This part is a kind of semiconductor called D667A.

Function of this product has Silicon NPN Epitaxial.

Manufacturers : Renesas

Image and pinout :

Some of the text within the PDF file :

2SD667, 2SD667A Silicon NPN Epitaxial Application • Low frequency power amplifier • Complementary pair with 2SB647/A Outline RENESAS Package code: PRSS0003DC-A (Package name: TO-92 Mod) REJ03G0769-0200 (Previous ADE-208-1137) Rev.2.00 Aug.10.2005 1. Emitter 2. Collector 3. Base 3 2 1 Absolute Maximum Ratings Item Collector to base voltage Collector to emitter voltage Emitter to base voltage Collector current Collector peak current Collector power dissipation Junction temperature Storage temperature Symbol VCBO VCEO VEBO IC iC(peak) PC Tj Tstg 2SD667 120 80 5 1 2 0.9 150 –55 to +150 2SD667A 120 100 5 1 2 0.9 150 –50 to +150 (Ta = 25°C) Unit V V V A A W °C °C Rev.2.00 Aug 10, 2005 page 1 of 5 2SD667, 2SD667A Electrical Characteristics Item Collector to base breakdown vo [ ... ]

D667A PDF Datasheet Download