39,707
edits
12B4: Difference between revisions
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|Part_nos= | |Part_nos= | ||
|Description=power triode | |Description=power triode | ||
|Used_in=126;502;502A;551;555;513;581;585; | |Used_in=126;502;502A;551;555;513;581;581A;585;585A; | ||
|Designers= | |Designers= | ||
}} with a {{B9A base}}. It has 5.5 W maximum plate dissipation, 1000 V peak plate voltage, and and 105 mA peak cathode current. | }} with a {{B9A base}}. It has 5.5 W maximum plate dissipation, 1000 V peak plate voltage, and and 105 mA peak cathode current. | ||