A diode is a two-terminal electronic component with asymmetric conductance; it has low resistance to current in one direction, and high resistance in the other direction.

Features of 1n4004/ 400v/ 1a general purpose diode:

1. Peak Repet. Reverse Voltage (Vrrm): 400V.
2. Max. RMS Reverse Voltage (Vr): 280V.
3. Average Rectified Current (Io): 1.0A.
4. Max. Reverse Current (Ir): 0.01mA.
5. Max. Forward Voltage Drop (Vf): 1.1v.

Applications of 1n4004/ 400v/ 1a general purpose diode:

1. It is used in rectifier circuit.
2. It is used in switching devices.
3. It is used in short circuiting protection purposes.