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Mono Power Amplifier using A1015, BD140 ,TIP2955 - Electronic Circuit
Battery Charger Circuit Diagram with Piezo Ttransducer
BD140
5W Audio Amplifier Circuit - BD139 / BD140 - YouTube
LED Emergency Light Circuit Using LDR (Light Dependent Resistor)
Introduction to BD140 - The Engineering Projects
BD140 PNP Power Transistor - Datasheet
Some of my Circuit Collections redrawn using TinyCad
Power Supply Circuit: Circuit power supply regulator 0-35V 2A by IC
BD139 BD140 100W Bipolar Power Amplfier - Electronic Circuit