2SC1173O Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 30 V
• Collector-Base Voltage, max: 30 V
• Emitter-Base Voltage, max: 5 V
• Collector Current − Continuous, max: 3 A
• Collector Dissipation: 10 W
• DC Current Gain (h_fe): 70 to 140
• Transition Frequency, min: 100 MHz
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: TO-220

Here is an image showing the pin diagram of this transistor.The 2SC1173O transistor can have a current gain of 70 to 140. The gain of the 2SC1173 will be in the range from 70 to 240, for the 2SC1173Y it will be in the range from 120 to 240.Sometimes the "2S" prefix is not marked on the package - the 2SC1173O might only be marked "C1173O".The complementary PNP transistor to the 2SC1173O is the 2SA473O.You can replace the 2SC1173O with the 2N6288, 2N6288G, 2N6289, 2N6290, 2N6290G, 2N6291, 2N6486, 2N6486G, 2N6487, 2N6487G, 2SC1061, 2SC1826, 2SC1985, 2SC2233, 2SC2562, 2SC2562O, 2SC3179, 2SC3239, 2SC3239-O, 2SC3252, 2SC3252-Q, 2SC3253, 2SC3253-Q, 2SC3254, 2SC3254-Q, 2SC3255, 2SC3255-Q, 2SC3297, 2SC3297-O, 2SC3299, 2SC3299-O, 2SC3345, 2SC3345-O, 2SC3709, 2SC3709-O, 2SC3709A, 2SC3709A-O, 2SC3746, 2SC3746-Q, 2SC3747, 2SC3747-Q, 2SC3748, 2SC3748-Q, 2SC3851, 2SC4935, 2SC4935O, 2SC790, 2SC790-O, 2SD1060-Q, 2SD1061, 2SD1061-Q, 2SD1062, 2SD1062-Q, 2SD1133, 2SD1134, 2SD1212, 2SD1212-Q, 2SD1235, 2SD1235-Q, 2SD1265, 2SD1266, 2SD1266-Q, 2SD1267, 2SD1267-Q, 2SD1354, 2SD1363, 2SD1363-O, 2SD1406, 2SD1412, 2SD1412-O, 2SD1444A, 2SD1568, 2SD1588, 2SD1666, 2SD1666-Q, 2SD1667, 2SD1667-Q, 2SD1668, 2SD1668-Q, 2SD1669, 2SD1669-Q, 2SD1761, 2SD1762, 2SD1913, 2SD2058, 2SD234, 2SD234O, 2SD235, 2SD235-O, 2SD2374, 2SD2374-Q, 2SD288, 2SD288-O, 2SD313, 2SD389, 2SD476, 2SD476A, 2SD553, 2SD553-O, 2SD568, 2SD795, 2SD856, 2SD856-Q, 2SD857, 2SD857-Q, 2SD880, BD201, BD203, BD241, BD241A, BD243, BD243A, BD301, BD303, BD533, BD535, BD539, BD539A, BD543, BD543A, BD545, BD545A, BD705, BD707, BD735, BD737, BD743, BD743A, BD795, BD797, BD807, BD905, BD907, BD933, BD933F, BD935, BD935F, BD949, BDT81, BDT81F, BDT91, BDT91F, D44H8, KSC1173, KSC1173O, KSD1406, KSD1588, KSD2058, KSD288, KSD288-O, KSD568, KSD880, KTC1003, KTC3230, KTC3230O, KTC4369, KTC4369O, KTD1351 or KTD2058.