Tube Substitutions for:
7C4
High Frequency Diode
| Type | Substitutes | Base Diagram |
|---|---|---|
| 7C4 | 1203, 1203A |  |
| Web References | 7C4 @ RadioMuseum.org | |
High Frequency Diode
MECHANICAL DATA
| Basing | 4AH |
ELECTRICAL DATA
HEATER CHARACTERISTICS
| Heater Voltage | 6.3 | Volts |
| Heater Current | 0.15 | A |