TUBE: 6DN7
FICHIER SOURCE: sheets/127/6/6DN7.pdf
FABRICANT: Tung-Sol Electric Inc. (Electron Tube Division, Bloomfield NJ)
ANNEE: March 1, 1962 (Plate #6408)
PAGES: 2 (both data)
LANG: en

===== PAGE 1 =====
TUNG-SOL 6DN7
DOUBLE TRIODE
  Coated Unipotential Cathode
  Heater: 6.3 ± 10% Volts, 0.9 Amp, AC or DC
  Any Mounting Position
  Glass bulb T-9, Intermediate-Shell 8-Pin Octal B8-142, outline drawing JEDEC 9-5
  Dims: 1.188" max dia, 2.438" max, 3.000" max, 1.281" max base dia
  Basing diagram (bottom view) JEDEC 8BD:
    Pin1=2P (plate sec2), Pin2=2P? — labeled: (1)2P (2)2P... reading: 1=2G?
    Labels shown: IG(4) IP(5) 2K(3) IK(6) 2P(2) H(7) 2G(1) H(8)
    => Pin1=Grid Sec2 (2G), Pin2=Plate Sec2 (2P), Pin3=Cathode Sec2 (2K), Pin4=Grid Sec1 (1G), Pin5=Plate Sec1 (1P), Pin6=Cathode Sec1 (1K), Pin7=Heater, Pin8=Heater
The 6DN7 is a double triode with dissimilar sections. Section #1 designed for use as a vertical-deflection oscillator in TV receivers and Section #2 for use as a vertical-deflection amplifier.

DIRECT INTERELECTRODE CAPACITANCES (approx, without external shield):
                  Sec.#1   Sec.#2
  Grid to Plate    4.0       5.5    pf
  Input            2.2       4.6    pf
  Output           0.7       1.0    pf

RATINGS (Design-Maximum System):
                                  Vert.Osc.Serv(Sec1)   Vert.Defl.Amp(Sec2)
  Max DC Plate Voltage             350                    550        Volts
  Max Peak Positive Pulse Plate    ---                    2500       Volts
  Max Peak Negative Grid Voltage   400                    250        Volts
  Max Plate Dissipation            1.0                    10(B)      Watts
  Max DC Cathode Current           ---                    50         ma
  Max Peak Cathode Current         ---                    150        ma
  Max Heater-Cathode Voltage:
    Heater Pos wrt Cathode DC Comp 100                    100        Volts
    Total DC and Peak              200                    200        Volts
    Heater Neg wrt Cathode Tot     200                    200        Volts
  Max Grid-Circuit Resistance:
    With Fixed Bias                2.2                    2.2        Megohms
    With Cathode Bias              2.2                    ---        Megohms

===== PAGE 2 =====
TUNG-SOL 6DN7
TYPICAL OPERATING CONDITIONS AND CHARACTERISTICS (Average Characteristics)
                                  Section 1 (Oscillator)   Section 2 (Amplifier)
  Plate Voltage                    250                      150 / 250  Volts
  Grid Voltage                     -8.0                     0(C) / -9.5 Volts
  Amplification Factor             22.5                     --- / 15.4
  Plate Resistance (approx)        9000                     --- / 2000 Ohms
  Transconductance                 2500                     --- / 7700 µmhos
  Plate Current                    8.0                      68 / 41    ma
  Grid Voltage approx (Ib=10µA)    -18                      ---
  Grid Voltage approx (Ib=50µA)    ---                      -23 Volts
Notes: A=525-line 30-frame; B=grid-leak bias needs cathode-bias resistor; C=applied short interval (2s max).