SMI18-12-E-ST The CUI Inc. SMI18-12-E-ST is a 12V, 1.6A AC-DC power supply delivering up to 19.2W. It features universal input voltage and DoE Level VI efficiency.
Mfr Part #:

SMI18-12-E-ST

Mfr Name: CUI Inc.
CUI Inc.
The CUI Inc. SMI18-12-E-ST is a 12V, 1.6A AC-DC power supply delivering up to 19.2W. It features universal input voltage and DoE Level VI efficiency.
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SMI18-12-E-ST Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Applications
Approval Agency
Automotive Grade
Cord Length
Current
Efficiency
Form
Frequency
Industrial Grade
Input Connector
Input Type
Medical Grade
Military Grade
Mounting Type
No Load Power Consumption
Operating Temperature
Output Connector
Output Power
Power (Watts)
Region Utilized
SVHC Present
Standard Number
Termination Style
Voltage

SMI18-12-E-ST Description

Short technical summary and product information.

The CUI Inc. SMI18-12-E-ST is an AC-DC power supply designed for ITE applications. It provides a stable 12V output at a maximum current of 1.6A, delivering up to 19.2W of continuous power.

 

This power supply operates with a universal input voltage range of 90-264 Vac and features DoE Level VI and CoC Tier 2 efficiency standards, ensuring low no-load power consumption of less than 0.075W. It includes over-voltage, over-current, and short-circuit protections for reliable operation.

 

The unit is a wall mount adapter with a Class II rating and comes with interchangeable AC blades for global use, including a European blade. The output is provided via stripped and tinned wire leads, with a cord length of 59 inches (1.50m). The operating temperature range is 0°C to 40°C.

 

Safety approvals include UL/cUL, RCM, CCC, and PSE, and it is certified to 60950-1 and 62368-1 standards.

SMI18-12-E-ST Quick Information

Product Type: AC-DC Power Supply
Series: SMI18
Canonical Name: CUI Inc. SMI18 Series AC-DC Power Supply
Subcategory: Wall Mount Adapter

SMI18-12-E-ST Compliance

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

SMI18-12-E-ST Features

  • Delivers 12V at 1.6A for 19.2W output.
  • Universal 90-264 Vac input voltage range.
  • Meets DoE Level VI and CoC Tier 2 efficiency.
  • Includes OVP, OCP, and short circuit protections.
  • Wall mount adapter with European blade included.

SMI18-12-E-ST Applications

  • Ideal for powering portable electronic devices.
  • Used in IoT and home automation equipment.
  • Suitable for LED lighting and signage.
  • Supports industrial control systems requiring 12Vdc.

SMI18-12-E-ST FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the SMI18-12-E-ST?

90-264 Vac.

What is the output voltage and current?

12.0 Vdc at 1.6A maximum.

What is the operating temperature range?

0°C to 40°C.

What is the efficiency of this adapter?

85.9% average efficiency, CoC Tier 2 compliant.

What protections are included?

Over voltage protection (22 Vdc minimum), over current protection (5.0A maximum), and short circuit protection with auto recovery.

What is the mounting type?

Wall mount (Class II).

What is the no-load power consumption?

0.075W maximum at 230 Vac.

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