This part is a kind of semiconductor called W13009.

Function of this product has STW13009.

Manufacturers : STMicroelectronics

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STW13009 High voltage fast-switching NPN power transistor Features ■ ■ ■ ■ Low spread of dynamic parameters High voltage capability Minimum lot-to-lot spread for reliable operation Very high switching speed 3 2 1 Application ■ Switch mode power supplies TO-247 Description The device is manufactured using high voltage multi-epitaxial planar technology for high switching speeds and medium voltage capability. It uses a Hollow emitter structure to enhance switching speeds. Figure 1. Internal schematic diagram Table 1. Device summary Marking (1) W13009 L Package TO-247 W13009 H Packaging Tube Order code STW13009 1. Product is pre-selected in DC current gain (group L and group H). STMicroelectronics reserves the right to ship either groups according to production availability. [ ... ]

W13009 PDF Datasheet Download