The 545254-3010 is a battery holder retainer from Keystone Electronics. It is designed for surface mount (SMD) tab termination style. With a height above the board of 0.240" (6.10mm), it provides secure retention for coin cell batteries with a size of 23.0mm. This battery holder retainer is suitable for PCB mounting and comes in a bulk package of 100 pieces. It is an active product from Keystone Electronics, a reputable manufacturer known for their high-quality battery products. The 545254-3010 is widely used in various electronic devices, such as calculators, watches, and medical equipment.