Taiwan Semiconductor Co., Ltd. Single Bipolar Transistors BC550A B1G

The BC550A B1G is an NPN small signal transistor packaged in a TO-92 case, designed for low-power switching and amplification in applications such as SMPS, adapters, and DC/DC converters. It has a collector-emitter voltage rating of 45 V, a collector current rating of 100 mA, and a power dissipation of 500 mW. The emitter-base voltage is 6 V, and the DC current gain (hFE) ranges from 420 to 800. The package complies with UL 94 V-0 flammability rating and is RoHS compliant. The device features matte tin plated leads, is solderable per J-STD-002, and meets JESD 201 class 1A whisker test requirements. Operating and storage junction temperatures range from -65°C to +150°C.