TUBE: EL3N
SOURCE FILE: sheets/030/e/EL3N.pdf
MANUFACTURER: Philips (Electronic Tube Handbook)
YEAR: 8.8.1953
PAGES: 3 (page 3 is handbook index/cover)

===== PAGE 1 =====
PHILIPS — EL3N — OUTPUT PENTODE / PENTHODE DE SORTIE / ENDPENTHODE
Heating: indirect; parallel supply:
  Vf: 6.3 V
  If: 0.9 A
Dimensions in mm: max 46 (dia), max 115 (height).
PINOUT (Base P / side-contact European): a (top); k,g3,m; g1; g2; (pins 1-8 around). Base, culot, Sockel: P
  [drawing: a top; k,g3,m left-upper; g1 left; g2 right; pins numbered 1=k,g3,m / ... / 5=g1 / 8=a / g2]
Operating characteristics class A:
  Va: 250 V
  Vg2: 250 V
  Rk: 150 Ω
  Vg1: -6 V
  Ia: 36 mA
  Ig2: 4 mA
  S (transconductance): 9 mA/V
  Ri: 50 kΩ
  Ra: 7 kΩ
  Wo (dtot=10%): 4.5 W
  V1 (dtot=10%): 4.2 Veff
  V1 (Wo=50 mW): 0.35 Veff
  µg2g1: 23

===== PAGE 2 =====
Operating characteristics class AB:
  Va: 250 V
  Vg2: 250 V
  Rk: 140 Ω
  Raa: 10 kΩ
  V1: 0 ... 6.7 Veff
  Ia: 2x24 ... 2x28.5 mA
  Ig2: 2x2.8 ... 2x4.6 mA
  Wo: 0 ... 8.2 W
  dtot: 0 ... 3.1 %
Limiting values / Grenzdaten:
  Vao: max 550 V
  Va: max 250 V
  Wa: max 9 W
  Vg2o: max 550 V
  Vg2: max 275 V
  Wg2 (V1=0): max 1.2 W
  Wg2 (Wo=max): max 2.5 W
  Ik: max 55 mA
  Vg1 (Ig1=+0.3µA): max -1.3 V
  Rg1: max 1 MΩ
  Vkf: max 100 V
  Rkf: max 5 kΩ
Remark: The tube should only be used with automatic or semi-automatic bias.

===== PAGE 3 =====
[Philips Electronic Tube Handbook cover/index page — EL3N: page1 sheet1 1953.08.08, page2 sheet2 1953.08.08, page3 FP 1999.07.04. No tube data.]