Recom Power RAC20-05DA Equivalent & Substitute Parts Reference

Part Overview

The RAC20-05DA is an enclosed AC/DC converter from Recom Power, offering two outputs of 5V at 2A each, rated for 20W total output power. This model is classified as obsolete, making it necessary for engineers to identify substitute or equivalent AC/DC converters with similar key performance characteristics. Finding alternative models ensures continued design support and maintenance for existing applications.

Key Parameters

Manufacturer Part Number	Type	Number of Outputs	Voltage - Input	Voltage - Output 1	Current - Output (Max)	Power (Watts)	Operating Temperature	Efficiency	Mounting Type	Package / Case	Size / Dimension	Approval Agency	Standard Number	Line Regulation	Load Regulation	RoHS Status	REACH Status	ECCN
RAC20-05DA	Enclosed	2	90 ~ 264 VAC	5V	2A, 2A	20 W	-25°C ~ 70°C (With Derating)	79%	Through Hole	8-DIP Module, 6 Leads	70.0mm x 48.0mm x 22.3mm	CE, cULus	60950-1	±0.5%	±3%	ROHS3 Compliant	REACH Unaffected	EAR99
KMD40-55	Enclosed	2	90 ~ 264 VAC, 100 ~ 375 VDC	5V	4A, 4A	40 W	-25°C ~ 70°C (With Derating)	79%	Through Hole	7-DIP Module, 5 Leads	89.0mm x 63.5mm x 27.0mm	CE, EN, IEC, UL	60601-1; 60950-1; 62368-1	0.5%	1%	RoHS Compliant	REACH Unaffected	EAR99

Substitute Part Grouping Explanation

Substitute AC/DC converter grouping is determined strictly by matching core electrical and mechanical parameters: output voltage, number of outputs, input voltage range, output current, mounting type, power rating, operating temperature, and regulatory compliance. Only parts listing identical or compatible characteristics in these fields are considered suitable substitutes.

Parameter Comparison

Part Number	Type	Number of Outputs	Voltage - Input	Voltage - Output 1	Current - Output (Max)	Power (Watts)	Operating Temperature	Efficiency	Mounting Type	RoHS Status	REACH Status	ECCN
RAC20-05DA	Enclosed	2	90 ~ 264 VAC	5V	2A, 2A	20 W	-25°C ~ 70°C (With Derating)	79%	Through Hole	ROHS3 Compliant	REACH Unaffected	EAR99
KMD40-55	Enclosed	2	90 ~ 264 VAC, 100 ~ 375 VDC	5V	4A, 4A	40 W	-25°C ~ 70°C (With Derating)	79%	Through Hole	RoHS Compliant	REACH Unaffected	EAR99

Engineering Selection Recommendations

The RAC20-05DA is marked obsolete and has RoHS3 and REACH compliance, as well as CE and cULus approval. The KMD40-55 is RoHS and REACH compliant, and carries CE, EN, IEC, and UL approvals. Both part numbers have the same efficiency and operating temperature range. All substitute selection is based exclusively on these product status and compliance parameters, alongside their matching regulatory certifications.

Frequently Asked Questions (FAQ)

Q1: What electrical characteristics are used to determine substitute parts for RAC20-05DA?
Substitute selection is determined by matching number of outputs, input voltage range, output voltage, output current, power rating, efficiency, and mounting type.

Q2: Are mechanical mounting considerations included when choosing a substitute?
Yes, mounting type and package/case are included to ensure compatibility.

Q3: How are compliance and certification parameters applied in substitution?
Parts must match RoHS and REACH status, as well as approval agency and relevant standards numbers, to be considered suitable substitutes.

Q4: How do differences in output current or wattage affect substitution?
Only the output voltage, number of outputs, and other explicitly stated electrical parameters are considered for interchange; wattage and current must meet or exceed requirements as listed.

Q5: Is additional technical validation required for substitute selection?
All substitute recommendations are strictly based on provided parameters, compliance, and certifications. No unlisted criteria are introduced.

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