MMBT3904LT3 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: 0.3 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: -55 to +150 °C
• Package: SOT-23

Here is an image showing the pin diagram of this transistor.The MMBT3904LT3 transistor is marked as "1AM".You can replace the MMBT3904LT3 with the 2SC3441, 2SC3912, 2SC3913, 2SC3914, 2SC3915, 2SD602A, BC817, BCW66, BCX19, FMMT2222A, FMMT2222AR, FMMT3904, FMMT491, FMMT491Q, FMMT619, FMMTA05, FMMTA06, KN2222AS, KN3904S, KST05, KST06, KST2222A, KST3904, KST4401, KTN2222AS, MMBT100, MMBT2222A, MMBT3904, MMBT3904L, MMBT3904LT1, MMBT3904LT1G, MMBT3904LT3G, MMBT4401, MMBTA05, MMBTA06, PMBT2222A, PMBT3904, PMBT4401, PMBTA06, PMST2222A, SMBTA05 or SMBTA06.The MMBT3904LT3G transistor is the lead-free version of the MMBT3904LT3.