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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: 5R4GY and filter cap values posted by DewDude on March 21, 2017 at 07:49:04:
That 47 muF. is too big for all the common 5 V. rectifiers, except the 5AR4/GZ34. Check the data sheets, for yourself.
The forward drop percentage in a 5Y3 is greater than that in a 5R4. Remember, the 67 V. drop in a 5R4 is at its 250 mA. rated max. A 5Y3 is rated for 125 mA. max.
A CL-130 inrush current limiter between the vacuum rectifier and the comparatively large 1st filter cap. might save the day.
Eli D.
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- RE: 5R4GY and filter cap values - Eli Duttman 08:36:15 03/21/17 (0)
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