KTA1705-Y Bipolar Transistor

• Type: PNP
• 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 KTA1705-Y transistor can have a current gain of 120 to 240. The gain of the KTA1705 will be in the range from 70 to 240, for the KTA1705-O it will be in the range from 70 to 140.The complementary NPN transistor to the KTA1705-Y is the KTC2804-Y.The 2SA1203 (SOT-89) and KTA1663 (SOT-89) is the SMD version of the KTA1705-Y transistor. These transistors are of the same type, have similar parameters and are designed for surface mounting.You can replace the KTA1705-Y with the 2SA1217, 2SA1217-Y, 2SA1359, 2SA1359-Y, 2SB1143, 2SB1165, 2SB1166, 2SB743, 2SB744, 2SB744A, 2SB772, 2SB986, BD132, BD176, BD176-16, BD178, BD186, BD188, BD190, BD786, BD788, BD788G, KSB744, KSB744A, KSB772, KSE170, KSE171, KSH772, KTB772, MJE170, MJE170G, MJE171, MJE171G, MJE232, MJE235 or MJE370.