3 Mar
2000
3 Mar
'00
7:51 a.m.
Thanks,
Actually the plate disapation and Ip numbers would help but no fax. I'm
surprized they were used in commercial TV, I'd never seen them in anything
other than military stuff. These do show in your book as T3 size wire
leads?
Allison
On Fri, 3 Mar 2000, wanderer wrote:
5899 (Generic class A amplifier tube)
Semi Remote Cutoff RF Pentode.
6.3V/0.15 filament voltage/amp, 165V maximum plate voltage,
155 maximum screen voltage, 4,2 microfarad capacitance on input,
3.4 microfarads on output, 0.015 microfarads on gridplate (max).
5639 (Used in old TV's)
Video Pentode
6.3V/0.45 filament voltage/amp, 150 max. plate voltage
2.2 microfarads on input, 3.0 on output, 1.7 on gridplate (max).