RSS-2424/P DC DC Converter 24V 1W Equivalent & Substitute Parts

Part Overview

The RSS-2424/P is an isolated module DC DC converter manufactured by Recom Power, designed to convert input voltages in the 21.6V to 26.4V range to a regulated 24V output at 42mA maximum current. This 1W converter is classified as an Obsolete product, which necessitates identification of active equivalent alternatives for continued system support and procurement.

The RSS-2424/P belongs to the ECONOLINE RSS (1W) series and is intended for ITE (Commercial) applications. Its obsolete status requires engineers to identify functionally equivalent active components to maintain design continuity and ensure long-term component availability.

Substiute Parts

RSS-2424/P

Recom PowerIn Stock: 691RSS-2424/P Datasheet

Current PartRFQ

R1S-2424/P

Recom PowerIn Stock: 830R1S-2424/P Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the obsolete RSS-2424/P is determined by strict equivalence across the following critical electrical and mechanical parameters:

Electrical Equivalence Criteria:

• Input voltage range: 21.6V to 26.4V
• Output voltage: 24V
• Output current capacity: 42mA minimum
• Power rating: 1W
• Isolation voltage: 1 kV
• Single isolated output configuration
• Short Circuit Protection (SCP) feature

Mechanical Equivalence Criteria:

• Surface mount mounting type
• 8-SMD Module package with 5 leads
• Physical dimensions compatible with PCB layout

Compliance Equivalence Criteria:

• ROHS3 compliance
• Moisture Sensitivity Level 1 (Unlimited)
• REACH Unaffected status

The R1S-2424/P meets all electrical and mechanical substitution criteria. This part is manufactured by the same supplier (Recom Power) and maintains identical electrical specifications while offering an extended operating temperature range and active product status.

Parameter Comparison

Engineering Selection Recommendations

The R1S-2424/P is the direct substitute for the obsolete RSS-2424/P based on the following engineering criteria:

Product Status Justification: The RSS-2424/P is classified as Obsolete, creating supply chain risk and limiting procurement options. The R1S-2424/P maintains Active product status with Recom Power, ensuring continued availability and manufacturer support.

Electrical Compatibility: All critical electrical parameters are identical between the two parts: input voltage range (21.6V–26.4V), output voltage (24V), output current (42mA), power rating (1W), isolation voltage (1 kV), and protection features (SCP). Both parts deliver equivalent electrical performance in ITE (Commercial) applications.

Compliance and Certification: Both parts maintain ROHS3 compliance, Moisture Sensitivity Level 1 (Unlimited), and REACH Unaffected status. No compliance barriers exist for substitution.

Thermal Performance Enhancement: The R1S-2424/P extends the maximum operating temperature from 85°C to 100°C, providing improved thermal margin in applications operating near the upper temperature limit of the original RSS-2424/P.

Mechanical Compatibility: Both parts use identical Surface Mount mounting technology with 8-SMD Module, 5-lead packages. Minor dimensional variations (width: 8.2mm vs. 10.7mm; height: 7.3mm vs. 7.0mm) do not affect PCB layout compatibility for standard module footprints.

Packaging Consideration: The R1S-2424/P is supplied in Tube packaging, whereas the RSS-2424/P was supplied in bulk format. Procurement quantities and handling procedures may require adjustment based on packaging format availability.

Frequently Asked Questions (FAQ)

Q: Can the R1S-2424/P directly replace the RSS-2424/P in existing designs?

A: Yes. The R1S-2424/P is electrically and mechanically equivalent to the RSS-2424/P across all critical parameters: input voltage range (21.6V–26.4V), output voltage (24V), output current (42mA), power rating (1W), isolation voltage (1 kV), mounting type (Surface Mount), and package configuration (8-SMD Module, 5 Leads). No design modifications are required for substitution.

Q: What are the key differences between the RSS-2424/P and R1S-2424/P?

A: The primary differences are: (1) Product Status—RSS-2424/P is Obsolete while R1S-2424/P is Active; (2) Operating Temperature Maximum—RSS-2424/P operates to 85°C while R1S-2424/P operates to 100°C; (3) Physical Dimensions—minor width and height variations exist (RSS-2424/P: 12.8mm x 8.2mm x 7.3mm; R1S-2424/P: 12.8mm x 10.7mm x 7.0mm); (4) Packaging Format—RSS-2424/P supplied in bulk, R1S-2424/P supplied in Tube.

Q: Are there any compliance or certification differences?

A: No. Both parts maintain identical compliance status: ROHS3 Compliant, Moisture Sensitivity Level 1 (Unlimited), and REACH Unaffected. Substitution does not introduce compliance barriers.

Q: Will the dimensional differences affect PCB layout?

A: The dimensional variations are minor and do not affect standard module footprint compatibility. The length (12.8mm) and height (7.0mm vs. 7.3mm) remain consistent with typical PCB layout requirements. The width increase (8.2mm to 10.7mm) should be verified against specific PCB clearance constraints in high-density layouts.

Q: What is the advantage of the extended temperature range in the R1S-2424/P?

A: The R1S-2424/P extends the maximum operating temperature to 100°C compared to 85°C in the RSS-2424/P. This provides additional thermal margin for applications operating in elevated ambient conditions or with high internal heat dissipation, improving reliability and component lifespan.

Q: Is the R1S-2424/P the only substitute available?

A: Based on the provided data, the R1S-2424/P is the identified substitute that meets all electrical, mechanical, and compliance equivalence criteria for the obsolete RSS-2424/P.

Q: How does the packaging format change affect procurement?

A: The R1S-2424/P is supplied in Tube packaging rather than bulk format. This may affect minimum order quantities, handling procedures, and storage requirements. Procurement teams should verify packaging availability and adjust ordering practices accordingly.

Q: Are the efficiency ratings identical?

A: Yes. Both the RSS-2424/P and R1S-2424/P deliver 84% efficiency, ensuring equivalent power conversion performance and thermal characteristics in the application circuit.