TOSHIBA Transistor Silicon NPN Epitaxial Type (PCT process) 2SC3329 For Low Noise Audio Amplifier Applications and Recommended for The First Stages of MC Head Amplifiers 2SC3329 Unit: mm Very low noise in the region of low signal source impedance equivalent input noise voltage: En = 0.6 nV/Hz1/2 (typ.) Low pulse noise. Low 1/f noise Low base spreading resistance: rbb’ = 2.0 Ω (typ.) Complementary to 2SA1316 Maximum Ratings (Ta = 25°C) Characteristics Collector-base vo.