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

SMI18-5.9-V-P5

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

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

Short technical summary and product information.

The CUI Inc. SMI18-5.9-V-P5 is a versatile AC-DC power supply designed for various applications. It delivers a stable 5.9V output at a maximum current of 3A, providing up to 17.7W of continuous power. The unit operates with a universal input voltage range of 90-264 Vac and features interchangeable AC blades for global use.

 

This power supply meets DoE Level VI and CoC Tier 2 efficiency standards, ensuring energy-conscious operation with a no-load power consumption of less than 0.075W. It includes over-voltage, over-current, and short-circuit protections for enhanced safety and reliability. The SMI18-5.9-V-P5 is certified to UL/cUL, RCM, CCC, and PSE safety approvals and certified to 60950-1 and 62368-1 standards.

 

Designed as a wall mount adapter, it features a standard barrel plug output connector (2.1mm I.D. x 5.5mm O.D. x 9.5mm) with positive center polarization. The compact dimensions and included multi-blade input make it suitable for international applications requiring ITE (Commercial) use.

SMI18-5.9-V-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-V-P5 Compliance

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

SMI18-5.9-V-P5 Features

  • Up to 18 W continuous power output.
  • DoE Level VI, CoC Tier 2 efficiency.
  • Universal input voltage range.
  • Interchangeable AC blades for global use.
  • Over voltage, over current, and short circuit protections.

SMI18-5.9-V-P5 Applications

  • ITE (commercial) equipment power supplies
  • Suitable for networking and telecom devices
  • Used in point-of-sale and kiosk systems
  • Ideal for small home appliances
  • Supports security and access control devices

SMI18-5.9-V-P5 FAQs

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

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

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

The SMI18-5.9-V-P5 has a maximum output power of 17.7 W.

What are the input voltage and frequency ranges for this power supply?

The input voltage range is 90 to 264 Vac, and the input frequency range is 47 to 63 Hz.

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

The SMI18-5.9-V-P5 meets DoE Level VI and CoC Tier 2 efficiency levels.

What protections are included in the SMI18-5.9-V-P5?

The power supply includes over voltage protection, over current protection, and short circuit protection.

What is the operating temperature range for the SMI18-5.9-V-P5?

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

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

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

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