Mfr Part #:

SMI18-18-K-P5

Mfr Name: CUI Inc.

The CUI Inc. SMI18-18-K-P5 is a 20W AC-DC power supply with an 18V output. It offers universal input voltage and meets DoE Level VI efficiency standards.

Stock on Request

SMI18-18-K-P5 Description

Short technical summary and product information.

The CUI Inc. SMI18-18-K-P5 is a versatile AC-DC power supply designed for ITE (Commercial) applications. It delivers a continuous output power of up to 20W with a nominal output voltage of 18V and a maximum output current of 1.1A.

This power supply features a universal input voltage range of 90-264 Vac and operates within a frequency range of 47-63 Hz. It boasts DoE Level VI and CoC Tier 2 efficiency ratings, with an average efficiency of 88.0% at full load. The no-load power consumption is a maximum of 0.075W, contributing to its energy efficiency.

Designed for global use, it includes interchangeable AC blades and a multi-blade input connector. The output is provided via a standard barrel plug (2.1mm I.D. x 5.5mm O.D. x 9.5mm) with positive center polarization. Protections include over-voltage, over-current, and short-circuit with auto-recovery.

The unit is a wall-mount type, measuring 75.0mm x 35.0mm x 65.6mm. It is certified to UL/cUL, RCM, CCC, and PSE standards, and compliant with 60950-1 and 62368-1 safety standards. The operating temperature range is 0°C to 40°C.

SMI18-18-K-P5 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-P5 Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

SMI18-18-K-P5 Features

Up to 18 W continuous power output.
DoE Level VI, CoC Tier 2 efficiency.
Universal input voltage range.
Over voltage, over current, and short circuit protections.
Certified to 60950-1 and 62368-1 standards.

SMI18-18-K-P5 Applications

Ideal for powering industrial control equipment.
Suitable for LED lighting and signage applications.
Used in telecommunications and networking devices.
Perfect for portable electronic device charging.

SMI18-18-K-P5 FAQs

6 frequently asked questions generated from this part’s specifications.

What is the output voltage and current for the SMI18-18-K-P5?

The SMI18-18-K-P5 has a nominal output voltage of 18Vdc and a maximum output current of 1.1A, providing up to 20W of power.

What is the input voltage range for this CUI Inc. power supply?

This power supply accepts a universal input voltage range of 90 to 264 Vac.

What are the efficiency ratings for the SMI18-18-K-P5?

The SMI18-18-K-P5 meets DoE Level VI and CoC Tier 2 efficiency standards, with an average efficiency of 88.0%.

What type of output connector does the SMI18-18-K-P5 use?

It features a standard barrel plug with dimensions of 2.1mm I.D. x 5.5mm O.D. x 9.5mm and positive center polarization.

What safety certifications does the SMI18-18-K-P5 hold?

The power supply is certified to UL/cUL, RCM, CCC, and PSE standards and compliant with 60950-1 and 62368-1.

What is the operating temperature range for this power adapter?

The operating temperature range for the SMI18-18-K-P5 is from 0°C to 40°C.

Category	AC DC Desktop, Wall Adapters
Manufacturer Name	CUI Inc.
AEC Qualified	No
Applications	ITE (Commercial)
Approval Agency	UL/cUL, RCM, CCC, and PSE
Automotive Grade	No
Cord Length	59" (1.50m)
Current	1.1A
Efficiency	88.0%
Form	Wall Mount (Class II)
Frequency	47 ~ 63 Hz
Height	65.6mm (2.58")
Industrial Grade	No
Input Connector	Multi-Blade
Input Type	Multi-Blade (Sold Separately)
Length	75.0mm (2.95")
Medical Grade	No
Military Grade	No
No Load Power Consumption	100mW (Max)
Operating Temperature	0°C ~ 40°C
Output Connector	Barrel Plug, 2.1mm I.D. x 5.5mm O.D. x 9.5mm
Polarization	Positive Center
Power (Watts)	20 W
Region Utilized	International
Standard Number	60950-1 and 62368-1
Voltage	18 Vdc
Width	35.0mm (1.38")