B647 Transistor TO92L B 647 Transistor PNP JDSEMI B647

Product Overview:

A medium-power, high-speed epitaxial silicon PNP transistor housed in a plastic through-hole package, designed for applications requiring rapid switching and reliable operation, such as electronic ballasts for fluorescent lighting, battery chargers, and switch-mode power supplies.

Core Specifications:

• Manufacturer: JDSEMI (Shenzhen Jingdao Electronic Co., Ltd.)

• Package Type: TO-92 / TO-92L (Plastic Through-Hole, 3-pin)

• Function: High-Speed PNP Power Transistor

• Input Channels: 1 Base Control Input (Three-terminal device: Base, Collector, Emitter)

• Control Interface: Current-controlled Base Terminal (DC Current Gain $h_{FE}$ up to 400)