KTC3230Y 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): 120 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 KTC3230Y transistor can have a current gain of 120 to 240. The gain of the KTC3230 will be in the range from 70 to 240, for the KTC3230O it will be in the range from 70 to 140.The complementary PNP transistor to the KTC3230Y is the KTA1276Y.The KTC4375 (SOT-89) is the SMD version of the KTC3230Y transistor. These transistors are of the same type, have similar parameters and are designed for surface mounting.You can replace the KTC3230Y with the 2SC1061, 2SC1173, 2SC1173Y, 2SC1826, 2SC1985, 2SC2562, 2SC2562Y, 2SC3179, 2SC3239, 2SC3239-Y, 2SC3252, 2SC3253, 2SC3254, 2SC3255, 2SC3297, 2SC3297-Y, 2SC3299, 2SC3299-Y, 2SC3345, 2SC3345-Y, 2SC3709, 2SC3709-Y, 2SC3709A, 2SC3709A-Y, 2SC3746, 2SC3747, 2SC3748, 2SC3851, 2SC4550, 2SC4551, 2SC4552, 2SC4881, 2SC4935, 2SC4935Y, 2SC790, 2SC790-Y, 2SD1060, 2SD1061, 2SD1062, 2SD1133, 2SD1134, 2SD1212, 2SD1235, 2SD1266, 2SD1266-P, 2SD1267, 2SD1267-P, 2SD1354, 2SD1363, 2SD1363-Y, 2SD1406, 2SD1412, 2SD1412-Y, 2SD1444A, 2SD1445A, 2SD1666, 2SD1667, 2SD1668, 2SD1669, 2SD1761, 2SD1762, 2SD1913, 2SD2012, 2SD2061, 2SD234, 2SD234Y, 2SD235, 2SD235-Y, 2SD2374, 2SD2374-P, 2SD2394, 2SD2395, 2SD288, 2SD288-Y, 2SD313, 2SD553, 2SD553-Y, 2SD795, 2SD856, 2SD856-P, 2SD857, 2SD857-P, 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, BD945, BD947, BD949, BDT81, BDT81F, D44H8, KSC1173, KSC1173Y, KSD1406, KSD2012, KSD2058, KSD288, KSD288-Y, KSD880, KTC2016, KTC2026, KTC4369, KTC4369Y or KTD1351.