KTC8550S Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -30 V
• Collector-Base Voltage, max: -35 V
• Emitter-Base Voltage, max: -5 V
• Collector Current − Continuous, max: -0.8 A
• Collector Dissipation: 0.35 W
• DC Current Gain (h_fe): 100 to 300
• Transition Frequency, min: 120 MHz
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: SOT-23
• Electrically Similar to the Popular KTC8550 transistor

Here is an image showing the pin diagram of this transistor.The KTC8550S transistor can have a current gain of 100 to 300. The gain of the KTC8550S-C will be in the range from 100 to 200, for the KTC8550S-D it will be in the range from 150 to 300.The complementary NPN transistor to the KTC8550S is the KTC8050S.The KTC8550 is the TO-92 version of the KTC8550S.You can replace the KTC8550S with the 2SA1621, BCW67, BCW68, FMMT549, FMMT591, FMMT591Q, KTA1298, MMBT2907, MMBT2907A, MMBT4354 or MMBT4355.