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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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