MMBT100A Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 45 V
• Collector-Base Voltage, max: 75 V
• Emitter-Base Voltage, max: 6 V
• Collector Current − Continuous, max: 0.5 A
• Collector Dissipation: 0.35 W
• DC Current Gain (h_fe): 300 to 600
• Transition Frequency, min: 250 MHz
• Noise Figure, max: 4 dB
• Operating and Storage Junction Temperature Range: -65 to +150 °C
• Package: SOT-23
• Electrically Similar to the Popular PN100A transistor

Here is an image showing the pin diagram of this transistor.The MMBT100A transistor is marked as "NA1".The complementary PNP transistor to the MMBT100A is the MMBT200A.The PN100A is the TO-92 version of the MMBT100A.You can replace the MMBT100A with the 2SC3912, 2SC3913, 2SC3914, 2SC3915, BC817, BC817-40, BCW66, BCW66H, BCX19, FMMT619, FMMT620, FMMTA05, FMMTA06, KST05, KST06, MMBT6428, MMBTA05, MMBTA06, PMBTA06, SMBTA05 or SMBTA06.