1N3901R

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The 1N3901R is a rectification diode. A normal silicon rectifier diode is designed to allow the diode to pass current in only one direction. As such, the 1N3901R can be used in many applications where current must pass in one direction or another.In general, the 1N3901R is used for rectification of AC voltage. When two terminals of this diode are connected across an alternating voltage source, the current will pass through the diode in only one direction. The other direction is blocked. This rectification process is used to convert the AC voltage to DC voltage. The 1N3901R can also be used to protect circuits from electrical transients and to regulate the amount of current passing through the diode.The 1N3901R is also used for its noise filtering capabilities. When used in this manner, the diode is connected in parallel with a resistor. As current passes through the diode, it will filter out unwanted noise and reduce AC instability. The 1N3901R is also commonly used in power supplies as a freewheeling diode. In this application, the diode bypasses the load current, allowing it to be discharged into the power supply. This helps to prevent device damage due to over-voltage conditions.Generally speaking, the 1N3901R is a rectification diode that is capable of handling high voltages. The diode has a forward voltage drop of 0.7 volts and a current rating of 400 mA. Additionally, the diode has a reverse breakdown voltage of approximately 50 volts. In its most common application, the diode is used to convert AC to DC and filter out AC transients. The 1N3901R is also used in power supplies as a freewheeling diode.

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