VOFM-5-3.3 The CUI Inc. VOFM-5-3.3 is a 5W AC-DC converter with a 3.3Vdc output and 1.25A current. It features a universal input range and compact size.
Mfr Part #:

VOFM-5-3.3

Mfr Name: CUI Inc.
CUI Inc.
The CUI Inc. VOFM-5-3.3 is a 5W AC-DC converter with a 3.3Vdc output and 1.25A current. It features a universal input range and compact size.
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VOFM-5-3.3 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Approval Agency
Current
Efficiency
Features
Frequency
Height
Length
Mounting Type
Number of Outputs
Operating Temperature
Output Power
Power (Watts)
Standard Number
Storage Temperature
Type
Voltage
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VOFM-5-3.3 Description

Short technical summary and product information.

The CUI Inc. VOFM-5-3.3 is an AC-DC power supply from the VOFM-5 series, designed for reliable power conversion. It provides a continuous output power of up to 5W with a single output voltage of 3.3Vdc and a maximum output current of 1.25A.

 

This converter features a universal input voltage range of 85-264 Vac and an efficiency of up to 68%. It includes essential protections such as over-load, over-voltage, and short-circuit protection. The isolation voltage is rated at 6,565 Vdc, and it meets full medical safety approvals.

 

The VOFM-5-3.3 is housed in a compact open-frame package with through-hole mounting. Its dimensions are 55.0mm x 35.0mm x 21.0mm. The operating temperature range is 0°C to 70°C with derating, and it is cooled by free air convection.

 

This series is suitable for applications requiring medical safety approvals, offering a robust solution for various design needs.

VOFM-5-3.3 Quick Information

Product Type: AC DC Converter
Series: VOFM-5
Canonical Name: CUI Inc. VOFM-5 Series AC-DC Power Supply, 3.3Vdc, 1.25A, 5W
Subcategory: AC DC Converters

VOFM-5-3.3 Compliance

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

VOFM-5-3.3 Features

  • Provides up to 5W continuous power.
  • Features a compact open-frame design.
  • Universal input range from 85 to 264 Vac.
  • Offers 3.3Vdc single output voltage.
  • Includes over-voltage and short-circuit protection.

VOFM-5-3.3 Applications

  • Ideal for industrial control system power supplies.
  • Used in embedded systems requiring isolated DC power.
  • Suitable for test and measurement equipment.
  • Applicable in telecommunications power solutions.

VOFM-5-3.3 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the VOFM-5-3.3?

85 to 264 VAC.

What are the output voltage and current?

3.3 VDC at 1.25 A.

What is the operating temperature range?

0°C to 70°C with derating.

What is the package type?

4-DIP through-hole module.

What protections does it have?

Over voltage (130-150%), over current (180% of rated current), and short circuit with auto recovery.

What is the isolation voltage?

6,565 VAC between primary and secondary; 1,500 VAC between primary and transformer core.

What are the dimensions?

55.0 mm x 35.0 mm x 21.0 mm.

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