PMST3904 Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 40 V
• Collector-Base Voltage, max: 60 V
• Emitter-Base Voltage, max: 6 V
• Collector Current − Continuous, max: 0.2 A
• Collector Dissipation: 0.2 W
• DC Current Gain (h_fe): 100 to 300
• Transition Frequency, min: 300 MHz
• Noise Figure, max: 5 dB
• Operating and Storage Junction Temperature Range: -65 to +150 °C
• Package: SOT-323
• Electrically Similar to the Popular 2N3904 transistor

Here is an image showing the pin diagram of this transistor.The PMST3904 transistor is marked as "1A".The complementary PNP transistor to the PMST3904 is the PMST3906.The 2N3904 is the TO-92 version of the PMST3904.You can replace the PMST3904 with the BC817W, FJX2222A, FJX3904, KTN2222AU, MMBT3904WT1, MMBT3904WT1G, MMST2222A, MMST3904, MMST4401 or PMST4401.