ARP3 pentode
 |
This valve measures 115x40mm
overall and has a 7 pin base. |
This Canadian Marconi is marked
specifically as an ARP3 equivalent but carries no other part numbers.
| Heater voltage |
13V |
| Heater current |
200mA |
| Max anode voltage |
250V |
| Max screen voltage |
125V |
| Mutual conductance * |
1.65mA/V |
| Anode impedance * |
600k ohms |
| Amplification factor * |
1000 |
| Capacitances |
| Cag max |
0.025pF |
| Cae |
13.0pF |
| Cge |
4.7pF |
*: At Va=250, Vg2=125, Vg1=3.
| Pin |
Function |
| 1 |
n/c |
| 2 |
Anode |
| 3 |
Suppressor grid |
| 4 |
Heater |
| 5 |
Heater |
| 6 |
Cathode |
| 7 |
Screen grid |
| TC |
Control grid |
|
 |
