bd 303Quick jump to: 1N 2N 2SA 2SC 74 AD BA BC BD BF BU CXA HCF IRF KA KIA LA LM MC NE ST STK TDA TL UA: Up1 LM317 LM339 MAX232 NE555 LM324 7805 2N3055 LM358 2N2222Description: isc Silicon NPN Power Transistor. 3 Results. Part #: BD303N. Datasheet: 1MbKb3P. Manufacturer: Thinki Semiconductor Co., Ltd..