MMBT5210 Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 50 V
• Collector-Base Voltage, max: 50 V
• Emitter-Base Voltage, max: 5 V
• Collector Current − Continuous, max: 0.1 A
• Collector Dissipation: 0.35 W
• DC Current Gain (h_fe): 200 to 600
• Transition Frequency, min: 30 MHz
• Noise Figure, max: 2 dB
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: SOT-23
• These Devices are Pb-Free and are RoHS Compliant

Here is an image showing the pin diagram of this transistor.The MMBT5210 transistor is marked as "3M".You can replace the MMBT5210 with the 2SC1623, 2SC2712, 2SC3912, 2SC3913, 2SC3914, 2SC3915, 2SC4738, BC846, FMMT619, FMMT620, FMMTA05, FMMTA06, KSC1623, KST05, KST06, KTC3875, KTC3875S, MMBTA05, MMBTA06, PMBTA06, SMBTA05 or SMBTA06.