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That is the electrical equivalent to a 5R4

Posted by Chip647 (A) on April 25, 2017 at 16:52:53

In Reply to: 596 Voltage Drop? posted by Jim Hodgson on April 25, 2017 at 15:08:51:

Which has a 4uF first cap limit. If you have a big cap as your first cap it will arc.

A 5R4 will drop more voltage, probably 15 to 20 volts versus a 5U4

Tube Type DC mA PIV FIL AMPS Max ACV DCV DCV DROP
Diode Rectifier 425
5AR4 / GZ-34 250 1500 1.9 450 415 10
5V4-GA 175 1400 2 375 400 25
GZ37 350 1000 2.8 450 388 37
5U4-GA 250 1550 3 450 381 44
5U4-G 225 1550 3 450 381 44
5U4-GB 275 1550 3 450 375 50
5Y3-G/GA 125 1400 2 350 365 60
5R4GYB 250 3100 2 900 362 63
5R4G/GY/GYA 250 3100 2 750 358 67

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