Mean Well SPU01N-12 DC-DC Converter - 1W - 21.6~26.4V in 12V out

Dimension (LxWxH) (mm) 5/12Vin models:19.5 6.1 10.2mm (0.77 0.24 0.40 inch); 24Vin models:19.5 7.2 10.2mm (0.77 0.28 0.40 inch) Potting material UL 94V-0 rated