BC550C NPN Low Noise Silicon Transistors On Semi (Fairchild).
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10 x BC547 b NPN Low Noise Switching Amplifier Transistor TO-92
BC109 NPN silicon planar transistor, low power, low noise, pack of 5, free P&P
BC109C NPN silicon planar transistor, low power, low noise, pack of 5, free P&P
10 x 2SC2240 GR Plastic TO92 Low Noise Audio Amplifier NPN Transistor C2240
2N2222 NPN TO92 General Purpose Low Noise Transistors Packs of 10 20 and 50