SMI6B-9-K-P5R The CUI Inc. SMI6B-9-K-P5R is a 9V, 5.9W AC-DC power supply designed for universal input (90-264 Vac). It offers DoE Level VI efficiency and multiple safety approvals.
Mfr Part #:

SMI6B-9-K-P5R

Mfr Name: CUI Inc.
CUI Inc.
The CUI Inc. SMI6B-9-K-P5R is a 9V, 5.9W AC-DC power supply designed for universal input (90-264 Vac). It offers DoE Level VI efficiency and multiple safety approvals.
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SMI6B-9-K-P5R Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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SMI6B-9-K-P5R Description

Short technical summary and product information.

The CUI Inc. SMI6B-9-K-P5R is a compact AC-DC power supply in a wall mount form factor, suitable for international use. It provides a single regulated output of 9V at up to 0.66A, delivering a maximum of 5.94W of power. The unit accepts a wide universal input voltage range of 90 to 264 Vac and operates across frequencies of 47 to 63 Hz.

 

This power supply meets DoE Level VI and CoC Tier 2 efficiency standards, with a typical no-load power consumption of 0.06W. It features protections against over-voltage and short circuits, ensuring reliable operation. Safety approvals include UL/cUL, GS, RCM, CCC, PSE, and UKCA, and it is certified to UL/EN/IEC 62368-1 standards.

 

The SMI6B-9-K-P5R has a compact design with dimensions of 47.0mm x 34.5mm x 26.4mm. It utilizes a multi-blade input connector (sold separately) and a barrel plug output connector (2.1mm I.D. x 5.5mm O.D. x 9.5mm) with positive center polarization. The operating temperature range is 0°C to 40°C.

SMI6B-9-K-P5R Quick Information

Product Type: AC-DC Power Supply
Series: SMI6B
Canonical Name: CUI Inc. SMI6B Series AC-DC Power Supply
Subcategory: Wall Mount Adapter

SMI6B-9-K-P5R Compliance

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

SMI6B-9-K-P5R Features

  • Universal 90-264 Vac input voltage range.
  • Provides a regulated 9Vdc output at 5.9W.
  • Meets DoE Level VI and CoC Tier 2 efficiency.
  • Compact wall mount design for international use.
  • Includes over-voltage and short-circuit protections.

SMI6B-9-K-P5R Applications

  • Ideal for powering portable electronics and peripherals.
  • Suitable for IoT devices and networking equipment.
  • Used in low-power industrial and commercial systems.
  • Powers LED lighting and small appliances.

SMI6B-9-K-P5R FAQs

6 frequently asked questions generated from this part’s specifications.
What is the output voltage and current of the SMI6B-9-K-P5R?

The SMI6B-9-K-P5R provides a 9Vdc output with a maximum current of 0.66A.

What is the input voltage range for this adapter?

The adapter accepts a universal AC input voltage range of 90 to 264 Vac.

What efficiency level does the SMI6B-9-K-P5R meet?

It meets DoE Level VI and CoC Tier 2 efficiency standards, with an average efficiency of 79.6%.

What type of output connector does it have?

It has a right-angle barrel plug with a 2.1mm inner diameter and 5.5mm outer diameter, positive center polarity.

What safety approvals does the SMI6B-9-K-P5R have?

It has safety approvals including UL/cUL, GS, RCM, CCC, PSE, and UKCA.

What is the operating temperature range?

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

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