This part is a kind of semiconductor called AC1035.

Function of this product has (AC1035 / AC1036 TO-8 CASCADABLE AMPLIFIERS.

Manufacturers : Teledyne Technologies

Image and pinout :

Some of the text within the PDF file :

2/99 AC1035 AC1036 Typical Values 10 TO 1000 MHz TO-8 CASCADABLE AMPLIFIERS AC1035 2.5 dB 25.0 dB 18.0 mA +5.0 dBm +8.0 dBm AC1036 2.7 dB 26.0 dB 34.0 mA +11.0 dBm +14.5 dBm Low Noise Figure . . . . . . . . . . . . . . . . . . . . . . . . High Gain - Two Stages . . . . . . . . . . . . . . . . . . . High Efficiency; +5.0 Volts . . . . . . . . . . . . . . . . . Output Power; +5 Volts . . . . . . . . . . . . . . . . . . . +8 Volts. . . . . . . . . . . . . . . . . . . . High Performance Thin Film Standard Size TO-8 Package AC1035/AC1036 TO-8 Package for Amplifiers 0.450 (11.43) DIA. 0.208 (5.28) MAX. 0.185 ± 0.015 (4.70 ± 0.38) 0.025 (0.64) SPECIFICATIONS* Parameter Frequency (Min.) Small Signal Gain (Min.) AC1035 AC1036 Gain Flatness (Max.) Noise Figure (Max.) AC1 [ ... ]

AC1035 PDF Datasheet Download