Specifications:

1. input voltage: 3 to 40 VDC
2. output voltage: 1.25 to 35 VDC
3. max. output current: 2.5 A
4. chip: LM2596S
5. dimensions: 49 x 26 x 12 mm (1.14 x 1.02 x 0.47 " )

lm2596d_datasheet.pdf

vma404-schematic.pdf

ce_rohs_open.pdf

wpm404a4v01.pdf