1 x AF131 : PNP germanium transistor intended as AM mixer / FM IF amplifier
1 x AF133 : PNP germanium alloy FM transistor.
1 x AF135 : PNP germanium diffusion alloy transistor for high-frequency applications.
1 x AF136 : PNP germanium diffusion alloy transistor for high-frequency applications
1 x AF137 : PNP germanium diffusion alloy transistor for FM IF or AM mixer/oscillator applications
1 x AF138 : PNP germanium diffusion alloy transistor for high-frequency applications.