This part is a kind of semiconductor called D1410.

Function of this product has Silicon NPN Darlington Power Transistor.

Manufacturers : INCHANGE

Image and pinout :

Some of the text within the PDF file :

INCHANGE Semiconductor isc Product Specification isc Silicon NPN Darlington Power Transistor 2SD1410 DESCRIPTION ·Collector-Emitter Sustaining Voltage: VCEO(SUS)= 250V(Min) ·Collector-Emitter Saturation Voltage:V CE(sat)= 2.0V(Max) @IC= 4A ·High DC Current Gain : hFE= 2000(Min) @ IC= 2A, VCE= 2V APPLICATIONS ·Igniter applications ·High voltage switching applications ABSOLUTE MAXIMUM RATINGS(Ta=25℃) SYMBOL VCBO VCEO VEBO IC IB B PARAMETER Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Collector Current-Continuous Base Current-Continuous Collector Power Dissipation @ Ta=25℃ VALUE 300 250 5 6 1 2.0 UNIT V V V A A PC Collector Power Dissipation @ TC=25℃ TJ Tstg Junction Temperature Storage Temperature Range 30 150 -55~150 W ℃ ℃ isc Website：w [ ... ]

D1410 PDF Datasheet Download