Rubycon 2.5SW470M-ND Equivalent & Substitute Parts

Part Overview

The Rubycon 2.5SW470M-ND is a 470 µF, 2.5 V aluminum polymer surface mount capacitor in the 2917 (7343 Metric) package. This component is classified as Not For New Designs, indicating it has been superseded in the manufacturer's product line. Finding equivalent substitute parts is necessary for maintenance, repair, and legacy system support where this specific part number is no longer readily available or when design flexibility permits component substitution.

Substiute Parts

2.5SW470M-ND

RubyconIn Stock: 8872.5SW470M-ND Datasheet

Current PartRFQ

EEF-SX0E471E4

Panasonic Electronic ComponentsIn Stock: 48972EEF-SX0E471E4 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the Rubycon 2.5SW470M-ND is determined by strict equivalence across the following parameters:

• Capacitance value: 470 µF (exact match required)
• Voltage rating: 2.5 V (exact match required)
• Tolerance: ±20% (exact match required)
• Package type: 2917 (7343 Metric) (exact match required)
• Mounting type: Surface Mount (exact match required)
• Operating temperature range: -55°C to 105°C (minimum requirement)
• Lifetime rating: 2000 Hrs @ 105°C (minimum requirement)
• RoHS compliance: ROHS3 Compliant (required for regulatory alignment)

The Panasonic EEF-SX0E471E4 meets all these criteria and qualifies as a direct substitute. Differences in ESR (Equivalent Series Resistance) and physical height do not disqualify substitution when the electrical performance and thermal characteristics remain within acceptable operating parameters for the application.

Parameter Comparison

Engineering Selection Recommendations

The Panasonic EEF-SX0E471E4 is the qualified substitute for the Rubycon 2.5SW470M-ND based on the following engineering criteria:

Electrical equivalence is confirmed across all critical parameters: capacitance, voltage rating, tolerance, and thermal lifetime. Both components are ROHS3 compliant and operate across the identical temperature range. The Panasonic part carries Active product status, ensuring continued availability and supply chain stability compared to the Not For New Designs status of the Rubycon part.

The Panasonic substitute exhibits lower ESR (4.5 mOhm versus 9 mOhm), which represents an improvement in electrical performance and thermal characteristics. The reduced physical height (2.00 mm versus 2.90 mm) may provide additional clearance in space-constrained PCB layouts.

Selection of the Panasonic EEF-SX0E471E4 is appropriate for both legacy system maintenance and new design implementations where 470 µF, 2.5 V aluminum polymer capacitors in the 2917 package are specified.

Frequently Asked Questions (FAQ)

Q: Can the Panasonic EEF-SX0E471E4 be used as a direct replacement for the Rubycon 2.5SW470M-ND?

A: Yes. Both components share identical electrical specifications: 470 µF capacitance, 2.5 V voltage rating, ±20% tolerance, and 2000 Hrs @ 105°C lifetime. Both use the 2917 (7343 Metric) package and are surface mount components. The Panasonic part is electrically and mechanically compatible.

Q: What is the significance of the ESR difference between these parts?

A: The Panasonic substitute has lower ESR (4.5 mOhm versus 9 mOhm). Lower ESR reduces heat generation and improves transient response characteristics. This represents an improvement over the original Rubycon part and does not create compatibility issues.

Q: Will the height difference affect PCB assembly?

A: The Panasonic part is 0.90 mm shorter (2.00 mm versus 2.90 mm seated height). This difference provides additional clearance in most applications and does not create assembly or functional issues. Verify clearance in your specific PCB layout if height constraints exist.

Q: Are both parts RoHS compliant?

A: Yes. Both the Rubycon 2.5SW470M-ND and Panasonic EEF-SX0E471E4 are ROHS3 compliant, meeting current regulatory requirements for electronic component manufacturing and use.

Q: Why is the Rubycon part marked as Not For New Designs?

A: This designation indicates the Rubycon part has been superseded in the manufacturer's product line. The Panasonic EEF-SX0E471E4 is an Active product with ongoing manufacturer support and supply availability, making it the preferred choice for new designs and long-term system support.

Q: Are there any application restrictions for the Panasonic substitute?

A: No. The Panasonic EEF-SX0E471E4 is rated for General Purpose applications, identical to the original Rubycon part. It operates across the full -55°C to 105°C temperature range and maintains specified performance across all operating conditions.