Question.6
Tony is soldering a 2-electrode GDT onto a PCB for telecom line protection.Does the GDT have polarity? Can it be installed in either orientation?
Select Answer
Yes — the dot on the schematic symbol indicates the cathode; install accordingly
Yes — the end with the manufacturer marking must face the line side
No — GDTs are non-polarized and can be installed in either direction
No — but only 2-electrode GDTs are non-polarized; 3-electrode GDTs have polarity
