TUBE: 6KD6
FICHIER SOURCE: sheets/123/6/6KD6.pdf
FABRICANT: General Electric (GE Tubes, Tube Department, Owensboro, Kentucky)
ANNÉE: 1967 (11-67; curves SEPTEMBER 8, 1966)
TYPE: Compactron Beam Pentode (beam power tube)

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GE 6KD6 — COMPACTRON BEAM PENTODE
For TV Horizontal-Deflection Amplifier Applications
Highlights: COLOR TV TYPE; 33 WATTS PLATE DISSIPATION; 280 VOLTS B+; 400 MILLIAMPERES DC CATHODE CURRENT; OVER 1 AMPERE PEAK CURRENT
"The 6KD6 is a compactron beam-power pentode primarily designed for use as the horizontal-deflection amplifier in color television receivers. ... scan 90-degree large screen color picture tubes at 25 KV from 280-volt power supplies..."

ELECTRICAL:
Cathode - Coated Unipotential
Heater Voltage, AC or DC ... 6.3 ± 0.6 Volts
Heater Current ... 2.85 Amperes
Direct Interelectrode Capacitances (approx.):
  Grid-Number 1 to Plate (g1 to p) ... 0.8 pf
  Input: g1 to (h+k+g2+b.p.) ... 40 pf
  Output: p to (h+k+g2+b.p.) ... 16 pf

MECHANICAL:
Operating Position - Any
Envelope - T-12, Glass
Base - E12-74, Button 12-Pin
Top Cap - C1-2, Skirted Miniature
Outline Drawing - EIA 12-118
Maximum Diameter ... 1.563 in; Minimum Diameter ... 1.437 in
Maximum Over-all Length ... 4.625 in
Maximum Seated Height ... 4.250 in; Minimum Seated Height ... 4.000 in

TERMINAL CONNECTIONS (BASING DIAGRAM EIA 12GW):
Pin 1 - Heater
Pin 2 - Cathode
Pin 3 - Grid Number 2 (Screen)
Pin 4 - Beam Plates
Pin 5 - Grid Number 1
Pin 6 - No Connection
Pin 7 - Internal Connection - Do Not Use
Pin 8 - No Connection
Pin 9 - Grid Number 1
Pin 10 - Beam Plates
Pin 11 - Grid Number 2 (Screen)
Pin 12 - Heater
Cap - Plate

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MAXIMUM RATINGS — HORIZONTAL-DEFLECTION AMPLIFIER SERVICE (Design-Maximum Values):
DC Plate-Supply Voltage (Boost + DC Power Supply) ... 990 Volts
Peak Positive Pulse Plate Voltage ... 7000 Volts
Positive DC Beam Plate Voltage ... 20 Volts
Screen Voltage ... 200 Volts
Peak Negative Grid-Number 1 Voltage ... 250 Volts
Plate Dissipation (Absolute-Maximum Value) ... 33 Watts
Screen Dissipation ... 5.0 Watts
DC Cathode Current ... 400 mA
Peak Cathode Current ... 1400 mA
Heater-Cathode Voltage:
  Heater Positive w.r.t. Cathode: DC Component ... 100 Volts; Total DC and Peak ... 200 Volts
  Heater Negative w.r.t. Cathode: Total DC and Peak ... 200 Volts
Grid-Number 1 Circuit Resistance ... 2.2 Megohms
Beam Plate Circuit Resistance ... 0.01 Megohms
Bulb Temperature ... 225 C

CHARACTERISTICS AND TYPICAL OPERATION — AVERAGE CHARACTERISTICS:
Plate Voltage ... 5000 / 45 / 60 / 150 Volts
Beam Plates Connected to Cathode at Socket
Screen Voltage ... 110 / 160 / 110 / 110 Volts
Grid-Number 1 Voltage ... --- / 0 / 0 / -22.5 Volts
Plate Resistance, approximate ... --- / --- / --- / 6000 Ohms
Transconductance ... --- / --- / --- / 14000 Micromhos
Plate Current ... --- / 1100** / 780** / 100 mA
Screen Current ... --- / 110** / 44** / 2.0 mA
Grid-Number 1 Voltage approx. Ib=1.0 mA ... -125 / --- / --- / -40 Volts
Triode Amplification Factor ... --- / --- / --- / 4.0
Notes: (**) recurrent waveform method. (‡‡) Triode connection (screen tied to plate) Eb=Ec2=150V, Ec1=-22.5V.

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[courbes seules — average plate characteristics Ec2=110V beam plates tied to cathode; average plate characteristics Ec1=0V Ec2=175V]

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[courbes seules — average transfer characteristics Eb=150V (plate current vs grid1); average transfer characteristics Eb=150V (screen current vs grid1)]