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SMI6B-9-4-MUB The CUI Inc. SMI6B-9-4-MUB is a 9V, 5.9W AC-DC power supply designed for universal input (90-264 Vac). It offers DoE Level VI and CoC Tier 2 efficiency.
Mfr Part #:

SMI6B-9-4-MUB

Mfr Name: CUI Inc.
CUI Inc.
The CUI Inc. SMI6B-9-4-MUB is a 9V, 5.9W AC-DC power supply designed for universal input (90-264 Vac). It offers DoE Level VI and CoC Tier 2 efficiency.
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SMI6B-9-4-MUB Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
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Cord Length
Current
Efficiency
Form
Frequency
Input Connector
Input Type
No Load Power Consumption
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Output Connector
Output Current
Output Power
Power (Watts)
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SMI6B-9-4-MUB Description

Short technical summary and product information.

The CUI Inc. SMI6B-9-4-MUB is a versatile AC-DC power supply from the SMI6B series, delivering a single regulated 9Vdc output with a maximum current of 0.66A and power of 5.94W. It features a universal input voltage range of 90-264 Vac and operates at frequencies between 47-63 Hz. This compact, wall-mount unit is designed for ITE (Commercial) applications and boasts DoE Level VI and CoC Tier 2 efficiency.

 

Key electrical specifications include a typical average efficiency of 79.6% and a low no-load power consumption of 0.075W. The power supply incorporates over-voltage and short-circuit protections with auto-recovery. It meets stringent safety standards, with approvals including UL/cUL, GS, RCM, CCC, and PSE, and is certified to UL/EN/IEC 62368-1.

 

The SMI6B-9-4-MUB comes with interchangeable AC blades, including North America, Europe, United Kingdom, and Australia options, making it suitable for international use. Its dimensions are 47.0mm x 34.5mm x 26.4mm, and it operates within a temperature range of 0°C to 40°C. The unit includes a 1.53m cord and a USB Micro output connector.

SMI6B-9-4-MUB Quick Information

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

SMI6B-9-4-MUB Compliance

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

SMI6B-9-4-MUB Features

  • Universal 90-264 Vac input voltage range.
  • Provides a regulated 9Vdc output.
  • Delivers up to 5.94W of power.
  • Achieves DoE Level VI efficiency.
  • Includes interchangeable AC blades for global use.

SMI6B-9-4-MUB Applications

  • Ideal for powering IoT devices and sensors.
  • Suitable for portable electronics and peripherals.
  • Use in home automation and smart home devices.
  • Compatible with USB Micro powered equipment.

SMI6B-9-4-MUB FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range?

90-264 Vac.

What is the operating temperature range?

0°C to 40°C.

What is the output voltage?

9 Vdc.

What is the maximum output current?

0.66 A.

What is the efficiency rating?

79.6% average, CoC Tier 2 compliant.

What protections does the adapter have?

Over current and short circuit protection with auto recovery.

What safety approvals does the SMI6B-9-4-MUB have?

UL/cUL, GS, RCM, CCC, PSE, UKCA.

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