KTC2804-Y 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-126

Here is an image showing the pin diagram of this transistor.The KTC2804-Y transistor can have a current gain of 120 to 240. The gain of the KTC2804 will be in the range from 70 to 240, for the KTC2804-O it will be in the range from 70 to 140.The complementary PNP transistor to the KTC2804-Y is the KTA1705-Y.The KTC4375 (SOT-89) is the SMD version of the KTC2804-Y transistor. These transistors are of the same type, have similar parameters and are designed for surface mounting.You can replace the KTC2804-Y with the 2SC2877, 2SC3422, 2SC3422-Y, 2SD1348, 2SD1683, 2SD1722, 2SD1723, 2SD793, 2SD794, 2SD794A, 2SD882, BD131, BD175, BD175-16, BD177, BD185, BD187, BD189, BD785, BD787, BD787G, BDX35, BDX36, KSD794, KSD794A, KSD882, KSE180, KSE181, KSH882, KTD882, MJE180, MJE180G, MJE181, MJE181G, MJE222, MJE225 or MJE520.