USART: SMD. Lead finish optional. QML class V. Total dose 3E5 rad(Si). USART: SMD. Lead finish gold. QML class V. Total dose 3E5 rad(Si). USART: SMD. Lead finish solder. QML class V. Total dose 3E5 rad(Si). USART: SMD. Lead finish solder. QML class Q. Total dose 3E5 rad(Si). USART: SMD. Lead finish gold. QML class Q. Total dose 3E5 rad(Si). USART: SMD. Lead finish optional. QML class Q. Total dose 3E5 rad(Si).