Equivalent & Substitute Parts for 2SWZ270M1.9X7.3

Part Overview

The 2SWZ270M1.9X7.3 is a 270 µF, 2 V aluminum polymer capacitor manufactured by Rubycon in the PC-CON and SWZ series. This component is rated for 2000 hours at 105°C with an ESR of 9 mOhm and is packaged in a 2917 (7343 Metric) surface mount form factor. The product status is listed as Not For New Designs, making identification of equivalent alternatives essential for ongoing production support and design continuity.

Substiute Parts

2SWZ270M1.9X7.3

RubyconIn Stock: 8402SWZ270M1.9X7.3 Datasheet

Current PartRFQ

EEF-SX0D271E4

Panasonic Electronic ComponentsIn Stock: 12785EEF-SX0D271E4 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 2SWZ270M1.9X7.3 is determined by the following critical parameters:

• Capacitance Value: 270 µF (exact match required)
• Voltage Rating: 2 V (exact match required)
• Package / Case: 2917 (7343 Metric) (exact match required)
• Mounting Type: Surface Mount (exact match required)
• Tolerance: ±20% (exact match required)
• Operating Temperature Range: -55°C ~ 105°C (exact match or better required)
• Lifetime Rating: 2000 Hrs @ 105°C (exact match or better required)
• RoHS Compliance: ROHS3 Compliant (exact match required)

The Panasonic EEF-SX0D271E4 meets all substitution criteria with identical electrical specifications and package dimensions, with the exception of improved ESR performance (4.5 mOhm versus 9 mOhm) and marginally increased height (2.00mm versus 1.90mm).

Parameter Comparison

Engineering Selection Recommendations

The EEF-SX0D271E4 from Panasonic is a direct functional equivalent to the 2SWZ270M1.9X7.3. Both components share identical electrical ratings, package dimensions, and compliance certifications. The Panasonic part carries Active product status, ensuring continued availability and supply chain support, whereas the Rubycon part is designated Not For New Designs.

The primary technical difference is ESR performance: the Panasonic substitute exhibits 4.5 mOhm ESR compared to 9 mOhm in the original part. This represents improved electrical performance with lower impedance characteristics. The height differential of 0.10mm (1.90mm to 2.00mm) is within typical PCB assembly tolerances and does not present mechanical constraints for standard surface mount applications.

Both parts maintain ROHS3 compliance and identical operating temperature specifications. Selection of the Panasonic EEF-SX0D271E4 is supported by active product status and superior ESR characteristics.

Frequently Asked Questions (FAQ)

Q: Can the EEF-SX0D271E4 be used as a direct replacement for the 2SWZ270M1.9X7.3?

A: Yes. Both components share identical capacitance (270 µF), voltage rating (2 V), tolerance (±20%), package type (2917 / 7343 Metric), and operating temperature range (-55°C ~ 105°C). The Panasonic part provides equivalent or superior performance with lower ESR.

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

A: ESR (Equivalent Series Resistance) affects impedance and heat dissipation characteristics. The Panasonic EEF-SX0D271E4 at 4.5 mOhm provides lower impedance than the Rubycon 2SWZ270M1.9X7.3 at 9 mOhm, resulting in reduced power loss and improved thermal performance in high-frequency applications.

Q: Does the 0.10mm height difference affect PCB assembly?

A: No. The height increase from 1.90mm to 2.00mm is negligible for standard surface mount assembly processes and does not present clearance or placement constraints in typical PCB designs.

Q: Are both parts RoHS compliant?

A: Yes. Both the 2SWZ270M1.9X7.3 and EEF-SX0D271E4 are ROHS3 compliant and REACH unaffected.

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

A: Product status designations reflect manufacturer lifecycle decisions. The Not For New Designs status indicates the Rubycon part is in end-of-life phase. The Panasonic EEF-SX0D271E4 maintains Active status, ensuring continued production and supply availability.

Q: What is the MSL rating and does it differ between parts?

A: The 2SWZ270M1.9X7.3 carries MSL 3 (168 Hours). MSL ratings specify moisture sensitivity levels for storage and handling. Verify the Panasonic part's MSL rating for your specific supply chain and storage conditions.