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6N30P-DR (6H30n-DP)
General
Double triode.
Envelope: miniature glass.
Mass 20 g.
Size: h=72.5, d=22.5
Lead diagram

General characteristics
| Type | 6N30P-DR |
| Filament voltage, Volt | 6.3 |
| Anode voltage, Volt | 80 |
| Resistance in cathode circuit, Ohm | 56 |
| Type | 6N30P-DR |
| Filament (heater) current, mA | 825 |
| Anode current, mA | 40 |
| Reverse grid current, mkA | £1.5 |
| Dissipate cathode-heater current, mkA | £15 |
| Mutual conductance, mA/V | 18 |
| Gain coefficient | 15 |
| Inter electrode capacitance, pF: input |
6.3 |
| output | 2.4 |
| transfer | 6 |
| Operation time, h | ³10000 |
| shell-life, year | 15 |
Limited operating values
| Type | 6N30P-DR |
| Filament voltage, V | 6-6.6 |
| Anode voltage, V | 250 |
| Pulse grid voltage, V | - 500 |
| Cathode - heater voltage, V | 400 |
| Pulse cathode current, A | 6 |
| Cathode current, mA | 100 |
| Anode dissipation, W | 4 |
| Grid dissipation, W | 0.4 |
| Resistance in grid circuit, KOhm | 300 |