Taiwan Semiconductor Co., Ltd. Single Bipolar Transistors BC549A B1G

The BC549A B1G is an NPN silicon transistor in a TO-92 package, rated for 30V collector-emitter voltage, 100mA continuous collector current, and 500mW power dissipation. It features a minimum DC current gain of 110-220 depending on the gain group, and meets RoHS and UL 94 V-0 standards. The device is designed for switching applications such as SMPS, adapters, and DC/DC converters, and is sold in bulk packaging. The TO-92 body dimensions are 4.30-4.70mm in width and 12.50-14.50mm in total length. It operates within a junction temperature range of -65°C to +150°C.