2SC1815-GR-T92-K 2SC1815GRTA 2SC1815GR-TA 2SC1815GR-TA(ROHS) 2SC1815GRTA. 2SC1815GRTZ 2SC1815G-Y 2SC1815G-Y T 2SC1815G-Y-T92-B 2SC1815G-Y-T92-K