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Advance Electron Tube Data Sheet
Western Electric 416A Electron Tube
| Description |
| The 416A is a disc-seal planar type triode designed for use as an amplifier or frequency multiplyer at frequencies in the order of 4000 megacycles. |
| Maximum Ratings, Absolute Values |
|
| Plate Voltage |
250 volts |
| Grid Voltage |
+1.0 volt |
| Plate Current |
33 milliamperes |
| Grid Current |
10 milliamperes |
| Plate Dissipation |
7.5 watts |
| Plate Seal Temperature |
125° Centigrade |
| Grid Seal Temperature |
100° Centigrade |
| Heater-Cathode Voltage |
45 volts |
General Characteristics
| Electrical Data |
|
| Heater Voltage |
6.3 volts |
| Heater Current |
1.5 amperes |
| Amplification Factor |
300 |
| Transconductance (1b = 30ma) |
50000 micromhos |
| Direct Interelectrode Capacitances |
|
| Grid to Plate |
1.25 |
| Grid to Shell* |
7.5 |
| Plate to Shell |
0095 |
| Cathode to Shell |
42.5 |
| *Cathode connected to shell through cathode to shell capacitance |
| Mechanical Data |
|
| Cathode |
Unipotential |
| Mounting Position |
Any |
| Weight, Approximate |
1 ounce |
| Typical Operating Conditions And Characteristics |
|
| Plate Voltage |
200 volts |
| Plate Current |
30 milliamperes |
| Plate Dissipation |
6 watts |
| Cathode Bias Resistor |
250 ohms |
| Grid Supply Voltage |
8 volts |
| Frequency |
4000 megacycles |
| Gain (50 Milliwatts Output) |
9 decibels |
| Gain (500 Milliwatts Output) |
3 decibels |
| Band Width (3 db Down) |
100 megacycles |
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