Mornsun B2405S-2WR2 2W Isolated DC-DC Converter 24V to 5V
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Prices updated: 13 Oct 2026
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About this product
The B2405S-2WR2 is a 2 W isolated DC-DC converter module from Mornsun that steps a 24 V input down to a 5 V output. Its miniature SIP package and 1500 VDC input-to-output isolation suit relay drive, data switching and digital or low-frequency analog circuits in distributed power systems.
Specifications
- Input voltage
- 24 V
- Output voltage
- 5 V
- Output power
- 2 W
- Isolation voltage
- Up to 1500 VDC
- Input variation
- ±10% Vin
- Operating temperature
- -40 °C to +105 °C
Frequently asked questions
What input voltage tolerance does it need?
The listing says it is designed for an input variation of ±10% Vin or less. Use a stable 24 V supply, because large swings or transients can push the input outside this range.
When is the isolation useful?
Isolation up to 1500 VDC separates the input and output grounds, which helps when the 5 V side must be electrically separated from the 24 V side, such as in relay-driven or data-switching circuits. Output regulation is not tight, so it is not meant for precision analog references.
