2SC1815 120-200 2SC1815 APM PBFREE 2SC1815 APM TIN/LEAD 2SC1815 GR 2SC1815 -GR 2SC1815 GR档(200400) 2SC1815 HF 2SC1815 HF 200-400 2SC1815 HF SOT-23 2SC1815 HF-23