| Type | Substitutes | Base Diagram |
|---|---|---|
| 35 | 51, 24A§, 35S, 35/51, 35S/51S, 51S, 24S§ |  |
| Notes: | § - May not work in all circuits | |
| Web References | 35 (RCA) @ Franks Electron Tubes 35 (Sylvania) @ Franks Electron Tubes 35 (Tung-Sol) @ Franks Electron Tubes 35 @ RadioMuseum.org | |
| Bulb | ST-14 |
| Base | Medium 5 Pin |
| Basing | 5E |
| Heater Voltage | 2.5 | Volts |
| Heater Current | 1.75 | Amps |
| Grid-Plate Capacitance (with shield-can) | 0.007 | ��f |
| Input Capacitance | 5.3 | ��f |
| Output Capacitance | 10.5 | ��f |
| Plate Voltage1 | 180 | 250 | Volts |
| Screen Voltage (Grid No. 2) | 90 | 90 | Volts |
| Grid Voltage, Variable (Grid No. 1) | -3.0 | -3.0 | Volts |
| Plate Current | 6.3 | 6.5 | Ma |
| Screen Current (Maximum) | 2.5 | 2.5 | Ma |
| Plate Resistance | 0.3 | 0.4 | Megohms |
| Transconductance | 1020 | 1050 | �mhos |
| Transconductance (at -40 volts bias) | 15 | 15 | �mhos |
| 1 | Maximum plate voltage = 275 volts |