TUBE: 6JN6
FICHIER SOURCE: sheets/123/6/6JN6.pdf
FABRICANT: General Electric (GE Electronics, Tube Department, Owensboro, Kentucky)
ANNÉE: 1964 (4-64; curves dated JANUARY 31, 1964)
TYPE: Compactron Beam Pentode (beam power tube)

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GE 6JN6 — COMPACTRON BEAM PENTODE
"The 6JN6 is a compactron beam-power pentode primarily designed for use as the horizontal-deflection amplifier in television receivers. A separate connection is provided for the beam plates to minimize 'snivets'."

ELECTRICAL:
Cathode - Coated Unipotential
Heater Voltage, AC or DC ... 6.3 ± 0.6 Volts
Heater Current ... 1.2 Amperes
Direct Interelectrode Capacitances (approximate):
  Grid-Number 1 to Plate (g1 to p) ... 0.34 pf
  Input: g1 to (h+k+g2+b.p.) ... 16 pf
  Output: p to (h+k+g2+b.p.) ... 7.0 pf

MECHANICAL:
Operating Position - Any
Envelope - T-12, Glass
Base - E12-74, Button 12-Pin
Outline Drawing - EIA 12-56
Maximum Diameter ... 1.563 in
Maximum Over-all Length ... 2.875 in
Maximum Seated Height ... 2.500 in

TERMINAL CONNECTIONS (BASING DIAGRAM EIA 12FK):
Pin 1 - Heater
Pin 2 - Cathode
Pin 3 - Grid Number 2 (Screen)
Pin 4 - Beam Plates
Pin 5 - No Connection
Pin 6 - No Connection
Pin 7 - Plate
Pin 8 - No Connection
Pin 9 - No Connection
Pin 10 - Beam Plates
Pin 11 - Grid Number 1
Pin 12 - Heater

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MAXIMUM RATINGS — HORIZONTAL-DEFLECTION AMPLIFIER SERVICE (Design-Maximum Values):
DC Plate-Supply Voltage (Boost + DC Power Supply) ... 770 Volts
Peak Positive Pulse Plate Voltage ... 6500 Volts
Peak Negative Pulse Plate Voltage ... 1500 Volts
Positive DC Beam Plate Voltage ... 70 Volts
Screen Voltage ... 220 Volts
Negative DC Grid-Number 1 Voltage ... 55 Volts
Peak Negative Grid-Number 1 Voltage ... 330 Volts
Plate Dissipation ... 17.5 Watts
Screen Dissipation ... 3.5 Watts
DC Cathode Current ... 175 mA
Peak Cathode Current ... 550 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 ... 1.0 Megohms
Bulb Temperature at Hottest Point ... 220 C

CHARACTERISTICS AND TYPICAL OPERATION — AVERAGE CHARACTERISTICS:
Plate Voltage ... 5000 / 60 / 250 Volts
Beam Plates Connected to Cathode at Socket
Screen Voltage ... 150 / 150 / 150 Volts
Grid-Number 1 Voltage ... --- / 0(Δ) / -22.5 Volts
Plate Resistance, approximate ... --- / --- / 18000 Ohms
Transconductance ... --- / --- / 7300 Micromhos
Plate Current ... --- / 345 / 65 mA
Screen Current ... --- / 27 / 1.8 mA
Grid-Number 1 Voltage approx. Ib=1.0 mA ... -100 / --- / -42 Volts
Triode Amplification Factor ... --- / --- / 4.4
Notes: (Δ) Applied short interval (2s max). (**) Triode connection (screen triode to plate) Eb=Ec2=150V, Ec1=-22.5V.

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[courbes seules — average plate characteristics Ec2=150V beam plates tied to cathode; average plate characteristics Ec1=0V Ec2=200V]

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[courbes seules — average transfer characteristics Eb=250V (plate current vs Vg1); average transfer characteristics Eb=250V (screen current vs Vg1)]