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 = 250 V
Ia+g2 = 147 m A
-Ug1 = 15 V
S = 12 mA/V
Ri = 670 Ω
μ = 8
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