This part is a kind of semiconductor called 2SC1775A.

Function of this product has Silicon NPN Epitaxial.

Manufacturers : Hitachi Semiconductor

Image and pinout :

Some of the text within the PDF file :

2SC1775, 2SC1775A Silicon NPN Epitaxial Application • Low frequency low noise amplifier • Complementary pair with 2SA872/A Outline TO-92 (1) 1. Emitter 2. Collector 3. Base 3 2 1 2SC1775, 2SC1775A Absolute Maximum Ratings (Ta = 25°C) Item Collector to base voltage Collector to emitter voltage Emitter to base voltage Collector current Collector power dissipation Junction temperature Storage temperature Symbol VCBO VCEO VEBO IC PC Tj Tstg 2SC1775 90 90 5 50 300 150 –55 to +150 2SC1775A 120 120 5 50 300 150 –50 to +150 Unit V V V mA mW °C °C Electrical Characteristics (Ta = 25°C) 2SC1775 Item Collector to emitter breakdown voltage Collector cutoff current Symbol Min V(BR)CEO I CBO 1 2SC1775A Max 0.5 Min 120 Typ 200 1.6 Max [ ... ]

2SC1775A PDF Datasheet Download