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| Efficiency | |
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| Input Fuse (48 Vin models) | |
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| input fuse (@ 24 Vin models) | |
| operating input voltage (@ 24 Vdc input models) | |
| operating input voltage (@ 48 Vdc input models) |
The CUI Inc. VHK150W-Q24-S28 is a 151W enclosed DC-DC converter designed for robust performance. It features a 28V single output and accepts a wide 9-36Vdc input voltage range, with an alternative 18-75Vdc input available in other models.
Key electrical specifications include a maximum output current of 5.4A and an efficiency of up to 87%. The converter provides 1500Vdc isolation and incorporates essential protection features such as over current, over temperature, over voltage, and short circuit protection. It also includes remote on/off control.
This DC-DC converter is designed for chassis mounting and has a rugged metal enclosure with an integrated heat sink. Its operating temperature range is -40°C to 85°C. The dimensions are 107.5mm x 101.8mm x 38.0mm.
Additional features include continuous short circuit protection and over current protection ranging from 110-140% of nominal output current. Over voltage protection is rated at 115-140%. The switching frequency is 250 kHz, with a transient response of 500 µs for a 25% step load change.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The output voltage is 28 Vdc.
The maximum output power is 151W.
The input voltage range is 9-36 Vdc.
It includes over current, over temperature, over voltage, and short circuit protections.
The operating temperature range is -40°C to 85°C.
It is designed for chassis mounting.