2SD874A-R 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: 1 A
• Collector Dissipation: 1 W
• DC Current Gain (h_fe): 120 to 240
• Transition Frequency, min: 200 MHz
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: SOT-89

Here is an image showing the pin diagram of this transistor.The 2SD874A-R transistor can have a current gain of 120 to 240. The gain of the 2SD874A will be in the range from 85 to 340, for the 2SD874A-Q it will be in the range from 85 to 170, for the 2SD874A-S it will be in the range from 170 to 340.The 2SD874A-R transistor is marked as "YR".The complementary PNP transistor to the 2SD874A-R is the 2SB766A-R.You can replace the 2SD874A-R with the 2SC2873, 2SC2873-Y, 2SC3444, 2SD1622, 2SD1623, 2SD1624, BCX55, BCX55-16, BCX56, BCX56-16, BSR41, BSR43 or KTC4378.