Rubycon 4SLE68M1.4X7.3 Aluminum Polymer Capacitor Equivalent & Substitute Parts

Part Overview

The Rubycon 4SLE68M1.4X7.3 is a 68 µF, 4 V aluminum polymer capacitor in 2917 (7343 Metric) surface mount package. This component is classified as "Not For New Designs," indicating it has reached end-of-life status. Organizations using this part in active production or maintenance applications require qualified substitute components that maintain electrical and mechanical compatibility while meeting current availability and compliance requirements.

Substiute Parts

4SLE68M1.4X7.3

RubyconIn Stock: 8844SLE68M1.4X7.3 Datasheet

Current PartRFQ

EEF-CS0J680R

Panasonic Electronic ComponentsIn Stock: 14667EEF-CS0J680R Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for aluminum polymer capacitors is determined by the following criteria:

Mandatory Compatibility Parameters:

• Capacitance value: 68 µF (exact match required)
• Package type: 2917 (7343 Metric) (physical and land pattern compatibility)
• Mounting type: Surface Mount (assembly process compatibility)
• Tolerance: ±20% (electrical specification match)
• Operating temperature range: -55°C to 105°C minimum (thermal envelope)
• RoHS3 compliance (regulatory requirement)

Allowable Variation Parameters:

• Voltage rating: May be equal to or higher than 4 V (derating acceptable)
• ESR: May vary within polymer capacitor specifications
• Ripple current: May vary based on voltage rating and ESR characteristics
• Height: May vary within surface mount assembly constraints
• Lifetime rating: May be equal to or exceed 2000 Hrs @ 105°C

The Panasonic EEF-CS0J680R meets all mandatory compatibility parameters and qualifies as a direct substitute.

Parameter Comparison

Engineering Selection Recommendations

The Panasonic EEF-CS0J680R (SP-Cap CS series) is qualified as a direct substitute for the Rubycon 4SLE68M1.4X7.3. Selection rationale:

• Product Status: Panasonic component is Active, addressing the obsolescence status of the Rubycon part
• Regulatory Compliance: Both components are ROHS3 compliant and REACH unaffected, maintaining compliance posture
• Electrical Compatibility: The 6.3 V rating provides voltage margin above the 4 V application requirement, with identical capacitance and tolerance specifications
• Physical Compatibility: Identical package footprint (2917/7343 Metric) with lower seated height (1.20 mm vs. 1.40 mm), improving PCB assembly clearance
• Performance Enhancement: Higher ripple current rating (5.1 A vs. 3 A) and improved ESR characteristics support higher frequency applications
• Availability: Panasonic component maintains active production status with substantial inventory availability

Frequently Asked Questions (FAQ)

Q: Can the Panasonic EEF-CS0J680R be used in place of the Rubycon 4SLE68M1.4X7.3 without circuit modification?

A: Yes. Both components share identical capacitance (68 µF), tolerance (±20%), package (2917/7343 Metric), and operating temperature range (-55°C to 105°C). The Panasonic part's higher voltage rating (6.3 V vs. 4 V) is compatible with 4 V circuit applications. No circuit changes are required.

Q: What is the significance of the different ESR values (9 mOhm vs. 15 mOhm)?

A: ESR (Equivalent Series Resistance) affects ripple current handling and thermal performance. The Panasonic substitute has higher ESR but compensates with a higher ripple current rating (5.1 A vs. 3 A). For most general-purpose applications, this variation is acceptable. Applications with stringent ESR requirements should be evaluated against specific circuit performance criteria.

Q: Are there any PCB layout considerations when substituting these parts?

A: Both components use identical land patterns (2917/7343 Metric). The Panasonic part has a lower seated height (1.20 mm vs. 1.40 mm), which may improve clearance in space-constrained designs. No land pattern modifications are necessary.

Q: Do both components meet the same regulatory requirements?

A: Yes. Both the Rubycon 4SLE68M1.4X7.3 and Panasonic EEF-CS0J680R are ROHS3 compliant and REACH unaffected, meeting current regulatory standards for electronic components.

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

A: This designation indicates the component has reached end-of-life status and the manufacturer is discontinuing production. New designs should specify the Panasonic EEF-CS0J680R or equivalent active components. Existing designs using the Rubycon part should transition to qualified substitutes to ensure long-term supply chain continuity.