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FAQ01940 of Power Controllers FAQ

FAQ No. FAQ01940

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Question

If 200V is applied to the AC100V terminal, what will happen?

Answer



When the G3PX turns ON and a load current flows, a residual voltage is produced on the switching element.

The heating value will be obtained from the following formula.

Example:

Case of the G3PX-220EUN (with rated currents of 20A)
VRMS (residual voltage)=1.6V (output ON voltage drop in the brochure)
If the power consumption is indicated as P:
P=20A×1.6V
P=32W
This is the power consumption of the G3PX.

In terms of calorie 1cal/s equals 4.19W, therefore:
32W÷4.19 ≒ approx.7.6cal/s

The residual voltage means the voltage lost inside the semiconductor when it turns ON.

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