2SC4331(0)-Z-E1-AZ 2SC4331-AZ 2SC4331-AZ-K 2SC4331-AZ-M 2SC4331-L-AZ 2SC4331-Z 2SC4331-Z-AZ 2SC4331-Z-AZ-K 2SC4331-Z-E 2SC4331-Z-E1