This part is a kind of semiconductor called D667C.

Function of this product has 2SD667C.

Manufacturers : ETC

Image and pinout :

Some of the text within the PDF file :

JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD TO-92MOD Plastic-Encapsulate Transistors 2SD667,2SD667A TO-92MOD 1. EMITTER 2. COLLECTOR 3. BASE TRANSISTOR (NPN) FEATURES z Low frequency power amplifier z Complementary pair with 2SB647/A MAXIMUM RATINGS (TA=25℃ unless otherwise noted) Symbol VCBO VCEO Parameter Collector- Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Collector Current -Continuous Collector Power Dissipation Junction Temperature Storage Temperature 2SD667 2SD667A VEBO IC PC TJ Tstg Value 120 80 100 5 1 900 150 -55-150 Units V V V A mW ℃ ℃ 123 ELECTRICAL CHARACTERISTICS (Tamb=25℃ unless otherwise specified) Parameter Collector-base breakdown voltage Collector-emitter breakdown voltage Emitter-base breakdown voltage Collector [ ... ]

D667C PDF Datasheet Download