This part is a kind of semiconductor called GL358.

Function of this product has NPN SILICON PLANAR HIGH CURRENT TRANSISTOR.

Manufacturers : GTM

Image and pinout :

Some of the text within the PDF file :

CORPORATION GL358 Description Features ISSUED DATE :2005/12/28 REVISED DATE : NPN SILICON PLANAR HIGH CURRENT TRANSISTOR The GL358 is designed for general purpose switching and amplifier applications. 6 Amps continuous current, up to 10Amps peak current Excellent gain characteristic specified up to 10Amps Very low saturation voltages Package Dimensions SOT-223 REF. A C D E I H Millimeter Min. Max. 6.70 7.30 2.90 3.10 0.02 0.10 0° 10° 0.60 0.80 0.25 0.35 REF. B J 1 2 3 4 5 Millimeter Min. Max. 13° TYP. 2.30 REF. 6.30 6.70 6.30 6.70 3.30 3.70 3.30 3.70 1.40 1.80 Absolute Maximum Ratings at Ta = 25 Parameter Junction Temperature Storage Temperature Collector to Base Voltage Collector to Emitter Voltage Emitter to Base Voltage Collector Current (DC) Collector [ ... ]

GL358 PDF Datasheet Download