This average forward current is for an ambient temperature of 80 0 C and 180 electrical degrees of
conduction.
2) Surge current is non-recurrent. The rate of rise of peak surge current shall not exceed 40 A during
the first 5 µs after switching from the ‘off’ (blocking) to the ‘on’ (conducting) state. This is measured
from the point where the thyristor voltage has decayed to 90% of its initial blocking value.
3) Gate connected to cathode through 1,000 ohm resistor.
4) Gate connected to cathode through 2,000 ohm resistor.