Ken, you mean these one? https://www.fusesunlimited.com/data_sheets.aspx#PICO 73 - Petr, OK1RP ----- http://ok1rp.blogspot.com -- View this message in context: http://elecraft.365791.n2.nabble.com/Front-end-protection-tp7627219p7627222.html Sent from the Elecraft mailing list archive at Nabble.com.