This part is a kind of semiconductor called 2SC5587.
Function of this product has NPN TRIPLE DIFFUSED MESA TYPE (HORIZONTAL DEFLECTION OUTPUT FOR SUPER HIGH RESOLUTION DISPLAY/ COLOR TV. HIGH SPEED SWITCHING APPLICATIONS).
Manufacturers : Toshiba Semiconductor
Image and pinout :

Some of the text within the PDF file :
2SC5587 TOSHIBA TRANSISTOR SILICON NPN TRIPLE DIFFUSED MESA TYPE 2SC5587 HORIZONTAL DEFLECTION OUTPUT FOR HIGH RESOLUTION DISPLAY, COLOR TV HIGH SPEED SWITCHING APPLICATIONS l High Voltage l Low Saturation Voltage l High Speed : VCBO = 1500 V : VCE (sat) = 3 V (Max.) : tf (2) = 0.1 µs (Typ.) Unit: mm MAXIMUM RATINGS (Tc = 25°C) CHARACTERISTIC Collector−Base Voltage Collector−Emitter Voltage Emitter−Base Voltage Collector Current Base Current Collector Power Dissipation Junction Temperature Storage Temperature Range DC Pulse SYMBOL VCBO VCEO VEBO IC ICP IB PC Tj Tstg RATING 1500 750 5 17 34 8.5 75 150 −55~150 UNIT V V V A A W °C °C JEDEC JEITA TOSHIBA ― ― 2-16E3A Weight: 5.5 g (typ.) ELECTRICAL CHARACTERISTICS (Tc = 25°C) CHARACTERISTIC Collector Cut−off Current Emi [ ... ]
2SC5587 PDF Datasheet Download
