KTC3230 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 240
• 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 KTC3230 transistor can have a current gain of 70 to 240. The gain of the KTC3230O will be in the range from 70 to 140, for the KTC3230Y it will be in the range from 120 to 240.The complementary PNP transistor to the KTC3230 is the KTA1276.You can replace the KTC3230 with the 2SC1061, 2SC1173, 2SC1826, 2SC1985, 2SC2562, 2SC3179, 2SC3239, 2SC3252, 2SC3253, 2SC3254, 2SC3255, 2SC3297, 2SC3299, 2SC3345, 2SC3709, 2SC3709A, 2SC3746, 2SC3747, 2SC3748, 2SC3851, 2SC4935, 2SC790, 2SD1061, 2SD1062, 2SD1133, 2SD1134, 2SD1212, 2SD1235, 2SD1266, 2SD1267, 2SD1354, 2SD1363, 2SD1406, 2SD1412, 2SD1444A, 2SD1666, 2SD1667, 2SD1668, 2SD1669, 2SD1761, 2SD1762, 2SD1913, 2SD234, 2SD235, 2SD2374, 2SD288, 2SD313, 2SD553, 2SD795, 2SD856, 2SD857, 2SD880, BD201, BD203, BD241, BD241A, BD243, BD243A, BD301, BD303, BD533, BD535, BD539, BD539A, BD543, BD543A, BD545, BD545A, BD735, BD737, BD795, BD797, BD807, BD933, BD933F, BD935, BD935F, BD949, BDT81, BDT81F, D44H8, KSC1173, KSD1406, KSD2058, KSD288, KSD880, KTC4369 or KTD1351.