6AU5GT Beam Pentode
General Information
The 6AU5 GT is a beam power amplifier designed for use as a horizontal deflection amplifier.
Characteristics
| Cathode indirectly heated oxide coated |
| |
|
|
| Heater Voltage |
6.3 |
V |
| Heater current |
1.25 |
A |
Inter-Electrode Capacities
| Grid 1 Anode |
0.5 |
|
pF |
| Grid 1 – Cathode, Grid 3, Grid 2 & heater |
11.3 |
pF |
|
| Anode – Cathode, Grid 3, Grid 2 & heater |
7.0 |
pF |
|
Maximum Ratings
| Maximum anode voltage |
550 |
V |
| Absolute Maximum Peak Positive - pulse anode voltage |
5500 |
V |
| Maximum Peak Negative - pulse anode voltage |
-1250 |
V |
| Maximum Screen (Grid 2) Voltage |
200 |
V |
| Maximum Peak Negative - pulse Control Grid voltage |
-300 |
V |
| Maximum Peak Cathode Current |
400 |
mA |
| Maximum Average Cathode Current |
110 |
mA |
| Maximum anode dissipation |
10 |
W |
| Maximum Screen (Grid 2) dissipation |
2.5 |
W |
| Maximum Peak Heater- Cathode Voltage |
|
|
| Heater Negative with respect to Cathode |
200 |
V |
| Heater Positive with respect to Cathode |
200 |
V |
Dimensions
Maximum height 84mm
Seated height 70mm
Diameter 33mm
BASE - International Octal 8 pin
Base Connections
Pin 1 Grid
Pin 2 Heater
Pin 3 Cathode/grid
Pin 4 No Pin
Pin 5 Anode
Pin6 No Pin
Pin 7 Heater
Pin 8 Grid 2
Typical Operating Conditions
Pentode Operation – (Eb = 115V, Ec2 = 175V and Ec1 = -20V ) |
| Anode Current |
60 |
mA |
| Grid 2 Current |
6.8 |
mA |
| Transconductance |
5600 |
µmhos |
| Anode resistance |
6000 |
Ω |
| |
|
|
Zero Bias: ((Eb = 60V, Ec2 = 175V ) |
| |
210 |
mA |
| |
25 |
mA |
| |
|
|
Cut-Off: ( Ib =1 mA with Eb =115V and Ec2 = 150 V ) |
|
|
| Grid 1 (Control Grid) Voltage (Approx.) |
-45 |
V |
| |
|
|
| Triode Amplification Factor ( Eb =100V and Ec1 = -4.5V) |
5.9 |
|
|
