KTC2804-O 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-126

Here is an image showing the pin diagram of this transistor.The KTC2804-O transistor can have a current gain of 70 to 140. The gain of the KTC2804 will be in the range from 70 to 240, for the KTC2804-Y it will be in the range from 120 to 240.The complementary PNP transistor to the KTC2804-O is the KTA1705-O.You can replace the KTC2804-O with the 2N4921, 2N4921G, 2N4922, 2N4922G, 2SD1722, 2SD1722-Q, 2SD1723, 2SD1723-Q, 2SD793, 2SD794, 2SD794A, 2SD882, BD131, BD175, BD175-10, BD177, BD177-10, BD185, BD187, BD189, BD439, BD439G, BD785, BD787, BD787G, BDX35, BDX36, KSD794, KSD794A, KSD882, KSE180, KSE181, KSH882, MJE180, MJE180G, MJE181, MJE181G, MJE220, MJE221, MJE222, MJE223, MJE224, MJE225 or MJE520.