CUI Inc PYBJ3 3W DC-DC Converters are high efficiency (up to 82%), single-output converters with 3W isolated output. CUI Inc PYBJ3 is available with or without a case and features an ultra-wide input voltage range (4.5VDC to 9VDC or 9VDC to 36VDC). The series offers 1500VDC isolation and is EN62368 approved.