300 B

R.F. TRIODE

DIMENSIONS AND CONNECTIONS:
Moderate power, filamentary triodes for Class A service.
base: 4-PIN CERAMIC BASE
Uf = 5 V
If = ca 1,3 A

TYPICAL CHARACTERISTIC:

Ua = 300 V
Ug1 = -61 V
Ia = 60 mA
Ri = 700 Ohm
= 3,85

LIMITING VALUES:

Ua = 450 V
Wa = 40 W

Maximum plate current of everage tube for fixed bias

Ia = 70 mA

Maximum plate current for manually adjusted grid bias or self-biasing

Ia = 100 mA

CAPACITANCES:

Cg1 = 17 pF
Ca = 11 pF
Cg1-a = 7,5 pF