This part is a kind of semiconductor called 2SD655.

Function of this product has Silicon NPN Epitaxial.

Manufacturers : Hitachi Semiconductor

Image and pinout :

Some of the text within the PDF file :

2SD655 Silicon NPN Epitaxial Application Low frequency power amplifier, Muting Outline TO-92 (1) 1. Emitter 2. Collector 3. Base 3 2 1 2SD655 Absolute Maximum Ratings (Ta = 25°C) 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 Ratings 30 15 5 0.7 1.0 500 150 –55 to +150 Unit V V V A A mW °C °C Electrical Characteristics (Ta = 25°C) Item Collector to base breakdown voltage Symbol V(BR)CBO Min 30 15 5 250 Typ 0.15 250 Max 1.0 1.0 0.5 1200 MHz Unit V V V µA V V Test conditions I C = 10 µA, IE = 0 I C = 1 mA, RBE = ∞ I E = 10 µA, IC = [ ... ]

2SD655 PDF Datasheet Download