In circuit safety protection, it is very important to select a suitable transient voltage suppressor. TVS diode selection of popular science knowledge, here is not detailed, want to know you have no harm and professional circuit protection device supplier Dongwo Electronic exchange, anytime, anywhere for you to answer. When using TVS instantaneous voltage suppressor in practice, it is necessary to pay attention to:

• The influence of ambient temperature and signal frequency on junction capacitance must be considered. As the operating temperature rises, the leakage current increases, the power decreases, and the breakdown voltage increases, especially the junction capacitance changes greatly with the temperature.

• The TVS tube manual gives only the absorbed power under a specific pulse width, but the pulse width in the practice line is unpredictable, which should be estimated in advance, and the wide pulse should be derated.

• In the protection of small current load, it is necessary to knowingly add current limiting resistance in the line;

• For the suppression of recurring transient voltages, it is particularly important to pay attention to whether the steady-state average power of the instantaneous voltage suppressor is within the safe range.