Equivalent & Substitute Parts for 2.5SW180M2.7X7.3

Part Overview

The 2.5SW180M2.7X7.3 is a 180 µF aluminum polymer capacitor manufactured by Rubycon, rated at 2.5 V with a 2917 (7343 Metric) surface mount 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 This component is classified as not for new designs, indicating it has been superseded in the manufacturer's product line.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 applications requiring continued supply, maintenance of existing designs, or when the original part becomes unavailable. Substitute parts must maintain functional equivalence in capacitance, package dimensions, and operating characteristics while meeting current design standards.

Substiute Parts

2.5SW180M2.7X7.3

RubyconIn Stock: 12042.5SW180M2.7X7.3 Datasheet

Current PartRFQ

EEF-CX0J181R

Panasonic Electronic ComponentsIn Stock: 9665EEF-CX0J181R Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 2.5SW180M2.7X7.3 is determined by the following critical parameters:

Mandatory Matching Parameters:

• Capacitance: 180 µF (exact match required)
• Tolerance: ±20% (exact match required)
• Package: 2917 (7343 Metric) (exact match required)
• Mounting Type: Surface Mount (exact match required)
• Type: Aluminum Polymer (exact match required)

Allowable Variation Parameters:

• Voltage Rating: May be equal to or greater than 2.5 V (higher voltage ratings provide backward compatibility)
• ESR: May be equal to or lower than 9 mOhm (lower ESR is acceptable and often beneficial)
• Height: May vary within package specification limits
• Lifetime: May be equal to or greater than 2000 Hrs @ 105°C

The substitute part EEF-CX0J181R meets all mandatory matching criteria and provides allowable variations in voltage rating (6.3 V vs. 2.5 V) and ESR (15 mOhm vs. 9 mOhm).

Parameter Comparison

Engineering Selection Recommendations

The EEF-CX0J181R from Panasonic Electronic Components is a qualified substitute for the 2.5SW180M2.7X7.3. Selection is based on the following factors:

Product Status: The original 2.5SW180M2.7X7.3 is marked as not for new designs, while the EEF-CX0J181R is active in the manufacturer's current product line, ensuring ongoing availability and support.

Compliance: Both parts are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements.

Electrical Compatibility: The substitute part maintains identical capacitance and tolerance specifications. The higher voltage rating (6.3 V vs. 2.5 V) provides margin in the application circuit. The ESR difference (15 mOhm vs. 9 mOhm) is within acceptable tolerance for general purpose applications.

Physical Compatibility: Both parts use the identical 2917 (7343 Metric) package with matching land pattern dimensions. The lower seated height of the substitute part (1.90 mm vs. 2.70 mm) provides additional clearance margin in PCB assembly.

Frequently Asked Questions (FAQ)

Q: Can the EEF-CX0J181R directly replace the 2.5SW180M2.7X7.3 on the PCB?

A: Yes. Both parts use the identical 2917 (7343 Metric) package with matching land pattern dimensions (0.287" L x 0.169" W). The lower height of the substitute part ensures compatibility with existing PCB layouts.

Q: Why is the voltage rating higher on the substitute part?

A: The EEF-CX0J181R is rated at 6.3 V compared to the original 2.5 V rating. A higher voltage rating is acceptable in substitution because it provides additional safety margin. The capacitor will operate reliably at the original 2.5 V design voltage.

Q: Does the higher ESR of the substitute part affect performance?

A: The EEF-CX0J181R has an ESR of 15 mOhm compared to 9 mOhm in the original part. For general purpose applications, this difference is acceptable. Applications with strict ripple current or thermal requirements should verify performance through circuit simulation or testing.

Q: Are both parts RoHS compliant?

A: Yes. Both the 2.5SW180M2.7X7.3 and EEF-CX0J181R are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards.

Q: What is the availability difference between these parts?

A: The original 2.5SW180M2.7X7.3 is marked as not for new designs, indicating limited future availability. The EEF-CX0J181R is an active product with current manufacturing support and higher inventory levels, ensuring reliable long-term supply.