RAC3.5-12SK/277 The RECOM Power RAC3.5-12SK/277 is a 3.5W AC/DC converter with a 12V output voltage and a wide input range of 85-305V AC. It offers high efficiency and a broad operating temperature range.
Mfr Part #:

RAC3.5-12SK/277

Mfr Name: Recom Power
Recom Power
The RECOM Power RAC3.5-12SK/277 is a 3.5W AC/DC converter with a 12V output voltage and a wide input range of 85-305V AC. It offers high efficiency and a broad operating temperature range.
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RAC3.5-12SK/277 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Approval Agency
Current
Efficiency
Height
Length
Mounting Type
No Load Power Consumption
Number of Outputs
Operating Temperature
Package / Case
Power (Watts)
Type
Voltage
Width

RAC3.5-12SK/277 Description

Short technical summary and product information.

The RECOM Power RAC3.5-12SK/277 is a versatile 3.5-watt AC/DC power supply module designed for enhanced mains input conditions, operating from 85VAC to 305VAC. It features a single 12VDC output with a current rating of 291mA, providing a total power of 3.5W.

 

This converter boasts a high efficiency of 83% and operates across an extended temperature range of -40°C to +90°C. It is designed for global applications, including industrial automation, IoT, and household use, with international safety certifications. The module is protected against overvoltage and overcurrent and offers EMC class B emissions compliance without external components.

 

Packaged in a 9-DIP module with through-hole mounting, the RAC3.5-12SK/277 is suitable for various PCB applications. Its compact dimensions (31.7mm x 26.7mm x 21.8mm) make it a convenient solution for space-constrained designs.

RAC3.5-12SK/277 Quick Information

Product Type: AC/DC Converter
Series: RAC3.5-K/277
Canonical Name: Recom Power RAC3.5-12SK/277 AC/DC Converter
Subcategory: AC/DC Converters

RAC3.5-12SK/277 Compliance

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

RAC3.5-12SK/277 Features

  • Wide input range 85-305V AC.
  • High efficiency of 83% typical.
  • Wide operating temperature range -40°C to +90°C.
  • 3.5W single output power.
  • Overvoltage and overcurrent protected.

RAC3.5-12SK/277 Applications

  • Suitable for industrial automation.
  • Designed for IoT applications.
  • Used in household appliances.
  • Supports smart building systems.
  • Compliant with ITE standards.

RAC3.5-12SK/277 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the RAC3.5-12SK/277?

85-305 VAC (also 120-430 VDC).

What is the output voltage?

12 VDC.

What is the typical efficiency?

83%.

What is the hold-up time?

Minimum 20 ms at 115VAC, 25 ms at 230VAC, 90 ms at 277VAC.

What is the operating temperature range?

-40°C to +90°C (with derating).

What is the package type?

9-DIP Module, 4 Leads, Through Hole.

What are typical applications?

Household appliances, ITE, automation, Industry 4.0, IoT, and smart buildings.

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