TUBE: EL34
SOURCE FILE: sheets/030/e/EL34.pdf
MANUFACTURER: Philips (Electronic Tube Handbook) — trilingual EN/FR/DE
YEAR: Multi-edition compilation; sheets dated 1949.10.10 to 1959.07.07 (FP scan 2005.05.06)
PAGES: 21 (pages 1-8 = data, two editions each; pages 9-19 = curves A-K; pages 20-21 = FP cover/index)
TYPE (per PDF): OUTPUT PENTODE / PENTHODE DE SORTIE / ENDPENTODE

NOTE: This is a compilation containing TWO editions of each data sheet (an older + a 1959 revision).
Key versioned difference: Vg2 max printed as 425 V in 1956 sheet (page 7) and revised to 500 V in 1959 sheet (page 8).

===== PAGE 1 (sheet 1, 1958.02.02) =====
PHILIPS — EL34 — OUTPUT PENTODE / PENTHODE DE SORTIE / ENDPENTODE
Heating: indirect by A.C. or D.C.; parallel supply.  Vf = 6,3 V ; If = 1,5 A
Base/Culot/Sockel: OCTAL ; Socket/Support 5903/13
Pinout (base diagram): pin1=g3; pin2=f; pin3=a; pin4=g2; pin5=g1; pin7=f; pin8=k
Dimensions: max 33.3 dia; max 98 / max 112 height
Capacitances: Cg1 = 15,2 pF ; Ca = 8,4 pF ; Cag1 < 1,1 pF ; Cg1f < 1,0 pF ; Ckf < 10 pF
Remark: When using a sinusoidal input signal care should be taken not to exceed the maximum admissible Wg2.

===== PAGE 2 (sheet 1, 1959.07.07) =====
[Duplicate of page 1, 1959 edition. Same values. Ckf < 10 pF.]

===== PAGE 3 (sheet 2, 1958.02.02) =====
Operating characteristics class A (two columns)
Vb = 265 / 265 V ; Va = 250 / 250 V ; Rg2 = 2 / 0 kohm ; Vg3 = 0 / 0 V ; Vg1 = -14,5 / -13,5 V
Ia = 70 / 100 mA ; Ig2 = 10 / 14,9 mA ; S = 9,0 / 11 mA/V ; mu(g2g1) = 11 / 11
Ri = 18 / 15 kohm ; Ra~ = 3,0 / 2,0 kohm ; Vi = 9,3 / 8,7 Veff ; Wo = 8 / 11 W ; dtot = 10 / 10 %
Vi (Wo=50mW) = 0,65 / 0,5 Veff
[NOTE: this older 1958 column gives S=9.0 mA/V, Ri=18k at Va=250 Vg1=-14.5]
Operating characteristics class B: Rg2 = 1000 / 470 ohm ; Vg1 = -38 / -32 V ; Vg3 = 0 ;
Vi = 0/27/27 ; 0/22.7/22.7 ; Raa = -/3.4/4.0 ; -/2.8/3.8 kohm ; Vb = 425/425/400 ; 375/375/350 V ;
Va = 420/400/375 ; 370/350/325 V ; Ia = 2x30/2x120/2x100 ; 2x35/2x120/2x93 mA ;
Ig2 = 2x4.4/2x25/2x25 ; 2x4.7/2x25/2x25 mA ; Wo = 0/55/45 ; 0/44/36 W ; dtot = -/5/6 ; -/5/6 %

===== PAGE 4 (sheet 2, 1959.07.07) =====
Operating characteristics class A (two columns) — 1959 edition
Vb = 265 / 265 V ; Va = 250 / 250 V ; Rg2 = 2 / 0 kohm ; Vg3 = 0 / 0 V ; Vg1 = -14,5 / -13,5 V
Ia = 70 / 100 mA ; Ig2 = 10 / 14,9 mA ; S = 11 / 12,5 mA/V ; mu(g2g1) = 11 / 11
Ri = 20 / 17 kohm ; Ra~ = 3,0 / 2,0 kohm ; Vi = 9,3 / 8,7 Veff ; Wo = 8 / 11 W ; dtot = 10 / 10 %
Vi (Wo=50mW) = 0,65 / 0,5 Veff
[NOTE: 1959 edition gives S=11/12.5 and Ri=20/17 — matches the 1969 sheet 010/e.]
Class B block as page 3.

===== PAGE 5 (sheet 3, 1956.02.02) =====
Class B continued: Rg2 = 750 / 750 ohm ; Vg1 = -36 / -39 V ; Vg3 = 0 ;
Vi = 0/25.8/25.8 ; 0/23.4/23.4 Veff ; Raa = -/4/5 ; -/11/11 kohm ;
Vba = 500/500/475 ; 800/800/750 V ; Va = 495/475/450 ; 795/775/725 V ; Vbg2 = 400/400/375 ; 400/400/375 V ;
Ia = 2x30/2x125/2x102 ; 2x25/2x91/2x84 mA ; Ig2 = 2x4/2x25/2x25 ; 2x3/2x19/2x19 mA ;
Wo = 0/70/58 ; 0/100/90 W ; dtot = -/5/6 ; -/5/6 %
Operating conditions class AB: Raa = 3,4 kohm ; Rg2 = 470 ohm ; Rk = 130 ohm ; Vg3 = 0 ;
Vi = 0/21 Veff ; Vb = 375/375 V ; Va+VRk = 355/350 V ; Ia = 2x75/2x95 mA ; Ig2 = 2x11.5/2x22.5 mA ;
Wo = 0/35 W ; dtot = -/5 %

===== PAGE 6 (sheet 3, 1959.07.07) =====
[Duplicate of page 5, 1959 edition. Same values.]

