VFK400W-Q48-S48 The CUI Inc. VFK400W-Q48-S48 is a 400W DC-DC converter with a 48V output voltage and an 86.5% efficiency. It features a rugged metal enclosure with an integrated heat sink.
Mfr Part #:

VFK400W-Q48-S48

Mfr Name: CUI Inc.
CUI Inc.
The CUI Inc. VFK400W-Q48-S48 is a 400W DC-DC converter with a 48V output voltage and an 86.5% efficiency. It features a rugged metal enclosure with an integrated heat sink.
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$ Price Range: $0.99

VFK400W-Q48-S48 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Efficiency
Height
Length
Mounting Type
Number of Outputs
Operating Temperature
Output Power
Power (Watts)
Tape & Reel
Type
Voltage
Width

VFK400W-Q48-S48 Description

Short technical summary and product information.

The CUI Inc. VFK400W-Q48-S48 is an enclosed DC-DC converter designed for robust performance. It offers a single 48V output with a maximum current of 8.3A, delivering up to 398W of power.

 

Key electrical specifications include an input voltage range of 18~75 Vdc, a high efficiency of up to 86.5%, and protections such as over current, over temperature, over voltage, and short circuit.

 

This converter features a chassis mount type and a rugged metal enclosure with an integrated heat sink, making it suitable for demanding applications. The operating temperature range is -40°C to 100°C.

VFK400W-Q48-S48 Quick Information

Product Type: DC DC Converter
Series: VFK400W
Canonical Name: CUI Inc. VFK400W-Q48-S48 DC-DC Converter
Subcategory: DC DC Converters

VFK400W-Q48-S48 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

VFK400W-Q48-S48 Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

VFK400W-Q48-S48 Features

  • 400W isolated output power.
  • Rugged metal enclosure with heat sink.
  • Wide 18-75 Vdc input range.
  • Single 48V output voltage.
  • High efficiency up to 86.5%.

VFK400W-Q48-S48 Applications

  • Suitable for industrial power systems.
  • Ideal for embedded computing applications.
  • Used in telecommunications equipment.
  • Applicable in distributed power architectures.

VFK400W-Q48-S48 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the VFK400W-Q48-S48?

The input voltage range is 18 to 75 Vdc.

What is the output voltage of this converter?

The output voltage is 48 Vdc.

What is the maximum output current?

The maximum output current is 8.3 A.

What is the efficiency of the VFK400W-Q48-S48?

The maximum efficiency is 86.5%.

What is the isolation voltage between input and output?

The isolation voltage is 1500 Vdc.

What are the operating temperature limits?

It operates from -40°C to 100°C.

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