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SMI18-5.9-K-P5 The CUI Inc. SMI18-5.9-K-P5 is an AC-DC power supply with a 5.9V output voltage and 3A output current, delivering up to 17.7W of continuous power. It features universal input voltage and DoE Level VI efficiency.
Mfr Part #:

SMI18-5.9-K-P5

Mfr Name: CUI Inc.
CUI Inc.
The CUI Inc. SMI18-5.9-K-P5 is an AC-DC power supply with a 5.9V output voltage and 3A output current, delivering up to 17.7W of continuous power. It features universal input voltage and DoE Level VI efficiency.
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SMI18-5.9-K-P5 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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SMI18-5.9-K-P5 Description

Short technical summary and product information.

The CUI Inc. SMI18-5.9-K-P5 is a versatile AC-DC power supply designed for various applications. It provides a stable 5.9V output at up to 3A, totaling 17.7W of continuous power. The unit accepts a universal input voltage range of 90-264 Vac and operates across a frequency range of 47-63 Hz, making it suitable for global use.

 

This power supply meets DoE Level VI and CoC Tier 2 efficiency standards, ensuring energy savings with a no-load power consumption of less than 0.075W. It includes essential protections such as over-voltage, over-current, and short-circuit protection for enhanced safety and reliability.

 

The SMI18-5.9-K-P5 features a compact design with dimensions of 75.0mm x 35.0mm x 65.6mm. It utilizes a multi-blade input connector (sold separately) for interchangeable AC blades and a standard 2.1mm I.D. x 5.5mm O.D. x 9.5mm barrel plug output connector with positive center polarization. The unit is certified to UL/cUL, RCM, CCC, and PSE safety standards and complies with 60950-1 and 62368-1.

 

Key features include its high efficiency, broad input voltage range, and comprehensive safety approvals. The wall mount form factor and included cord length of 1.20m (47.2") offer convenient integration into various systems.

SMI18-5.9-K-P5 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 Adapter

SMI18-5.9-K-P5 Compliance

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

SMI18-5.9-K-P5 Features

  • Provides 5.9V output at 3A.
  • Delivers up to 18W continuous power.
  • Meets DoE Level VI efficiency standards.
  • Universal input voltage range (90-264 Vac).
  • Includes OVP, OCP, and SCP protections.

SMI18-5.9-K-P5 Applications

  • Powers IoT devices and smart home hubs.
  • Suitable for networking and communication equipment.
  • Ideal for global use with interchangeable blades.
  • Provides protected power for sensitive electronics.

SMI18-5.9-K-P5 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage and current for the SMI18-5.9-K-P5?

The SMI18-5.9-K-P5 provides a 5.9Vdc output voltage and a maximum output current of 3.0A.

What is the maximum power output of the SMI18-5.9-K-P5?

The SMI18-5.9-K-P5 can deliver up to 17.7W of output power.

What is the input voltage range for this power supply?

The input voltage range is 90 to 264 Vac.

What efficiency level does the SMI18-5.9-K-P5 meet?

It meets DoE Level VI and CoC Tier 2 efficiency levels.

What are the dimensions of the SMI18-5.9-K-P5?

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

What type of output connector does the SMI18-5.9-K-P5 use?

It uses a Barrel Plug connector with a 2.1mm I.D. x 5.5mm O.D. x 9.5mm size and positive center polarization.

What safety approvals does the SMI18-5.9-K-P5 have?

It has CB Scheme, CCC, CSA, EN, IEC, PSE, RCM, and UL safety approvals.

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