This part is a kind of semiconductor called EB203D.

Function of this product has EB SERIES TRANSISTORS.

Manufacturers : SY Semiconductors

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Some of the text within the PDF file :

SY semiconductors Shenzhen SY Semiconductors Co.，LTD. EB SERIES TRANSISTORS EB203D ●FEATURES：①HIGH VOLTAGE CAPABILITY ②HIGH SPEED SWITCHING ③WIDE SOA ●APPLICATION：①FLUORESCENT LAMP ②ELECTRONIC BALLAST ●Absolute Maximum Ratings (Tc=25℃) PARAMETER Collector–Base Voltage Collector–Emitter Voltage Emitter –Base Voltage Collector Current Total Power Dissipation Junction Temperature Storage Temperature SYMBOL VCBO VCEO VEBO IC PC Tj Tstg VALUE 600 400 9 1.2 13 150 -65-150 UNIT V V V A W ℃ ℃ TO-92 NPN ● Electronic Characteristics (Tc=25℃) CHARACTERISTICS SYMBOL Collector–Base Cutoff Current ICBO Collector–Emitter Cutoff Current ICEO Collector–Emitter Voltage VCEO Emitter –Base Voltage VEBO Collector–Emitter Saturation Vcesat [ ... ]

EB203D PDF Datasheet Download