Keystone Electronics is introducing a new line of Vertical Entry, Lithium Coin Cell Holders, for use with portable medical and other electronic devices. Designed to retain cells securely under shock and vibration, these holders feature flame retardant housings UL rated 94V-0 and dual-spring contacts with low contact resistance. These contacts are made of spring steel with tin plating. The new rugged holders are polarized for circuit protection and will accept all major manufacturers’ batteries. They are available in sizes for 16mm (p/n 1069), 20mm (p/ns 1065 & 1067) and 24mm (p/n 1068) diameter coin cell batteries at distributor Rutronik.