1N5406 General Purpose Rectifier Diode 3A 600V
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Prices updated: 12 Oct 2026
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About this product
The 1N5406 is a 3 A, 600 V general-purpose rectifier diode in an axial DO-201AD package. It is commonly used in mains rectification, power supply circuits and freewheeling applications where a higher reverse voltage margin is needed.
Specifications
- Diode type
- General purpose rectifier
- Maximum reverse voltage
- 600 V
- Average forward current
- 3 A
- Package
- DO-201AD (axial)
Frequently asked questions
Can the 1N5406 rectify 230 V AC mains?
Yes. Its 600 V reverse rating is well above the peak of 230 V AC mains (about 325 V), which leaves a comfortable margin. For full-wave rectification, use four diodes in a bridge.
How does the 1N5406 differ from the 1N5401?
Both are rated for 3 A, but the 1N5406 has a 600 V reverse rating compared with 100 V for the 1N5401. Choose the 1N5406 when the reverse voltage in your circuit is higher than 100 V.
