This part is a kind of semiconductor called 2SC790.

Function of this product has Silicon NPN Power Transistor.

Manufacturers : Inchange Semiconductor

Image and pinout :

Some of the text within the PDF file :

INCHANGE Semiconductor isc Product Specification isc Silicon NPN Power Transistor 2SC790 DESCRIPTION ·Low Collector Saturation Voltage: VCE(sat)= 1.4(V)(Max)@ IC= 2A ·DC Current Gain: hFE= 40-240 @ IC= 0.5A ·Complement to Type 2SA490 APPLICATIONS ·Designed for power amplifier applications. ABSOLUTE MAXIMUM RATINGS(Ta=25℃) SYMBOL PARAMETER VALUE UNIT VCBO Collector-Base Voltage 50 V VCEO Collector-Emitter Voltage 40 V VEBO Emitter-Base Voltage 5 V IC Collector Current-Continuous 3 A IE Emitter Current-Continuous Total Power Dissipation @ TC=25℃ Junction Temperature -3 A PC 25 W TJ 150 ℃ Tstg Storage Temperature Range -55~150 ℃ isc Website：www.iscsemi.cn INCHANGE Semiconductor isc Product Specifi [ ... ]

2SC790 PDF Datasheet Download