DSBH – 1-3W, Wide Input, DC-DC Converter Series | Polytron No minimum load required 1W to 3W 3000Vdc Input to Output Isolation available 4:1 Wide Input Voltage Range Extra Small SMD or DIP Package Download data sheets Industrial DSBH1 (0 B) DSBH2 (0 B) DSBH3 (0 B) Rail & Transportation DSBH1 (0 B) DSBH2 (0 B) DSBH3 (0 B)