This part is a kind of semiconductor called 2N2907.

Function of this product has 1.8W PNP GENERAL PURPOSE SAMLL SIGNAL TRANSISTORS.

Manufacturers : STMicroelectronics

Image and pinout :

Some of the text within the PDF file :

2N2905 2N2907 GENERAL PURPOSE AMPLIFIERS AND SWITCHES DESCRIPTION The 2N2905 and 2N2907 are silicon planar epitaxial PNP transistors in Jedec TO-39 (for 2N2905) and in Jedec TO-18 (for 2N2907) metal case. They are designed for high speed saturated switching and general purpose application. 2N2905 approved to CECC 50002-102, 2N2907 approved to CECC 50002-103 available on request. TO-18 TO-39 INTERNAL SCHEMATIC DIAGRAM ABSOLUTE MAXIMUM RATINGS Symbol V CBO V CEO V EBO IC P t ot Parameter Collector-Base Voltage (IE = 0) Collector-Emitter Voltage (I B = 0) Emitter-Base Voltage (I C = 0) Collector Current Total Dissipation at T amb ≤ 25 C for 2N2905 for 2N2907 at T case ≤ 25 o C for 2N2905 for 2N2907 St orage Temperature Max. Operating Junction Temperature o Value -60 -40 -5 -0.6 0.6 0.4 [ ... ]

2N2907 PDF Datasheet Download