SMI18-18-K-P5R The CUI Inc. SMI18-18-K-P5R is a 20W AC-DC wall mount power adapter with an 18V output. It offers universal input voltage and meets DoE Level VI efficiency standards.
Mfr Part #:

SMI18-18-K-P5R

Mfr Name: CUI Inc.
CUI Inc.
The CUI Inc. SMI18-18-K-P5R is a 20W AC-DC wall mount power adapter with an 18V output. It offers universal input voltage and meets DoE Level VI efficiency standards.
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SMI18-18-K-P5R Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Approval Agency
Cord Length
Current
Efficiency
Form
Frequency
Input Connector
Input Type
No Load Power Consumption
Operating Temperature
Output Connector
Polarization
Power (Watts)
Region Utilized
Standard Number
Voltage

SMI18-18-K-P5R Description

Short technical summary and product information.

The CUI Inc. SMI18-18-K-P5R is a versatile AC-DC power supply designed for wall-mount applications. It delivers a continuous 20W of power with a stable 18V DC output at 1.1A.

 

This power supply features a universal input voltage range of 90-264 Vac and operates across a frequency range of 47-63 Hz, making it suitable for international use. It complies with DoE Level VI and CoC Tier 2 efficiency standards, ensuring energy efficiency with a no-load power consumption of less than 0.075W.

 

Key features include over-voltage, over-current, and short-circuit protections for enhanced safety. The unit is certified to UL/cUL, RCM, CCC, and PSE standards and is certified to 60950-1 and 62368-1 safety standards. The SMI18-18-K-P5R has a compact mechanical design with dimensions of 75.0mm x 35.0mm x 65.6mm and operates within a temperature range of 0°C to 40°C.

 

It utilizes a multi-blade input connector (sold separately) and a standard barrel plug output connector (2.1mm I.D. x 5.5mm O.D. x 9.5mm) with a positive center polarization. The included cord length is 1.50m.

SMI18-18-K-P5R Quick Information

Product Type: AC-DC Power Supply
Series: SMI18
Canonical Name: CUI Inc. SMI18 Series AC-DC Power Supply, 18V, 1.1A, 20W
Subcategory: Wall Mount Adapter

SMI18-18-K-P5R Compliance

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

SMI18-18-K-P5R Features

  • Delivers 18V at 1.1A for 20W output.
  • Universal 90-264 Vac input voltage range.
  • Meets DoE Level VI and CoC Tier 2 efficiency.
  • Includes over-voltage and over-current protection.
  • Certified to UL/cUL, CCC, PSE, and RCM standards.

SMI18-18-K-P5R Applications

  • Suitable for ITE commercial equipment.
  • Ideal for international product designs.
  • Used in devices requiring stable DC power.
  • Compact wall-mount power solution.

SMI18-18-K-P5R FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage and current of the SMI18-18-K-P5R?

The SMI18-18-K-P5R provides an 18Vdc output voltage at a maximum current of 1.1A.

What is the maximum power output for this AC-DC adapter?

The maximum power output for the SMI18-18-K-P5R is 20W.

What is the input voltage range for the CUI Inc. SMI18-18-K-P5R?

The input voltage range is 90 to 264 Vac.

What efficiency level does this power supply meet?

This power supply meets DoE Level VI and CoC Tier 2 efficiency standards.

What are the dimensions of the SMI18-18-K-P5R?

The dimensions are 75.0mm in length, 35.0mm in width, and 65.6mm in height.

What is the operating temperature range for this adapter?

The operating temperature range is 0°C to 40°C.

Does the SMI18-18-K-P5R have over-voltage protection?

Yes, the 24 Vdc output model has over-voltage protection set at a minimum of 45 Vdc.

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