i have a 16v 2 amp transformer, i make a bridge with 1N4007 and after the bridge two 2200uf/25volt and a .1uf disc type capacitor is paralleled. now when i switched on, two of my diodes is burned... can anyone help me to rectify this problem. i am a newbie to electronics. thanks in advance. here is my schematic:
Just to increase current handling. Still cost less in contrast to using hi current rectifiers.why we use 8 diode in a single bridge
These serve to suppress electrical noise (resulting from high-frequency current changes through the diodes), either coming in from AC side, or (less so) going out from power supply to transformer. For most applications these aren't necessary. If added, .1uF is on the high side, something from 100pF to a couple nF's should do fine.pjdd can you tell me why in some power supply there .1uf paralleled with every diode? is it good or bad?
That's usually the case. Besides, my experience over the years in designing and repairing has been that bridge rectifier modules fail more often than a bridge made up of four discrete diodes of equivalent ratings. This is why I always use discrete diodes in my designs wherever practicable..... bridge rectifier is more costly than four 1N5402
That's usually the case. Besides, my experience over the years in designing and repairing has been that bridge rectifier modules fail more often than a bridge made up of four discrete diodes of equivalent ratings. This is why I always use discrete diodes in my designs wherever practicable.
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