This part is a kind of semiconductor called C5720.

Function of this product has 2SC5720.

Manufacturers : Toshiba Semiconductor

Image and pinout :

Some of the text within the PDF file :

2SC5720 TOSHIBA Transistor Silicon NPN Epitaxial Planar Type 2SC5720 MEDIUM POWER AMPLIFIER APPLICATIONS STOROBO FLASH APPLICATIONS · Low Saturation Voltage: VCE (sat) (1) = 0.25 V (max) (IC = 3 A/IB = 60 mA) Unit: mm Maximum Ratings (Ta = 25°C) Characteristic Collector-Base voltage Collector-Emitter voltage Emitter-Base voltage Collector current Collector power dissipation Junction temperature Storage temperature range DC Pulsed Symbol VCBO VCEO VEBO IC ICP PC (Note1) Tj Tstg Rating 15 10 7 5 9 550 150 -55 to 150 Unit V V V A mW °C °C JEDEC JEITA TOSHIBA ― ― 2-4E1A Note1: When a device is mounted on a glass epoxy board (35 mm ´ 30 mm ´ 1mm) Electrical Characteristics (Ta = 25°C) Characteristic Collector cut-off current Emitter cut-off current Collector-Emitter breakdown v [ ... ]

C5720 PDF Datasheet Download