6S52N, 6S52N-V
6C52H, 6C52H-B
Triodes, used as an power amplifier and oscillator.
Envelope: metal-ceramic sub miniature.
Mass 3 g.
Lead diagram
General characteristics:
| Type | 6C52H | 6C52H-B | Unit |
| Filament voltage | 6.3 | 6.3 | Volt |
| Filament (heater) current | 130±20 | 130±20 | mA |
| Anode voltage | 120 | 120 | Volt |
| Anode current | 8±2.5 | 8±2.5 | mA |
| Resistance in cathode circuit | 130 | 130 | Ohm |
| Reverse grid current | £0,1 | £0,1 | mkA |
| Dissipate cathode-heater current | £20 | £20 | mkA |
| Mutual conductance | ³7 | 10±2.5 | mA/V |
| Gain coefficient | 64±20 | 60±15 | |
| Input resistance (at f=60 MHz) | ³ 6 | ³ 6 | kOhm |
| Eqvivalent noise resistance | — | £0,4 | kOhm |
| Vibration noise (at RA=2 kOhm) | £40 | £40 | mV |
| Inter-electrode capacitance: | |||
| input | 4.2±1.3 | 4.2±0.8 | pF |
| output | 1.9±0.6 | 2.1±0.7 | pF |
| transfer | £1.3 | 0.85±0.15 | pF |
Limited operating values:
| Filament voltage | 5.7 to 7 | Volt |
| Anode voltage | 120 | Volt |
| Grid voltage | - 55 | Volt |
| Cathode – heater voltage | 100 | Volt |
| Cathode current | 15 | mA |
| Anode dissipation | 1.2 | W |
| Grid dissipation | 0.2 | W |
| Resistance in grid circuit | 1 | MOhm |
Operating environmental conditions :
| Tipe | 6C52H | 6C52H-B | Unit |
| Acceleration of vibration loads | 2.5 | 15 | g |
| at the frequencies | 10 to 150 | 5 to 5000 | Hz |
| Acceleration of multiple impacts | 35 | 150 | g |
| Acceleration of single impact | — | 1000 | g |
| Continuous acceleration | — | 150 | g |
| Ambient temperature | –60 to +125 | –60 to +200 | °C |
| Relative humidity at up to 40°C | 98 | 98 | % |
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| Plate curves | Plate-grid curves |