FMMT549 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: -1 A
• Collector Dissipation: 0.5 W
• DC Current Gain (h_fe): 100 to 300
• Transition Frequency, min: 100 MHz
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: SOT-23
• Electrically Similar to the Popular ZTX549 transistor

Here is an image showing the pin diagram of this transistor.The FMMT549 transistor is marked as "549".The complementary NPN transistor to the FMMT549 is the FMMT449.The ZTX549 is the TO-92 version of the FMMT549.You can replace the FMMT549 with the FMMT591 or FMMT591Q.