1N5404 Rectifier Diode 3A 400V
Part number: 1N5404Diodes & Rectifiers
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Prices updated: 12 Oct 2026
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About this product
The 1N5404 is a 3A, 400V general-purpose silicon rectifier diode in a DO-201AD axial package. It is used in AC-to-DC rectification, power supply input stages, freewheeling and reverse-polarity protection circuits.
Specifications
- Average forward current
- 3A
- Peak reverse voltage
- 400V
- Type
- General-purpose silicon rectifier / ثنائي تقويم سيليكوني عام
- Package
- DO-201AD axial / محوري DO-201AD
Frequently asked questions
Is 400V enough for mains rectification in Egypt?
Mains at 220V RMS has a peak of about 311V, so a 400V reverse rating gives margin for typical 220V mains rectification. Use it in bridge or single-diode rectifiers as your circuit requires.
How do I identify the polarity?
The cathode end is marked with a band on the body. Current flows in the forward direction from anode to cathode.
