EEF-UE0D331CE Equivalent & Substitute Parts

Part Overview

The EEF-UE0D331CE is a 330 µF, 2 V aluminum polymer surface mount capacitor manufactured by Panasonic Electronic Components in the 2917 (7343 Metric) package. This component is classified as obsolete, which necessitates identification of active equivalent parts for ongoing design requirements and production continuity. The part is rated for 1000 hours at 105°C and operates across a temperature range of -40°C to 105°C, making it suitable for general-purpose applications requiring compact form factors and low equivalent series resistance characteristics inherent to polymer capacitor technology.

Substiute Parts

EEF-UE0D331CE

Panasonic Electronic ComponentsIn Stock: 1072EEF-UE0D331CE Datasheet

Current PartRFQ

EEF-CX0D331R

Panasonic Electronic ComponentsIn Stock: 7311EEF-CX0D331R Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the EEF-UE0D331CE is determined by strict equivalence across the following critical parameters:

• Capacitance Value: 330 µF (exact match required)
• Voltage Rating: 2 V (exact match required)
• Tolerance: ±20% (exact match required)
• Package / Case: 2917 (7343 Metric) (exact match required for PCB compatibility)
• Mounting Type: Surface Mount (exact match required)
• Dielectric Type: Aluminum Polymer (exact match required)

The substitute part EEF-CX0D331R meets all mandatory equivalence criteria. While the substitute exhibits improved performance characteristics (lower ESR, extended lifetime, wider operating temperature range), these enhancements do not disqualify it as a direct functional replacement. The substitute maintains identical footprint dimensions and electrical ratings, ensuring pin-for-pin and land-pattern compatibility.

Parameter Comparison

Engineering Selection Recommendations

The EEF-CX0D331R is the direct equivalent substitute for the obsolete EEF-UE0D331CE. Selection of the substitute part is justified on the following engineering grounds:

Product Status: The EEF-CX0D331R maintains active production status with Panasonic Electronic Components, ensuring long-term availability and supply chain continuity compared to the obsolete EEF-UE0D331CE.

Regulatory Compliance: The EEF-CX0D331R is certified ROHS3 Compliant and REACH Unaffected, meeting current environmental and regulatory requirements for electronic component procurement in regulated markets.

Electrical Equivalence: Both parts share identical capacitance (330 µF), voltage rating (2 V), tolerance (±20%), and dielectric type (Aluminum Polymer), ensuring functional interchangeability in circuit applications.

Physical Compatibility: Both parts utilize the 2917 (7343 Metric) package with identical land pattern dimensions (0.287" L x 0.169" W / 7.30mm x 4.30mm), confirming PCB footprint compatibility without layout modifications.

Performance Enhancement: The substitute part offers improved thermal lifetime (2000 Hrs @ 105°C versus 1000 Hrs @ 105°C) and extended lower operating temperature limit (-55°C versus -40°C), providing design margin for demanding thermal environments.

Frequently Asked Questions (FAQ)

Q: Can the EEF-CX0D331R be used as a direct replacement for the EEF-UE0D331CE without PCB modifications?

A: Yes. Both parts share identical package designation (2917 / 7343 Metric), land pattern dimensions (7.30mm x 4.30mm), and electrical ratings (330 µF, 2 V, ±20%). No PCB layout changes are required for substitution.

Q: What is the primary reason for substituting the EEF-UE0D331CE?

A: The EEF-UE0D331CE is classified as obsolete. The EEF-CX0D331R is the active equivalent part from Panasonic Electronic Components, ensuring continued availability and supply chain support.

Q: Are there differences in physical height between these parts?

A: Yes. The EEF-UE0D331CE has a maximum seated height of 0.169" (4.30mm), while the EEF-CX0D331R has a maximum seated height of 0.075" (1.90mm). The substitute part is physically lower, which may provide additional clearance in space-constrained applications. Both parts fit the same footprint.

Q: Does the EEF-CX0D331R meet current environmental regulations?

A: Yes. The EEF-CX0D331R is ROHS3 Compliant and REACH Unaffected, meeting current environmental and regulatory requirements for electronic component procurement.

Q: What is the difference in thermal lifetime between these parts?

A: The EEF-UE0D331CE is rated for 1000 hours at 105°C, while the EEF-CX0D331R is rated for 2000 hours at 105°C. The substitute part offers double the thermal lifetime, providing improved reliability in high-temperature applications.

Q: Are both parts available from the same manufacturer?

A: Yes. Both the EEF-UE0D331CE and EEF-CX0D331R are manufactured by Panasonic Electronic Components. The substitute part is currently in active production.