===== PAGE 7 (sheet 4, 1956.02.02) =====
Operating conditions in triode connection (g2 connected to anode)
                  Class A | Class AB
Vb = 375 | 400 V ; Vg3 = 0 | 0 V ; Rk = 370 | 220 ohm ; Ra = 3 | - kohm ; Raa = - | 5 kohm ;
Vi = 18,9 | 0...22 Veff ; Ia = 70 | 2x65...2x71 mA ; Wo = 6 | 0...16,5 W ; d = 8 | 3 % ; Vi(Wo=50mW)=1,7 Veff
LIMITING VALUES (Grenzdaten):
Vao = max. 2000 V ; Va = max. 800 V ; Wa(Vi=0) = max. 25 W ; Wa(Vi>0) = max. 27,5 W ;
Vg2o = max. 800 V ; Vg2 = max. 425 V ; Wg2 = max. 8 W ; Ik = max. 150 mA ;
Vg1 (Ig1=+0,3uA) = max. -1,3 V ; Rg1(A,AB) = max. 0,7 Mohm ; Rg1(B) = max. 0,5 Mohm ;
Vrk(Vfk) = max. 100 V ; Rfk = max. 20 kohm
[NOTE: Vg2 max = 425 V in this 1956 edition.]

===== PAGE 8 (sheet 4, 1959.07.07) =====
[Triode connection block identical to page 7.]
LIMITING VALUES (1959 revision):
Vao = max. 2000 V ; Va = max. 800 V ; Wa(Vi=0) = max. 25 W ; Wa(Vi>0) = max. 27,5 W ;
Vg2o = max. 800 V ; Vg2 = max. 500 V ; Wg2 = max. 8 W ; Ik = max. 150 mA ;
Vg1 (Ig1=+0,3uA) = max. -1,3 V ; Rg1(A,AB) = max. 0,7 Mohm ; Rg1(B) = max. 0,5 Mohm ;
Vfk = max. 100 V ; Rfk = max. 20 kohm
[NOTE: Vg2 max revised to 500 V in this 1959 edition — the divergence from page 7.]

===== PAGE 9 (curve A, 1949.10.10) =====
[courbes seules] Ia, Ig2 vs Vg1; 1. Va=250 Vg2=250; 2. Va=350 Vg2=375; 3. Va=400 Vg2=425; Vg3=0
===== PAGE 10 (curve B, 1949.10.10) =====
[courbes seules] Ia vs Va, Vg2=250 Vg3=0; Wa=25W line; Vg1 0 to -25V
===== PAGE 11 (curve C, 1952.02.02) =====
[courbes seules] Ia vs Va, Vg2=360 Vg3=0; Vg1 0 to -32V; Wa=25W
===== PAGE 12 (curve D, 1952.02.02) =====
[courbes seules] Output Vb=265 Va=250 Vg1=-14.5 Rg2=2k Ra=3k Vg3=0
===== PAGE 13 (curve E, 1951.06.06) =====
[courbes seules] Output Vb=265 Va=250 Vg1=-13.5 Rg2=0 Ra=2k Vg3=0
===== PAGE 14 (curve F, 1951.06.06) =====
[courbes seules] 2xEL34(B) Vb=375 Vg1=-32 Rg2=470 Raa=2.8k
===== PAGE 15 (curve G, 1951.06.06) =====
[courbes seules] 2xEL34(B) Vb=425 Vg1=-38 Rg2=1k Raa=3.4k
===== PAGE 16 (curve H, 1951.06.06) =====
[courbes seules] 2xEL34(B) Vba=500 Vbg2=400 Vg1=-36 Rg2=750 Raa=4k Vg3=0
===== PAGE 17 (curve I, 1951.06.06) =====
[courbes seules] 2xEL34(B) Vba=800 Vbg2=400 Vg1=-39 Rg2=750 Raa=11k Vg3=0
===== PAGE 18 (curve J, 1951.06.06) =====
[courbes seules] 2xEL34(AB) Vb=375 Rg2=470 Rk=130 Raa=3.4k
===== PAGE 19 (curve K, 1951.06.06) =====
[courbes seules] Triode Va=375 Rk=370 Ra=3k Vg3=0
+ PHILIPS Electronic Tube Handbook index page (page/sheet/date list 1949-1959)
===== PAGE 20-21 (FP, 2005.05.06) =====
[Frank Philipse cover/index pages — no tube data]