RAC10-3.3SA Equivalent & Substitute Parts Reference

Part Overview

The RAC10-3.3SA by Recom Power is an enclosed AC/DC converter delivering a single output of 3.3V at 3A with a maximum power of 10W. Featuring a universal AC input range of 90–264 VAC, through hole mounting, and approved to CE and cULus standards, it is designed for ITE (Commercial) applications requiring SCP protection. This product is classified as obsolete, making it necessary to identify substitute parts with equivalent or closely matching electrical and mechanical parameters to ensure continued availability in end applications.

Key Parameters

Parameter	RAC10-3.3SA
Output Voltage	3.3V
Output Current (Max)	3A
Power (Watts)	10 W
Input Voltage Range	90 ~ 264 VAC
Number of Outputs	1
Mounting Type	Through Hole
Package / Case	6-DIP Module, 5 Leads
Size / Dimension	2.52" L x 1.77" W x 0.87" H
Approval Agency	CE, cULus
Efficiency	65%
RoHS Status	ROHS3 Compliant
Operating Temperature	-25°C ~ 70°C (With Derating)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution is determined strictly by the following allowed parameters:

Output Voltage
Output Current
Output Power
Input Voltage Range
Number of Outputs
Mounting Type
Package / Case
Size / Dimension
Approval Agency Certifications
Efficiency
RoHS Compliance
Operating Temperature Range

Only parts matching or within tolerance of these critical criteria are listed as valid substitutes.

Parameter Comparison

Parameter	RAC10-3.3SA	RAC10-3.3SK/277
Output Voltage	3.3V	3.3V
Output Current (Max)	3A	2.5A
Power (Watts)	10 W	8 W
Input Voltage Range	90 ~ 264 VAC	80 ~ 305 VAC
Number of Outputs	1	1
Mounting Type	Through Hole	Through Hole
Package / Case	6-DIP Module, 5 Leads	4-DIP Module
Size / Dimension	2.52" L x 1.77" W x 0.87" H	2.07" L x 1.08" W x 0.93" H
Approval Agency	CE, cULus	CE, cURus
Efficiency	65%	79%
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Operating Temperature	-25°C ~ 70°C (With Derating)	-40°C ~ 80°C (With Derating)
Product Status	Obsolete	Active

Engineering Selection Recommendations

RAC10-3.3SA is categorized as obsolete. Substitution options such as RAC10-3.3SK/277 are active, meet ROHS3 compliance, and have CE certification. Agency approvals should be verified for application-specific regulatory requirements. Substitute modules offer through hole mounting and are available in standard DIP module packages, supporting continued mechanical and regulatory fit in compatible designs.

Frequently Asked Questions (FAQ)

Q1: How is a substitute selected for an obsolete AC/DC converter like RAC10-3.3SA?
A1: Substitution is based strictly on matching output voltage, current rating, power, input voltage range, output quantity, mounting style, package type, size, agency certifications, efficiency, and compliance status.

Q2: Are differences in package pin count or dimension significant for substituting RAC10-3.3SA?
A2: Substitute parts must be evaluated within the constraints of the mounting type and mechanical package provided. Alternative case sizes or pin counts can affect physical compatibility.

Q3: Are approval agencies and RoHS status critical in the selection?
A3: Substitute components are listed only if they share equivalent or similar certification and compliance status, such as CE and RoHS3 compliance.

Q4: Is output power or current a limiting factor for substitution?
A4: Substitutes must meet or closely match the original device’s output power and current parameters to ensure system compatibility and safety.

Q5: Can a different operating temperature range affect substitution?
A5: Substitute parts must provide an operating temperature range equal to or exceeding that of the original to ensure reliable operation within system requirements.

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