1. The 5BK7A is a 9-pin, medium mu, double-ended power pentode vacuum tube, also known as a radio frequency power amplifier, developed in the 1940s.
2. It is a high-gain, medium power-output tube, with good breakdown characteristics, and has a medium to high transconductance.
3. It can be used as a driver or RF power amplifier in medium power applications, such as amplifiers for radio frequency, commercial frequency and broadcast frequencies.
4. It is a robust and reliable device that can be employed in a wide variety of circuits.
5. This tube has a maximum plate voltage of 600 volts and a plate dissipation of 8.0 watts.