TUBE: EL86 SOURCE: sheets/030/e/EL86.pdf (24 pages; interleaves two editions: sheets dated 1957.03.03 and 1960.06.06; FP pages 2005.05.06) FABRICANT: Philips (Electronic Tube Handbook, trilingual EN/FR/DE) LANG: English/French/German (mul) ===== PAGE 1 (sheet1, 3.3.1957) ===== PHILIPS EL 86 A.F. OUTPUT PENTODE for single-ended push-pull output stages (without transformer). PENTHODE DE SORTIE B.F. / NF-ENDPENTODE fuer transformatorlose Gegentakt-Endstufen. Heating: indirect by A.C. or D.C., parallel supply. Vf = 6,3 V; If = 760 mA Dimensions in mm (max22 dia; max71.4 / 77.8 h). Base/culot/Sockel: NOVAL. Pinout (Noval): kg3, g1, a, i.c., g2 region; pins f f i.c. / g1 / a / i.c. / kg3 / i.c. g2. Capacitances: Ca = 6,0 pF Cg1 = 12 pF Cag1 < 0,6 pF Cg1f < 0,25 pF Typical characteristics / Kenndaten: Va = 170 V Vg2 = 170 V Vg1 = -12,5 V Ia = 70 mA Ig2 = 5 mA S = 10 mA/V mu(g2g1) = 8 Ri = 23 kOhm [code 939 1454] ===== PAGE 2 (sheet1, 6.6.1960) ===== PHILIPS EL 86 A.F. OUTPUT PENTODE or FRAME OUTPUT PENTODE, designed for supply voltages of about 200 V. Heating: indirect by A.C. or D.C., parallel supply. Vf = 6,3 V; If = 760 mA Base: NOVAL. (max22; max71.4/77.8 mm) Pinout (Noval B9A): pin1 i.c.; pin2 g1; pin3 k,g3; pin4 f; pin5 f; pin6 i.c.; pin7 a; pin8 i.c.; pin9 g2. Capacitances: Ca = 6,8 pF Cg1 = 13 pF Cag1 < 0,6 pF Cg1f < 0,25 pF Typical characteristics: Va = 170 V Vg2 = 170 V Vg1 = -12,5 V Ia = 70 mA Ig2 = 3,5 mA S = 11 mA/V mu(g2g1) = 8 Ri = 26 kOhm [code 7Z2 00 51] ===== PAGE 3 (sheet2, 3.3.1957) ===== Operating characteristics, one tube: Va = 170 V; Vg2 = 170 V; Vg1 = -12,5 V; Ra = 2,4 kOhm Vi = 0 / 0,5 / 7,0 Veff; Ia = 70 / - / 70 mA; Ig2 = 5 / - / 22 mA Wo = 0 / 0,05 / 5,6 W; dtot = - / - / 10 % Operating characteristics single-ended push-pull, single tone (Vb=300V, Ra=1kOhm): Vi = 0 / 0,55 / 5,7 Veff; Ib = 69 / - / 66 mA; Wo = 0 / 0,05 / 4,8 W; dtot = - / - / 9,3 % Single-ended push-pull, double tone (Vb=300V, Ra=1kOhm): Vi = 0 / 2,85 Veff (RMS each tone); Ib = 69 / 66 mA; Wo = 0 / 5,9 W; dtot = - / 8,5 % [code 939 1455] ===== PAGE 4 (sheet2, 6.6.1960) ===== Operating characteristics, class A, one tube: Vb = 200 V; Rg2 = 470 Ohm (not bypassed); Rk = 215 Ohm (Vk constant during meas.); Raa~ = 2,5 kOhm Vi = 0 / 0,52 / 7,0 Veff; Ia = 65 / - / 64 mA; Ig2 = 3,2 / - / 11,4 mA Wo = 0 / 0,05 / 5,3 W; dtot = - / - / 10 % Operating characteristics, class AB, two tubes: Vba = 250 V; Vbg2 = 200 V; Rk = 150 Ohm (common cathode resistor); Raa~ = 5,5 kOhm Vi = 0 / 0,37 / 13,0 Veff; Ia = 2x50 / - / 2x55 mA; Ig2 = 2x2,0 / - / 2x13 mA Wo = 0 / 0,05 / 18,5 W; dtot = - / - / 4,5 % [code 7Z2 00 52] ===== PAGE 5 (sheet3, 3.3.1957) ===== Limiting values / Grenzdaten: Vao = max. 550 V Va = max. 250 V Wa = max. 12 W Vg2o = max. 550 V Vg2 = max. 200 V Wg2 = max. 1,75 W Wg2p = max. 6 W Ik = max. 100 mA Rg1 = max. 1 MOhm (note2: automatic bias) Vkfp (k pos.; f pos.) = max. 300 V (note3: DC component max 150 V) Vkf (k neg.; f pos.) = max. 100 V Rkf = max. 20 kOhm [circuit