[GreenKeys] Flesher TU-170 Loop Key Transistor

Harold Hallikainen harold at mai.hallikainen.org
Fri Oct 30 23:20:02 EDT 2020


I'm looking at the manual for the TU-170 and see that it keys the loop
with an MJE340 which has a maximum Vce of 300 V. 152950 loop supply has a
loaded output voltage of 125 V. Can the MJE340 take the inductive spike
when it opens the loop, or should a clamp be added?

Thanks!

Harold



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