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SMI18-9-K-P6 The CUI Inc. SMI18-9-K-P6 is a 20W AC-DC power supply with a 9V output voltage and 2.2A maximum current. It meets DoE Level VI and CoC Tier 2 efficiency standards.
Mfr Part #:

SMI18-9-K-P6

Mfr Name: CUI Inc.
CUI Inc.
The CUI Inc. SMI18-9-K-P6 is a 20W AC-DC power supply with a 9V output voltage and 2.2A maximum current. It meets DoE Level VI and CoC Tier 2 efficiency standards.
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SMI18-9-K-P6 Specifications Quick View

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SMI18-9-K-P6 Description

Short technical summary and product information.

The CUI Inc. SMI18-9-K-P6 is an AC-DC power supply designed for ITE (Commercial) applications. It operates within a universal input voltage range of 90-264 VAC and a frequency range of 47-63 Hz.

 

This power supply delivers a stable 9V output voltage with a maximum current of 2.2A, providing up to 20W of continuous power. It features DoE Level VI and CoC Tier 2 efficiency, with a low no-load power consumption of less than 0.075W. The unit includes over-voltage, over-current, and short-circuit protections for enhanced safety.

 

Designed for global use, it supports interchangeable AC blades and comes with a multi-blade input connector. The output is delivered via a barrel plug (2.5mm I.D. x 5.5mm O.D. x 9.5mm) with a cord length of 59 inches (1.50m). The form factor is a Class II wall mount, with dimensions of 75.0mm x 35.0mm x 65.6mm.

 

Safety approvals include CB Scheme, CCC, CSA, EN, IEC, PSE, RCM, and UL, certified to 60950-1 and 62368-1 standards. The operating temperature range is 0°C to 40°C.

SMI18-9-K-P6 Quick Information

Product Type: AC DC Desktop, Wall Adapters
Series: SMI18
Canonical Name: CUI Inc. SMI18 Series AC-DC Power Supply, 9V, 2.2A, 20W
Subcategory: External/Internal (Off-Board)

SMI18-9-K-P6 Compliance

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

SMI18-9-K-P6 Features

  • Delivers 9V at 2.2A for 20W output.
  • Meets DoE Level VI and CoC Tier 2 efficiency.
  • Universal 90-264 VAC input range.
  • Includes OVP, OCP, and SCP protections.
  • Wall mount Class II form factor.

SMI18-9-K-P6 Applications

  • Powering commercial ITE and networking equipment.
  • Ideal for point-of-sale terminals and displays.
  • Used in test and measurement devices.
  • Suitable for 9V battery replacement applications.

SMI18-9-K-P6 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the SMI18-9-K-P6?

The input voltage range is 90 to 264 VAC at 47 to 63 Hz.

What is the form factor of the SMI18-9-K-P6?

It is a wall mount (Class II) adapter.

What is the operating temperature range?

0°C to 40°C.

What output connector does the adapter use?

It uses a barrel plug with 2.5mm ID x 5.5mm OD x 9.5mm, positive center polarity.

What efficiency standards does it meet?

It meets Level VI and CoC Tier 2 efficiency, with average efficiency of 86.5%.

Does the adapter include short circuit protection?

Yes, it has output shut-down with auto recovery upon fault removal.

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