KST4403 Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -40 V
• Collector-Base Voltage, max: -40 V
• Emitter-Base Voltage, max: -5 V
• Collector Current − Continuous, max: -0.6 A
• Collector Dissipation: 0.35 W
• DC Current Gain (h_fe): 100 to 300
• Transition Frequency, min: 200 MHz
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: SOT-23
• Electrically Similar to the Popular 2N4403 transistor

Here is an image showing the pin diagram of this transistor.The KST4403 transistor is marked as "2T".The complementary NPN transistor to the KST4403 is the KST4401.The 2N4403 is the TO-92 version of the KST4403.You can replace the KST4403 with the BCW68, FMMT2907, FMMT2907A, FMMT2907AR, FMMT2907R, FMMT591, FMMT591Q, KN2907AS, KN2907S, KST2907A, KTN2907AS, KTN2907S, MMBT2907, MMBT2907A, MMBT4354, MMBT4355, MMBT4403, PMBT2907, PMBT2907A, PMBT4403, PMST2907 or PMST2907A.