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SMI12-9-KB-MUB The CUI Inc. SMI12-9-KB-MUB is an AC-DC external wall mount adapter providing 9V at 1.33A for a total of 12W. It meets DoE Level VI and CoC Tier 2 efficiency standards.
Mfr Part #:

SMI12-9-KB-MUB

Mfr Name: CUI Inc.
CUI Inc.
The CUI Inc. SMI12-9-KB-MUB is an AC-DC external wall mount adapter providing 9V at 1.33A for a total of 12W. It meets DoE Level VI and CoC Tier 2 efficiency standards.
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SMI12-9-KB-MUB Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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Current
Efficiency
Form
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Halogen Free
Height
Input Connector
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SMI12-9-KB-MUB Description

Short technical summary and product information.

The CUI Inc. SMI12-9-KB-MUB is an external AC-DC power supply designed for wall mounting. It operates within a universal input voltage range of 90-264 Vac and delivers a stable 9V output at a maximum current of 1.33A, providing up to 12W of continuous power.

 

This adapter features DoE Level VI and CoC Tier 2 efficiency, ensuring energy savings and reduced heat generation. It is certified to IEC 62368-1 safety standards and carries approvals from CE, cULus, FCC, and PSE, making it suitable for international commercial ITE applications. Protections include over-voltage, over-current, and short-circuit with auto-recovery.

 

The unit utilizes a multi-blade input connector, sold separately, allowing for global use with interchangeable blades. Its compact dimensions are 69.0mm x 31.8mm x 47.5mm, and it operates within an ambient temperature range of -10°C to 40°C. The SMI12 series offers a reliable power solution with essential safety features and high efficiency.

SMI12-9-KB-MUB Quick Information

Product Type: AC DC Desktop, Wall Adapters
Series: SMI12
Canonical Name: CUI Inc. SMI12 Series AC-DC External Power Supply
Subcategory: External

SMI12-9-KB-MUB Compliance

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

SMI12-9-KB-MUB Features

  • Delivers 12W continuous power at 9V.
  • Meets DoE Level VI and CoC Tier 2 efficiency.
  • Universal 90-264 Vac input voltage range.
  • IEC 62368-1 certified with global approvals.
  • Features over-voltage, over-current, and short-circuit protection.

SMI12-9-KB-MUB Applications

  • Ideal for powering portable electronics and peripherals.
  • Suitable for IoT devices, routers, and small appliances.
  • Used in industrial control systems requiring 9V supply.
  • Applicable for medical equipment (non-patient contact) with isolation.
  • Fits global applications with universal input and multi-blade option.

SMI12-9-KB-MUB FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the SMI12-9-KB-MUB?

The input voltage range is 90-264 Vac.

What output voltage and current does this adapter provide?

Output voltage is 9 Vdc, maximum output current is 1.33 A.

What is the operating temperature range?

-10°C to 40°C.

What is the form factor of the adapter?

Wall mount (Class II) with a multi-blade input connector (sold separately).

What efficiency level does this adapter meet?

DoE Level VI and CoC Tier 2.

Does it have short-circuit protection?

Yes, with auto recovery.

What is the isolation voltage?

3000 Vac.

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