6CD6G

Beam Tetrode — Octal

Tung-Sol

Known Equivalents & Substitutes

6CD6GA6DN66EX6

Similar Tubes (Not Drop-In Compatible)

6BQ6GT

Earlier horizontal deflection beam tetrode on Octal base — lower power capability, not a drop-in

Similar horizontal deflection beam tetrode but different operating points — not identical

Electrical Specifications

Absolute Maximum

Anode Voltage (max)Anode Voltage (max DC)700V

Screen Voltage (max)Screen Voltage (max)175V

Anode Dissipation (max)Anode Dissipation (max)15W

Screen Dissipation (max)Screen Dissipation (max)3W

Cathode Current (max)Cathode Current (max DC)

Capacitances

Grid-to-Plate CapacitanceGrid-to-Plate Capacitance1pF

Grid-to-Cathode CapacitanceInput Capacitance26pF

Anode-to-Cathode CapacitanceOutput Capacitance10pF

Heater

Heater VoltageHeater Voltage6.3V

Heater CurrentHeater Current2.5A

Notes

Maximum ratings for TV horizontal deflection service (525-line, 30-frame): plate voltage 700V, peak positive-pulse plate voltage 6000V, peak negative-pulse plate voltage -1500V, screen voltage 175V, plate dissipation 15W.
Typical horizontal deflection operating conditions: plate supply 500V (350V DC + 150V boost), screen 170V, cathode bias 500Ω, plate current 90mA DC, screen current 15.5mA.
The 6CD6GA is an improved version with identical ratings.
Direct interelectrode capacitances: grid to plate 1 uuF max, input 26 uuF, output 10 uuF.

Pin Layout — Octal

1No Connection

2Heater

3Plate

4

Socket-Compatible Tubes ⚠ Not electrically compatible

References