This part is a kind of semiconductor called KSP13.

Function of this product has Darlington Transistor.

Manufacturers : Fairchild Semiconductor

Image and pinout :

Some of the text within the PDF file :

KSP13/14 KSP13/14 Darlington Transistor • Collector-Emitter Voltage: VCES=30V • Collector Power Dissipation: PC (max)=625mW 1 TO-92 1. Emitter 2. Base 3. Collector NPN Epitaxial Silicon Darlington Transistor Absolute Maximum Ratings Ta=25°C unless otherwise noted Symbol VCBO VCES VEBO IC PC TJ TSTG Parameter Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Collector Current Collector Power Dissipation Junction Temperature Storage Temperature Value 30 30 10 500 625 150 -55 ~ 150 Units V V V mA mW °C °C Electrical Characteristics Ta=25°C unless otherwise noted Symbol BVCES ICBO IEBO hFE Parameter Collector-Emitter Breakdown Voltage Collector Cut-off Current Emitter Cut-off Current * DC Current Gain : KSP13 : KSP14 : KSP13 : KSP14 VCE (sat) VBE (on) fT Colle [ ... ]

KSP13 PDF Datasheet Download