LTC4054LES5-4.2#TRPBF IC-4054 CHARG BATTERY L-ION TSOT23-5 The LTC4054LES5-4.2#TRPBF is a high-quality product offering IC-4054 CHARG BATTERY L-ION TSOT23-5. With a shrink ratio of N/A and -40°C~+85°C operating temperature, it provides reliability in various applications.