Electronics Help Care electronics circuit diagram
PCB Layout Driver 150 watts using transistors:
This is a PCB Layout Driver of 150 watts using transistors 2sc5200 and 2sa1943. it’s a mono-amplifier circuit diagram. 60-0-60 voltage 3 amperes can be used in this circuit diagram. 2sc5200 transistor can take 1.3 amperes. This circuit can produce 150 watts and 4 ohms.
Details about 2SC5200
2sc5200 Polarity is NPN. Max Collector Power Dissipation is 150 Watts. The Max Collector-Base Voltage is 250 Voltage. Max Collector-Emitter Voltage is 250 Voltage. The Max Emitter-Base Voltage is 5 Voltage. Maximum Collector Current is 17 amperes.
Details about 2SA1943
2sa1943 Polarity is PNP. Max Collector Power Dissipation is 150 Watts. The Max Collector-Base Voltage is 250 Voltage. Max Collector-Emitter Voltage is 250 Voltage. The Max Emitter-Base Voltage is 5 Voltage. Maximum Collector Current is 17 amperes.
Here we can see that the maximum voltage is 250, which can throw the Emitter and Collector. The base can take 5 voltages. and the voltage ampere can take a maximum of 17.
The PCB
This circuit doesn’t have speaker protection. here need a speaker protection circuit. here is the link to get the speaker protection circuit. Diagram is here
This is the Speaker protection circuit diagram. It can protect our Speaker from the burn. if the amplifier has any problem then this circuit can save our soundbox. Normally when the transistor makes a short circuit the voltage comes out from the speaker output line then this circuit protects that voltage. This circuit should not allow any direct voltage to be sent to the speaker. This circuit is very important for protecting the speaker.
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