ECC81 / 12AT7

DIMENSIONS AND CONNECTIONS:

base: NOVAL
Uf = 6,3 V / 12,6 V
If = 300 mA / 150 mA


TYPICAL CHARACTERISTIC:
Ua  = 250 V
Ia = 10 mA
Ug = -2 V
S = 5,5 mA/V
Ri = 11 kOhm
µ = 60
LIMITING VALUES:
Ua = 300 V
Wa  = 2,5 W
Ug = -50 V
Ukf = 90 V
Ik = 15 mA
Rg = 1 MOhm