Power Triode
The Sylvania 45 Vacuum Tube is a glass type
used in the output stages of radio receivers.
They should be mounted in a vertical position.
Horizontal operation is permissible if pins 1
and 4 are in a vertical plane.
The 45 Vacuum tube was first manufactured by RCA in 1930
Electrical Data:
Filament Voltage .............................. 2.5 V
Filament Current .............................. 1.5 A
Preferred Substitutes .................... 57T245,
145, 245, 245-C, 445, A245, C-245, CX345, ER45, EX645,
MX245, PH245, SX245, UX245, VT-45.