the rectifier circuit