2SC3631-L 2SC3631-L-AZ 2SC3631-L-Z-AZ 2SC3631-Z 2SC3631-Z-AZ 2SC3631-Z-E1 2SC3631-Z-E1-AZ 2SC3631-Z-E1-K 2SC3631-Z-E2 2SC3631-Z-K