Electronics Help Care electronics circuit diagram
Audio amplifier circuit using tip41 and tip42:
This is an audio amplifier circuit that uses tip41 and tip42. This circuit can produce 100 watts using these transistors. it’s a mono diagram. here use 25-0-25 voltage and 4 amperes. PNP and NPN transistors are used here so we can change the transistor also, for the stereo have to use a dual circuit.
The type designator is TIP41. material of the transistor is Si. Polarity is NPN. maximum Collector Power Dissipation is 65 Watts. maximum Collector-Base Voltage is 80 Volts. maximum Collector-Emitter Voltage is 40 Volts. maximum Emitter-Base Voltage is 5 Volts. Maximum Collector Current is max 6 Amp. The max operating Junction Temperature is 150 °C. transition Frequency is 3 MHz. Forward Current Transfer Ratio is MIN: 20.
The type designator is TIP42. material of the transistor is Si. Polarity is PNP. maximum Collector Power Dissipation is 65 Watts. maximum Collector-Base Voltage is 80 Volts. maximum Collector-Emitter Voltage is 40 Volts. maximum Emitter-Base Voltage is 5 Volts. Maximum Collector Current is max 6 Amp. The max operating Junction Temperature is 150 °C. transition Frequency is 3 MHz. Forward Current Transfer Ratio is MIN: 20.
The diagram is
Always needs good quality of voltage and amperes to get good outputs. here used 25 voltage and 4 amperes. we know voltage X ampere=watts. so, 25X4=100 watts. for this need the best quality transformer, diode and capacitors. and also need the best quality of the heatsink for the transistors.
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