2SC1815L 2SC1815-L 2SC1815L TO-92 2SC1815L TO-92 T/B 2SC1815L-BL 2SC1815L-BL-A 2SC1815L-BL-B 2SC1815L-BL-T92-B 2SC1815L-BL-T92-K 2SC1815L-GR