U21 APEM We have availability for U21.We stock a range of components from APEM including U21.To request a quotation for U21 please click `Get Quote` below. Part No. Description Request U21 U21 RoHSconf Get Quote Similar parts U2150 Transparent silicone sealing boot for rocker switch APEM Get Quote U216 U216 E RoHSconf APEM Get Quote