RAC05-12DA AC/DC Converter Equivalent & Substitute Parts

Part Overview

The RAC05-12DA is an enclosed AC/DC converter from Recom Power's POWERLINE RAC05-A series, delivering 5W of power with dual 12V outputs rated at 200mA each. The unit accepts 90–264 VAC input and operates across a temperature range of -25°C to 70°C with derating. This component is classified as obsolete, necessitating identification of equivalent and substitute parts for ongoing system support and new procurement requirements.

Key Parameters

Parameter	Value
Manufacturer	Recom Power
Series	POWERLINE RAC05-A (5W)
Power Rating	5 W
Input Voltage	90–264 VAC
Output Voltage	12V (dual outputs)
Output Current (Max)	200mA per output
Number of Outputs	2
Mounting Type	Through Hole
Package Type	6-DIP Module
Operating Temperature	-25°C to 70°C (with derating)
Efficiency	67%
Approvals	CE, cULus
RoHS Status	ROHS3 Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the RAC05-12DA is determined by the following critical parameters:

Output Voltage and Configuration: The RAC05-12DA provides dual 12V outputs. Substitute parts must maintain this dual 12V output configuration to ensure electrical compatibility with existing circuit designs.

Output Current Capacity: The original part delivers 200mA per output. Substitute parts with equal or greater current capacity (200mA minimum per output) are electrically compatible and provide equivalent or enhanced performance.

Input Voltage Range: The RAC05-12DA accepts 90–264 VAC input. Substitute parts must support this input range or a superset thereof to function in the same power distribution environments.

Mounting and Package Type: Through-hole mounting is required for board-level integration. Substitute parts must maintain through-hole mounting to ensure mechanical compatibility with existing PCB layouts.

Thermal Operating Range: The -25°C to 70°C operating range defines the environmental conditions for which the original part is rated. Substitute parts with equal or extended temperature ranges maintain or exceed thermal performance requirements.

Regulatory Compliance: CE and cULus certifications are specified for the RAC05-12DA. Substitute parts must carry equivalent or superior regulatory approvals to meet safety and market requirements.

Parameter Comparison

Parameter	RAC05-12DA (Main)	RAC10-12DK/277 (Direct Substitute)	RAC05-12DC (Similar Substitute)
Manufacturer	Recom Power	Recom Power	Recom Power
Power Rating (W)	5	10	5
Input Voltage Range	90–264 VAC	80–305 VAC	90–264 VAC
Output Voltage	12V (dual)	12V (dual)	12V (dual)
Output Current (Max)	200mA per output	420mA per output	210mA per output
Number of Outputs	2	2	2
Mounting Type	Through Hole	Through Hole	Through Hole
Package Type	6-DIP Module	5-DIP Module	5-DIP Module
Operating Temperature	-25°C to 70°C	-40°C to 80°C	-25°C to 75°C
Efficiency	67%	82%	76%
Line Regulation	±0.3%	±0.5%	±0.3%
Load Regulation	±0.5%	±1%	±0.5%
Approvals	CE, cULus	CE, cURus	CE, cULus, EN
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Active	Not For New Designs

Engineering Selection Recommendations

RAC10-12DK/277 (Direct Substitute – Recommended for New Designs)

The RAC10-12DK/277 is the primary substitute for the obsolete RAC05-12DA. This part maintains dual 12V outputs with enhanced current capacity (420mA per output versus 200mA), providing headroom for circuit expansion. The input voltage range extends to 80–305 VAC, covering the original 90–264 VAC specification. Operating temperature extends to -40°C to 80°C, exceeding the original -25°C to 70°C range. Efficiency improves to 82% from 67%, reducing thermal dissipation. The RAC10-12DK/277 carries CE and cURus certifications, meeting regulatory requirements. Product status is active, ensuring long-term availability and support. Package type changes from 6-DIP to 5-DIP, requiring PCB layout verification for mechanical fit.

RAC05-12DC (Similar Substitute – For Existing Designs)

The RAC05-12DC provides equivalent 5W power and dual 12V outputs with marginally higher current capacity (210mA per output versus 200mA). Input voltage range remains 90–264 VAC, matching the original specification. Operating temperature extends to -25°C to 75°C. Efficiency improves to 76% from 67%. Regulatory approvals include CE, cULus, and EN 60950-1, exceeding the original certifications. Product status is "Not For New Designs," indicating this part is suitable for sustaining existing systems but not recommended for new development. Package type changes from 6-DIP to 5-DIP, requiring PCB layout verification.

Frequently Asked Questions (FAQ)

Q: Can the RAC10-12DK/277 directly replace the RAC05-12DA in existing designs?

A: Electrical compatibility is confirmed: both parts provide dual 12V outputs, and the RAC10-12DK/277 delivers higher current capacity (420mA versus 200mA per output). However, the package type changes from 6-DIP to 5-DIP, requiring verification that the PCB footprint accommodates the new module dimensions (52.5mm L × 27.4mm W × 23.5mm H versus 55.0mm L × 45.0mm W × 21.0mm H). Through-hole mounting is maintained in both parts.

Q: What is the difference between the RAC05-12DC and RAC10-12DK/277?

A: The RAC05-12DC maintains the original 5W power rating with 210mA per output current, while the RAC10-12DK/277 doubles power to 10W with 420mA per output. The RAC05-12DC is designated "Not For New Designs," making it suitable only for sustaining existing systems. The RAC10-12DK/277 is active and recommended for new applications. Both require PCB layout changes due to package type modification from 6-DIP to 5-DIP.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. The RAC05-12DA, RAC10-12DK/277, and RAC05-12DC are all ROHS3 compliant and REACH unaffected, meeting environmental and hazardous substance regulations.

Q: What regulatory approvals do the substitute parts carry?

A: The RAC10-12DK/277 carries CE and cURus certifications. The RAC05-12DC carries CE, cULus, and EN 60950-1 certifications. Both meet or exceed the original RAC05-12DA certifications (CE, cULus).

Q: How does the input voltage range differ among these parts?

A: The RAC05-12DA and RAC05-12DC both accept 90–264 VAC input. The RAC10-12DK/277 extends this range to 80–305 VAC, providing broader compatibility with global power distribution systems.

Q: What is the impact of package type change on PCB integration?

A: The original RAC05-12DA uses a 6-DIP module measuring 55.0mm × 45.0mm × 21.0mm. Both substitute parts use 5-DIP modules with different dimensions: the RAC10-12DK/277 measures 52.5mm × 27.4mm × 23.5mm, and the RAC05-12DC measures 55.0mm × 45.0mm × 21.0mm. PCB footprint and clearance verification is required before implementation.

Q: Which substitute part should be selected for new product designs?

A: The RAC10-12DK/277 is recommended for new designs. It carries active product status, extended operating temperature range (-40°C to 80°C), improved efficiency (82%), and higher current capacity (420mA per output). The RAC05-12DC is designated "Not For New Designs" and should be reserved for sustaining existing systems only.

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