This part is a kind of semiconductor called BC337.

Function of this product has NPN Silicon Epitaxial Planar Transistor for switching and amplifier applications.

Manufacturers : Semtech Corporation

Image and pinout :

Some of the text within the PDF file :

BC337…BC338 NPN Silicon Epitaxial Planar Transistor for switching and amplifier applications These types are subdivided into three groups -16, -25 and -40, according to their DC current gain. Absolute Maximum Ratings (Ta = 25 OC) Parameter Collector Base Voltage Collector Emitter Voltage Emitter Base Voltage Collector Current Peak Collector Current Total Power Dissipation Junction Temperature Storage Temperature Range Symbol VCBO VCEO VEBO IC ICM Ptot Tj TS 1. Collector 2. Base 3. Emitter TO-92 Plastic Package BC337 BC338 50 30 45 25 5 800 1 625 150 - 55 to + 150 Unit V V V mA A mW OC OC Characteristics at Ta = 25 OC Parameter Symbol Min. Typ. Max. Unit DC Current Gain at VCE = 1 V, IC = 100 mA Current Gain Group -16 hFE 100 - 250 - -25 hFE 160 - 400 - -40 hFE 250 [ ... ]

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