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5 microseconds Tube Type Hydrogen thyratron Cooling Method Air or water (based on system design) Envelope Type Ceramic/Glass Frequency Compatibility Up to 110 MHz Common Applications RF sealing
and typical operating conditions for KT88 amplifier design
Performance curves and characteristics
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GU74B/4CX800A Ceramic Power Tetrode Broadcast 5 microseconds Tube Type HydrogenGU74B 4CX800A tube specs The table below is a quick reference snapshot for the GU74B 4CX800A tube specs that buyers commonly check before ordering. Because this is a tetrode vacuum tube, most real world compatibility questions come down to socket base fit, airflow ducting, and whether your operating conditions line up with the datasheet ratings. 4CX800A GU 74B general specifications Specification Details Tube type Ceramic metal power tetrode (4CX800A