KTC8550S-D 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): 150 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 KTC8550D transistor

Here is an image showing the pin diagram of this transistor.The KTC8550S-D transistor can have a current gain of 150 to 300. The gain of the KTC8550S will be in the range from 100 to 300, for the KTC8550S-C it will be in the range from 100 to 200.The KTC8550S-D transistor is marked as "BLD".The complementary NPN transistor to the KTC8550S-D is the KTC8050S-D.The KTC8550D is the TO-92 version of the KTC8550S-D.You can replace the KTC8550S-D with the 2SA1621, BCW67, BCW68, FMMT549, FMMT549A, FMMT591, FMMT591Q, KTA1298, MMBT2907, MMBT2907A, MMBT4354 or MMBT4355.