SMI18-5.9-K-P5R The CUI Inc. SMI18-5.9-K-P5R is an AC-DC power supply with a 5.9V output voltage and a maximum output current of 3A, delivering up to 17.7W of power. It features universal input voltage and DoE Level VI efficiency.
Mfr Part #:

SMI18-5.9-K-P5R

Mfr Name: CUI Inc.
CUI Inc.
The CUI Inc. SMI18-5.9-K-P5R is an AC-DC power supply with a 5.9V output voltage and a maximum output current of 3A, delivering up to 17.7W of power. It features universal input voltage and DoE Level VI efficiency.
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SMI18-5.9-K-P5R Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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SMI18-5.9-K-P5R Description

Short technical summary and product information.

The CUI Inc. SMI18-5.9-K-P5R is a versatile AC-DC power supply designed for various applications. It operates with a universal input voltage range of 90-264 Vac and a frequency range of 47-63 Hz, making it suitable for global use.

 

This power supply delivers a nominal output voltage of 5.9Vdc and a maximum output current of 3A, providing a maximum output power of 17.7W. It meets DoE Level VI and CoC Tier 2 efficiency standards, with an average efficiency of 83.1% and a low no-load power consumption of less than 0.075W.

 

Key features include over-voltage, over-current, and short-circuit protections, ensuring safe operation. The unit is certified to UL/cUL, RCM, CCC, and PSE safety standards and certified to 60950-1 and 62368-1 standards. It comes with interchangeable AC blades for global compatibility and a positive center polarity output connector.

 

The SMI18-5.9-K-P5R is housed in a wall mount (Class II) form factor with dimensions of 75.0mm x 35.0mm x 65.6mm. It is suitable for ITE (Commercial) applications.

SMI18-5.9-K-P5R Quick Information

Product Type: AC-DC Power Supply
Series: SMI18
Canonical Name: CUI Inc. SMI18 Series AC-DC Power Supply, 5.9V, 3A, 17.7W
Subcategory: Wall Mount Adapter

SMI18-5.9-K-P5R Compliance

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

SMI18-5.9-K-P5R Features

  • Delivers 17.7W continuous power.
  • Meets DoE Level VI efficiency standards.
  • Features over voltage, over current protection.
  • Universal input voltage range for global use.
  • Certified to UL/cUL, RCM, CCC, PSE standards.

SMI18-5.9-K-P5R Applications

  • Powers portable electronics and chargers.
  • Ideal for IoT and smart home devices.
  • Used in networking and communication equipment.
  • Supports LED lighting and display systems.

SMI18-5.9-K-P5R FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage and current for the SMI18-5.9-K-P5R?

The SMI18-5.9-K-P5R has a nominal output voltage of 5.9Vdc and a maximum output current of 3.0A.

What is the maximum power output of the SMI18-5.9-K-P5R?

The maximum continuous power output for the SMI18-5.9-K-P5R is 17.7W.

What is the input voltage range for this AC-DC power supply?

The SMI18-5.9-K-P5R accepts a universal input voltage range of 90 to 264 Vac.

Does this power supply meet energy efficiency standards?

Yes, it meets DoE Level VI and CoC Tier 2 efficiency standards, with an average efficiency of 83.1%.

What protections are included in the SMI18-5.9-K-P5R?

It includes over voltage protection, over current protection, and short circuit protection.

What are the operating temperature limits?

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

What type of output connector does it use?

It uses a Barrel Plug R/A connector with a 2.1mm I.D. x 5.5mm O.D. x 9.5mm size.

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