BC818-40W Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 25 V
• Collector-Base Voltage, max: 30 V
• Emitter-Base Voltage, max: 5 V
• Collector Current − Continuous, max: 0.5 A
• Collector Dissipation: 0.2 W
• DC Current Gain (h_fe): 250 to 600
• Transition Frequency, min: 100 MHz
• Operating and Storage Junction Temperature Range: -65 to +150 °C
• Package: SOT-323
• Electrically Similar to the Popular BC338-40 transistor

Here is an image showing the pin diagram of this transistor.The BC818-40W transistor can have a current gain of 250 to 600. The gain of the BC818-16W will be in the range from 100 to 250, for the BC818-25W it will be in the range from 160 to 400, for the BC818W it will be in the range from 100 to 600.The complementary PNP transistor to the BC818-40W is the BC808-40W.The BC338-40 is the TO-92 version of the BC818-40W.You can replace the BC818-40W with the BC817-40W or BC817W.