2SC1815-GR(SP 2SC1815-GR(SP,F,T) 2SC1815-GR(T) 2SC1815-GR(T2SPF 2SC1815-GR(T2SPF,T 2SC1815-GR(T2SPFT) 2SC1815GR(TE2 2SC1815-GR(TE2 2SC1815-GR(TE2，F) 2SC1815-GR(TE2,F,T)