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The CUI Inc. PYB20-Q48-S3-H-U is an enclosed DC-DC converter from the PYB20 series, delivering up to 20W of isolated output power. It features a 4:1 input voltage range, supporting 18-75 Vdc for 48V nominal systems, and provides a single regulated 3.3Vdc output with a maximum current of 5A.
This converter boasts an efficiency of up to 86% and operates reliably within a temperature range of -40°C to 85°C. It includes continuous short circuit, over current, and over voltage protection, along with 1,500 Vdc isolation. The unit is designed for chassis mounting and has dimensions of 76.0mm x 31.5mm x 25.1mm.
Key electrical specifications include a nominal input voltage of 48 Vdc and a nominal output voltage of 3.3 Vdc. The maximum output power is 16.5W for the 3.3V output, with a maximum output current of 5000mA (5A).
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The input voltage range is from 18V to 75V DC.
The output voltage is 3.3 Vdc.
The typical efficiency is 86%.
The maximum output current is 5000mA (5A).
The nominal isolation voltage is 1500 Vdc.
The operating temperature range is from -40°C to 85°C.