KT88

KT 88 - (6550) 22 KT 88 A. F. BEAM PENTODE Base: OCTAL Uf = 6,3 V If = ca 1,6 A Typical characteristic: Ua = 250 V Ug2 = 250 V Ia = 140 mA Ig2 = max. 7 mA -Ug1 = 15 V S = 11,5 mA/V Ri = 12 kΩ µ-g1-g2 = 8 Triode Conncected Ua, g2 Ia+g2 -Ug1 S = 250 V = 147 mA = 15 V = 12 mA/V Ri = 670 Ω µ =8 Dimension and connections: Limiting values: Ua = 800 V Ug2 = 600 V Ua, g2 = 600 V -Ug1 = 200 V Wa = 42 W Wg2 = 8 W Wa-g2 = 46 W Ik = 230 mA Uk/f = 250 V Rg1-k (catode bias) Wa+g2≤35 W 470 kΩ Wa+g2>35 W 270 kΩ Rg1-k (fixed bias) Wa-g2≤35 W 220 kΩ Wa+g2>35 W 100 kΩ Capacitances: cg1 = 16,5 pF ca = 10 pF cg1-a = 2,3 pF Red/Blue versions available www.jj-electronic.sk 23 ...