TUBE: 6DN7
FICHIER SOURCE: sheets/049/6/6DN7.pdf
FABRICANT: RCA (Electron Tube Division, Harrison NJ)
ANNEE: 10-59 (October 1959)
PAGES: 3 (pages 1-2 data, page 3 outline drawing)
LANG: en

===== PAGE 1 =====
RCA 6DN7
MEDIUM-MU DUAL TRIODE — With Dissimilar Units
GENERAL DATA
Electrical:
  Heater, for Unipotential Cathodes:
    Voltage (AC or DC) = 6.3 ± 10% volts
    Current = 0.9 amp
  Direct Interelectrode Capacitances (approx., without external shield):
                          Unit No.1   Unit No.2
    Grid to plate           4           5.5     µµf
    Grid to cathode+heater  2.2         4.6     µµf
    Plate to cathode+heater 0.7         1       µµf

Characteristics, Class A1 Amplifier:
                          Unit No.1   Unit No.2 (two columns)
  Plate Voltage             250         150 / 250   volts
  Grid Voltage              -8          0 / -9.5    volts
  Amplification Factor      22.5        - / 15.4
  Plate Resistance (approx) 9000        - / 2000    ohms
  Transconductance          2500        - / 7700    µmhos
  Plate Current             8           68* / 41    ma
  Grid Voltage (approx) for plate ma=10:  -18  (Unit1)
  Grid Voltage (approx) for plate ma=50:  -23  (Unit2)

Mechanical:
  Operating Position: Any
  Max Overall Length: 3"
  Max Seated Length: 2-7/16"
  Max Diameter: 1-9/32"
  Bulb: T9
  Base: Intermediate-Shell Octal 8-Pin with External Barriers (JEDEC Group 1, B8-142)
  Basing Designation (bottom view): 8BD
  Pin 1 - Grid of Unit No.2
  Pin 2 - Plate of Unit No.2
  Pin 3 - Cathode of Unit No.2
  Pin 4 - Grid of Unit No.1
  Pin 5 - Plate of Unit No.1
  Pin 6 - Cathode of Unit No.1
  Pin 7 - Heater
  Pin 8 - Heater

VERTICAL-DEFLECTION OSCILLATOR (values for Unit No.1)
Maximum Ratings, Design-Maximum Values (525-line, 30-frame system):
  DC PLATE VOLTAGE = 350 max volts

===== PAGE 2 =====
RCA 6DN7 — MEDIUM-MU DUAL TRIODE With Dissimilar Units
(continued, Unit No.1 / Vertical-Deflection Oscillator)
  PEAK NEGATIVE-PULSE GRID VOLTAGE = 400 max volts
  PLATE DISSIPATION = 1 max watt
  PEAK HEATER-CATHODE VOLTAGE: heater neg wrt cathode 200 max V; heater pos wrt cathode 200 max V
Maximum Circuit Values:
  Grid-Circuit Resistance: fixed-bias 2.2 max MΩ; cathode-bias 2.2 max MΩ

VERTICAL-DEFLECTION AMPLIFIER (values for Unit No.2)
Maximum Ratings, Design-Maximum Values (525-line, 30-frame system):
  DC PLATE VOLTAGE = 550 max volts
  PEAK POSITIVE-PULSE PLATE VOLTAGE = 2500 max volts
  PEAK NEGATIVE-PULSE GRID VOLTAGE = 250 max volts
  CATHODE CURRENT: Peak 150 max ma; Average 50 max ma
  PLATE DISSIPATION = 10 max watts
  PEAK HEATER-CATHODE VOLTAGE: heater neg 200 max V; heater pos 200 max V
Maximum Circuit Values:
  Grid-Circuit Resistance: fixed-bias 2.2 max MΩ
Notes: heater-cathode DC component must not exceed 100 V.

===== PAGE 3 =====
[Outline / dimensional drawing — T9 bulb, base JEDEC Group 1 B8-142]
Dims: dia 1.188" max / 1.062" min; 2-7/16" max seated; 3" max overall; 1-9/32" max base dia. Drawing 92CS-10241 / CE-10241.