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Gas Filled Glow Discharge Voltage Regulators |
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These are the Zener Diodes of the tube world. Unlike Zener Diodes they can't be manufactured in any voltage desired. |
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Their voltages are determined by the ionization characteristics of the innert gases. That is why there are so few. |
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Type |
Operating Voltage |
Starting Voltage |
Minimum Current |
Maximum Current |
Regulation Imin to Imax |
Base |
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0A2 |
151V |
185V |
5mA |
30mA |
6V |
7 pin mini |
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0A3 |
75V |
105V |
5mA |
40mA |
6.5V |
Octal |
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0B2 |
108V |
133V |
5mA |
30mA |
4V |
7 pin mini |
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0B3 |
90V |
125V |
10mA |
30mA |
6V |
Octal |
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0C2 |
75V |
115V. If tube is in total darkness, 145V |
5mA |
30mA |
4.5V |
7 pin mini |
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0C3 |
105V |
127V |
5mA |
40mA |
4V |
Octal |
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0D3 |
150V |
180V |
5mA |
40mA |
5.5V |
Octal |
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5651 |
82 |
107 |
1.5mA |
3.5mA |
3V |
7 pin mini |