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File No. 649 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __
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Solid State Division
Power Transistors RCA1B04
JEOECTO·3
Silicon Transistor for 120-Watt Quasi-Complementary-Symmetry Audio Amplifiers with Parallel Output Transistors
H·1570
RCA 1804 is an n·p·n silicon pi-nu transistor in a JEDEC TO-3 package. This device is especially characterized for audio applications, and can be driven by RCA1Cl.2 and RCA1C13 transistors.
The 120-watt amplifier circuit in Figs. 1 and 5 uses the RCA1804 in conjunction with eleven other discrete transistors,
twelve diodes, and a 130-volt split· power supply. The amplifier output is directly coupled to an B-ohm speaker.
RCA1B04 Datasheet
