ECC99

R.F. DOUBLE TRIODE

DIMENSIONS AND CONNECTIONS:
base: NOVAL

Uf = 6,3 V 12,6 V
If = 800 mA 400 mA

TYPICAL CHARACTERISTIC:

Ua = 150 V
Ug = -4 V
Ia = 18 mA
S = 9,5 mA/V
R1 = 2,3 kOhm
= 22

RECOMMANDED USE:

Driver of power triodes such as 300B, 2A3 ..., output stage headphone amplifiers, CDs, power stage little P-P triode amplifiers in class A (10W-4xECC99) and parallel voltage power supplies. Can be used instead of 5687, E182CC, 6840, 6BL7.

LIMITING VALUES:

Ua = 400 V
Ik = 60 mA
Uf/k =200 mA
Wa = 5 W

CAPACITANCES:

system I
system II
Cg/k = 5,8 5,8 pF
Ca = 0,91 0,81 pF
Cg/a = 5,1 5,1 pF