I am servicing my GFA-5400 which arrived to my hand with faulty capacitors.
I replaced all rectifying capacitors and now I am thinking of replacing the existing diodes by better spec ones (fast diodes). May someone help me choose a direct drop in replacement for 1N4003 diodes?
I was about to pull the trigger on MUR460 but I was told it's not suitable because it's a 4A diode.
I would like to purchase parts locally to save on shipping cost, so there will be a few options, like:
STTH302 (ST)
https://www.st.com/resource/en/datasheet/stth302.pdf
SK2F1/02 (Semikron)
SK2F1 datasheet
SK3GL/02
Datasheet Archive SK3GF01 datasheet download
Is any of them a direct drop in replacement for GFA-5400?
I replaced all rectifying capacitors and now I am thinking of replacing the existing diodes by better spec ones (fast diodes). May someone help me choose a direct drop in replacement for 1N4003 diodes?
I was about to pull the trigger on MUR460 but I was told it's not suitable because it's a 4A diode.
I would like to purchase parts locally to save on shipping cost, so there will be a few options, like:
STTH302 (ST)
https://www.st.com/resource/en/datasheet/stth302.pdf
SK2F1/02 (Semikron)
SK2F1 datasheet
SK3GL/02
Datasheet Archive SK3GF01 datasheet download
Is any of them a direct drop in replacement for GFA-5400?
Hi , stth302 looks for me best from those three. If those diodes rectify mains frequency 50/60 hz ,you will barely notice ant benefit from replacing existing ones to faster or even ultrafast diodes .
How I'm stupid! I didn't realize those 1N4003 diodes are for low voltage stage. The ones must be replaced are the bridge rectifiers BR154.