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Tube Substitutions for:
28HD5
Beam Pentode
Type
Substitutes
Base Diagram
28HD5
30HD5
Web References
28HD5 (Raytheon) @ Franks Electron Tubes
28HD5 @ RadioMuseum.org
Type
28HD5
Beam Pentode
MECHANICAL DATA
Basing
12ES
ELECTRICAL DATA
HEATER CHARACTERISTICS
Heater Voltage
28
Volts
Heater Current
0.45
A
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