[Oleg]

Вот нашлась эта информация у Mitsubishi
Notice 3. The operation life should be endured 5,000 shots under the charge current
M = 400µF).
(Ixe ? 150A : full luminescence condition) of main condenser (C
Repetitive period under the full luminescence conditions is over 3 seconds.
Notice 4. Total gate operation time must be applied within 5,000 hours.Djn
Это касается .... -8.
Реально конечно на много больше.