This part is a kind of semiconductor called 2SC388.

Function of this product has NPN Plastic-Encapsulated Transistor.

Manufacturers : Secos

Image and pinout :

Some of the text within the PDF file :

IRGS4615DPbF IRGB4615DPbF Insulated Gate Bipolar Transistor with Ultrafast Soft Recovery Diode VCES = 600V IC = 15A, TC = 100°C tsc > 5µs, Tjmax = 175°C G E E G G C C C C E VCE(on) typ. = 1.55V @ 8A n-channel G D2-Pak IRGS4615DPbF TO-220AB IRGB4615DPbF C E Applications • Appliance Drives • Inverters • UPS Features Low VCE(ON) and switching losses Square RBSOA and maximum junction temperature 175°C Positive VCE(ON) temperature coefficient and tighter distribution of parameters 5μs short circuit SOA Lead-free, RoHS compliant Gate Collector Em itter → Benefits High efficiency in a wide range of applications and switching frequencies Improved reliability due to rugged hard switching performance and higher power capability Excellent current sharing in parallel opera [ ... ]

IRGS4615DPBF PDF Datasheet Download