TUBE: E55L
FICHIER SOURCE: sheets/030/e/E55L.pdf
FABRICANT: Philips (SQ series; trilingual EN/FR/DE)
ANNEE: 10.10.1961 (7Z2 series; Tentative data)
PAGES: 8 (3 data + 4 graph + 1 front page)

===== PAGE 1 =====
SQ  PHILIPS  E55L
SPECIAL QUALITY, SHOCK AND VIBRATION RESISTANT, LONG LIFE PENTODE
for use as wide band output pentode in professional equipment.
[FR/DE trilingual: Breitband-Endpentode]
Heating: indirect by A.C. or D.C., parallel supply
  Vf = 6.3 V
  If = 600 mA
Base, culot, Sockel: MAGNOVAL
Dimensions in mm: max 30.2; max 67.9 / max 76.6 height
Pinout (magnoval diagram, viewed from below):
  pin1=a; pin2=g3; pin3=g2; pin4=f; pin5=f; pin6=g3; pin7=k; pin8=g1; pin9=k
  [k=pins 7&9; g3=pins 2&6; a=pin1]
CAPACITANCES:           Unshielded      Shielded
  Cg1          =        18 pF           18 pF
  Cg1(Ik=55.5mA)=       28 pF           28 pF
  Ca           =        4 pF            6 pF
  Cag1         =        0.11 pF         0.08 pF

===== PAGE 2 =====
Typical characteristics:
  Va    =  125    V
  Vg3   =  0      V
  Vg2   =  125    V
  Vg1   =  -3     V
  Ia    =  50     mA
  Ig2   =  5.5    mA
  S     =  45     mA/V
  Ri    =  20     kOhm
  mu_g2g1 = 30
  rg1 (f=50 Mc/s) = 1   kOhm
Typical characteristics in triode connection (g2 connected to a):
  Va    =  125    V
  Vg3   =  0      V
  Vg1   =  -3     V
  Ia    =  55.5   mA
  S     =  50     mA/V
  mu    =  30
Operating characteristics:
  Vba   =  140    V
  Vg3   =  0      V
  Vbg2  =  140    V
  Vbg1  =  +12    V
  Rk    =  270    Ohm
  Ia    =  50     mA
  Ig2   =  5.5    mA
  S     =  45     mA/V

===== PAGE 3 =====
Limiting values (Absolute limits):
  Vao   = max. 400   V
  Va    = max. 200   V
  Wa    = max. 10    W
  Vg2o  = max. 350   V
  Vg2   = max. 175   V
  Wg2   = max. 1.5   W
  -Vg1  = max. 55    V
  +Vg1  = max. 0     V
  Rg1   = max. 125   kOhm
  Ik    = max. 75    mA (1)
  Vkf   = max. 200   V
  tbulb = max. 180   deg C (1)
  1) In applications where long life is not required, Ik max.100 mA and tbulb max.220 deg C.

===== PAGE 4 =====
[courbes seules — pas de donnees tabulaires]
(Ref A: Ig2,S,Ia=f(Vg1), Va=125 Vg2=125)

===== PAGE 5 =====
[courbes seules — pas de donnees tabulaires]
(Ref B: Ia=f(Va), Vg2=125, Vg1 0 to -4.5V; Wa=10W)

===== PAGE 6 =====
[courbes seules — pas de donnees tabulaires]
(Ref C: Ig2=f(Va), Vg2=125, Vg1 param)

===== PAGE 7 =====
[courbes seules — pas de donnees tabulaires]
(Ref D: Ia,S=f(Vg1), Va=125)

===== PAGE 8 =====
[Front page / index] PHILIPS Electronic Tube Handbook. Pages 1-3 sheets 1961.10.10; A-D graphs; FP 1999.06.09.