FJX945O Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 50 V
• Collector-Base Voltage, max: 60 V
• Emitter-Base Voltage, max: 5 V
• Collector Current − Continuous, max: 0.15 A
• Collector Dissipation: 0.2 W
• DC Current Gain (h_fe): 70 to 140
• Transition Frequency, min: 300 MHz
• Noise Figure, max: 4 dB
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: SOT-323

Here is an image showing the pin diagram of this transistor.The FJX945O transistor can have a current gain of 70 to 140. The gain of the FJX945 will be in the range from 70 to 700, for the FJX945G it will be in the range from 200 to 400, for the FJX945L it will be in the range from 350 to 700, for the FJX945Y it will be in the range from 120 to 240.The FJX945O transistor is marked as "SAO".The complementary PNP transistor to the FJX945O is the FJX733O.You can replace the FJX945O with the 2SC4116 or 2SC4116-O.