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DSP1N5S12 Power One Board Mount Isolated Module DC DC Converter 12V 1W UMR119IE | eBay
Amazon.com: XP POWER JWL5048S3V3 Isolated Board Mount DC/DC Converter, DIP, Fixed, Adjustable, Through Hole, 50 W, 3.3 V, 10 A : Industrial & Scientific
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DSP1N5S12 Power One Board Mount Isolated Module DC DC Converter 12V 1W UMR119IE | eBay