diagram 2xEL86; code 939 1654] ===== PAGE 6 (sheet3, 6.6.1960) ===== Operating characteristics single-ended push-pull output stage (transformerless): A. Single tone: Vb = 300 V; Ra~ = 1 kOhm Vi = 0 / 0,41 / 5,4 Veff; Ib = 66 / - / 64 mA; Wo = 0 / 0,05 / 4,5 W; dtot = - / - / 9,3 % B. Double tone: Vb = 300 V; Ra~ = 1 kOhm Vi = 0 / 2,7 Veff (RMS each tone); Ib = 66 / 64 mA; Wo = 0 / 5,5 W; dtot = - / 8,5 % Remark (single vs double tone, x2 multiplication). [code 7Z2 00 53] ===== PAGE 7 (sheet4, 3.3.1957) ===== [Remark + Observation + Bemerkung text only — single/double-tone explanation, trilingual. code 939 1457] ===== PAGE 8 (sheet4, 6.6.1960) ===== [Observation/Bemerkung text; Optimum peak anode current in frame output operation: 145 mA @ Va=60V Vg2=170V Vf=6,3V; 190 mA @ Va=70V Vg2=200V; 220 mA @ Va=80V Vg2=220V. code 7Z2 00 54] ===== PAGE 9 (sheet5, 6.6.1960) ===== Min available Iap at end of life, Vf=5,7V: 125 mA @ Va=60V Vg2=170V; 160 mA @ Va=70V Vg2=200V; 185 mA @ Va=80V Vg2=220V Limiting values / Grenzdaten: Vao = max. 550 V; Va = max. 250 V; Vap = max. 2 kV (note1: pulse 4% cycle, max 0,8 ms) Wa = max. 12 W (note2: frame output Wa = max. 10 W) Vg2o = max. 550 V; Vg2 = max. 250 V Wg2 = max. 1,75 W; Wg2p = max. 6 W Ik = max. 100 mA Rg1 = max. 1 MOhm; Rg1 = max. 2 MOhm (note3/4: frame output w/ automatic bias) Vkf = max. 200 V; Rkf = max. 20 kOhm [code 7Z2 00 55] ===== PAGE 10 (sheet A, 1.1.1956) ===== [courbes seules — I (Ia, Ig2) vs Vg1 at Va=Vg2=170V; dated EL86 11-11-'56] ===== PAGE 11 (sheet A, 6.6.1960) ===== [courbes seules — I (Ia, Ig2) vs Vg1; 1. Va=Vg2=200V, 2. Va=Vg2=170V; dated 3-6-1960] ===== PAGE 12 (sheet B, 1.1.1956) ===== [courbes seules — Ia vs Va, Vg2=170V, Vg1 param, Wa=12W line] ===== PAGE 13 (sheet B, 6.6.1960) ===== [courbes seules — Ia vs Va, Vg2=170V, Vg1 param, Wa=12W line] ===== PAGE 14 (sheet C, 1.1.1956) ===== [courbes seules — I vs Wo: Ia/Vi/dtot/Ig2 at Va=170V Vg2=170V Vg1=-12,5V Ra=2,4kOhm] ===== PAGE 15 (sheet C, 6.6.1960) ===== [courbes seules — Ia vs Va, Vg2=200V, Vg1 param, Wa=12W line] ===== PAGE 16 (sheet D, 1.1.1956) ===== [courbes seules — Vg1 vs Vg2 at Va=150V, Ia param 10..80 mA] ===== PAGE 17 (sheet D, 6.6.1960) ===== [courbes seules — class A: Ia/Vi/dtot/Ig2 vs Wo (Vb=200V Ra~=2,5k Rg2=470 Rk=215)] ===== PAGE 18 (sheet E, 1.1.1956) ===== [courbes seules — Vg1 vs Vg2 at Va=170V, Ig2 param 2..10 mA] ===== PAGE 19 (sheet E, 6.6.1960) ===== [courbes seules — 2xEL86(AB): Ia/Vi/dtot/Ig2 vs Wo (Vba=250V Vbg2=200V Raa~=5,5k Rk=150)] ===== PAGE 20 (sheet F, 1.1.1956) ===== [courbes seules — single/double tone Ia/Vi/dtot vs Wo (Vb=200V Ra=1kOhm)] ===== PAGE 21 (sheet F, 6.6.1960) ===== [courbes seules — 2xEL86 single-ended PP (Vb=300V Ra~=1kOhm), single/double tone] ===== PAGE 22 (sheet G, 6.6.1960) ===== [courbes seules — Ia+Ig2 vs Vb family, Vg1 param, Wo+Wg2=13W line] ===== PAGES 23-24 (FP, 2005.05.06) ===== [Philips Electronic Tube Handbook cover + index table (page/sheet/date). No tabular tube data.]