Feb 8, 2019 #1 S saha.123 Junior Member level 2 Joined Jul 2, 2015 Messages 20 Helped 0 Reputation 0 Reaction score 0 Trophy points 1 Activity points 143 Hi What is the range of resistance will be kept for Rcdm resistor.HOw its calculated from CDM voltage like 200V?? Thanks in advance.
Hi What is the range of resistance will be kept for Rcdm resistor.HOw its calculated from CDM voltage like 200V?? Thanks in advance.
Feb 23, 2019 #2 erikl Super Moderator Staff member Joined Sep 9, 2008 Messages 8,108 Helped 2,695 Reputation 5,370 Reaction score 2,305 Trophy points 1,393 Location Germany Activity points 44,123 1. the outside HBM diodes must be able to stand several CDM voltage pulses 2. the inner CDM diodes must be able to stand the limited current due to the CDM voltage spikes. If you know which current they can stand, you can calculate Rcdm. Usually it's in the order of 100..200Ω.
1. the outside HBM diodes must be able to stand several CDM voltage pulses 2. the inner CDM diodes must be able to stand the limited current due to the CDM voltage spikes. If you know which current they can stand, you can calculate Rcdm. Usually it's in the order of 100..200Ω.