Siemens D3A goldpin pentode
The D3A from Siemens is an indirectly heated pentode and is designed for >10,000 hours of full effiency in broadband telecommunication equipment. A very nice gold pin pentode. NOVAL base.
Characteristics
Heater voltage : 6.3V ±0.3V
Heater current : 315mA
Transconductance : 35 mA/V
DC plate voltage : 190V
Max. cathode current : 22mA
MADE IN GERMANY
