KT88 Datasheet (JJ) - beam tetrode

KT88, beam tetrode

KT88 max 52,0 max 110,0 max 125,0 Base: OCTAL Uf = 6,3 V If = 1,6 A Typical Characteristics: Ua = 250 U = 250 g2 I = 140 a I = max.

7 g2 Ug1 = -15 S = 11,5 V V mA mA V mA/V Ri = µ= -g1-g2 12 kΩ 8 Triode Connected U = a, g2 250 I= a+g2 147 Ug1 = -15 S = 12 Ri = 670 µ= 8 V mA V mA/V Ω Limiting Values: Ua = 800 V U = 600 V g2 U = 600 V a, g2 U = -200 V g1 Wa = 42 W Wg2 = 8W W = a+g2 46 W I = 230 mA k U = 250 V k/f Rg1-k (cathode bias) W ≤35 W 470 kΩ a+g2 W