The 854940-2991TR is a battery holder designed for electronic devices. It is a surface mount (SMD) tab termination style holder, making it easy to mount on PCBs. With a height above the board of 0.016 inches (0.41mm), it provides a low-profile solution for compact designs. The battery holder is suitable for coin cell batteries and is part of the Keystone Electronics product line. It comes in a tape and reel package of 1,500 pieces, making it convenient for automated assembly processes. The 854940-2991TR is UL approved and features a reliable solder termination for secure connections. It is widely used in applications such as portable electronics, medical devices, and IoT devices. With its high-quality construction and excellent performance, the 854940-2991TR is a reliable choice for battery-powered devices.