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The CUI Inc. VFK400W-Q24-S48 is a high-power DC-DC converter from the VFK400W series, designed for demanding applications requiring up to 400W of isolated output power. This enclosed unit features a rugged metal enclosure with an integrated heat sink, suitable for chassis mounting.
Key electrical specifications include a nominal 48Vdc output voltage and an 8.3A output current, with an efficiency rating of up to 86%. The converter operates within a wide 10-36Vdc input voltage range and offers protection features such as over current, over temperature, over voltage, and short circuit protection. It also includes remote on/off functionality.
With a 1,500 Vdc isolation voltage and a switching frequency of 250 kHz, this DC-DC converter is built for reliability. It operates within a temperature range of -40°C to 85°C, making it suitable for various environmental conditions. The dimensions are 199.0mm in length, 126.8mm in width, and 39.0mm in height.
| 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 18V to 75V DC.
The output voltage is 48 Vdc.
The maximum output current is 8.3 A.
The efficiency is 86%.
The isolation voltage is 1,500 Vdc.
The operating temperature range is -40°C to 85°C.
It is RoHS3 compliant.