MIC 1N4001 DO-41 Axial Silastic Guard Junction Standard Rectifier Diode (Pack of 1) Go to amazon.com Related posts Top diode for doorbell for 2022 Feature1N4001 Diode 1A 50V DescriptionThe 1N4001 are Axial Silastic Guard Junction Standard Rectifier Diodes in a DO-41 package with a Maximum Repetitive Peak Reverse Voltage: 50 Volts.