SS54 SMD Schottky Diode 5A 40V, DO-214AC (SMA)
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Prices updated: 13 Oct 2026
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About this product
SS54 is a 5A, 40V Schottky barrier diode in a DO-214AC (SMA) surface-mount package, listed as an SMD counterpart to the 1N5824. Its low forward voltage drop and fast switching make it useful as a freewheeling diode in buck converters, for reverse-polarity protection and in low-voltage rectification.
Specifications
- Type
- Schottky
- Forward current
- 5A
- Reverse voltage
- 40V
- Package
- DO-214AC (SMA)
- Mounting
- SMD
- Listed equivalent
- 1N5824
Frequently asked questions
Can I use SS54 as a freewheeling diode in a buck converter?
Yes, Schottky diodes are commonly used as the catch diode in buck converters. Make sure its 5A rating covers your peak current, and place it close to the switching node with short traces to reduce losses and ringing.
How does it compare with the 1N5824?
The listing presents SS54 as an SMD counterpart with the same 5A and 40V ratings, while the 1N5824 is an axial leaded part. Check both datasheets for the exact electrical characteristics before substituting one for the other.
