EEU-ED2C331 Equivalent & Substitute Parts

Part Overview

The EEU-ED2C331 is a 330 µF, 160 V aluminum electrolytic capacitor in radial configuration manufactured by Panasonic Electronic Components. This component is rated for 10000 hours at 105°C and is designed for general-purpose applications requiring stable capacitance and ripple current handling. The part is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing design support and production continuity.

Substiute Parts

EEU-ED2C331

Panasonic Electronic ComponentsIn Stock: 1075EEU-ED2C331 Datasheet

Current PartRFQ

ECA-2CHG331

Panasonic Electronic ComponentsIn Stock: 859ECA-2CHG331 Datasheet

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EEU-EE2C331

Panasonic Electronic ComponentsIn Stock: 771EEU-EE2C331 Datasheet

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EKXG161ELL331MMN3S

Chemi-ConIn Stock: 3330EKXG161ELL331MMN3S Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the EEU-ED2C331 is determined by strict equivalence across the following parameters:

• Capacitance: 330 µF (exact match required)
• Voltage Rating: 160 V (exact match required)
• Tolerance: ±20% (exact match required)
• Polarization: Polar (exact match required)
• Mounting Type: Through Hole (exact match required)
• Package Type: Radial, Can (exact match required)
• Lead Spacing: 0.295" (7.50mm) (exact match required)
• Diameter: 0.709" (18.00mm) (exact match required)

Substitute parts are grouped into two categories based on product status and thermal performance:

Category A - Active Status with Enhanced Specifications: EKXG161ELL331MMN3S (Chemi-Con KXG series) maintains all core electrical parameters while offering active product status and extended operating temperature range.

Category B - Obsolete Status with Equivalent Thermal Performance: EEU-EE2C331 (Panasonic EE-A series) provides direct electrical and thermal equivalence with identical 10000-hour lifetime rating.

Category C - Obsolete Status with Reduced Thermal Performance: ECA-2CHG331 (Panasonic NHG-A series) meets all core electrical parameters but operates at reduced thermal lifetime (2000 hours vs. 10000 hours at 105°C).

Parameter Comparison

Engineering Selection Recommendations

For New Designs and Long-Term Production: EKXG161ELL331MMN3S is the preferred substitute. This Chemi-Con KXG series component maintains active product status, ensuring continued availability and manufacturing support. It meets all electrical specifications of the EEU-ED2C331, provides equivalent 10000-hour thermal lifetime, and extends the operating temperature range to -40°C ~ 105°C. All components are ROHS3 compliant.

For Direct Replacement in Existing Designs: EEU-EE2C331 provides electrical and thermal equivalence as a Panasonic alternative. Both components share identical capacitance, voltage rating, tolerance, and 10000-hour lifetime specifications. Height variation (1.319" vs. 1.240") must be verified against PCB layout constraints. This option maintains manufacturer consistency within the Panasonic portfolio.

For Cost-Sensitive Applications with Thermal Margin: ECA-2CHG331 is electrically compatible but operates at reduced thermal lifetime (2000 hours vs. 10000 hours at 105°C). This substitute is suitable only for applications where thermal stress is minimal and design margins accommodate the reduced lifetime specification. Height and ripple current specifications differ and must be validated against circuit requirements.

Frequently Asked Questions (FAQ)

Q: Can EEU-ED2C331 be replaced with any 330 µF, 160 V capacitor? A: No. Substitution requires exact matching of capacitance, voltage rating, tolerance, polarization, mounting type, package configuration, and lead spacing. Height and ripple current specifications must also be verified against PCB layout and circuit requirements.

Q: What is the primary difference between EEU-EE2C331 and ECA-2CHG331? A: Both are Panasonic alternatives with identical electrical ratings. The critical difference is thermal lifetime: EEU-EE2C331 is rated for 10000 hours at 105°C, while ECA-2CHG331 is rated for 2000 hours at 105°C. EEU-EE2C331 is the preferred substitute for equivalent thermal performance.

Q: Why is EKXG161ELL331MMN3S recommended for new designs? A: EKXG161ELL331MMN3S maintains active product status, ensuring long-term availability and manufacturing continuity. It meets all electrical specifications, provides equivalent thermal performance, and extends the operating temperature range. Active status eliminates obsolescence risk.

Q: Does height variation between substitutes affect PCB compatibility? A: Yes. EEU-ED2C331 and EKXG161ELL331MMN3S are 1.240" (31.50mm) tall, while EEU-EE2C331 and ECA-2CHG331 are 1.319" (34.60mm) tall. PCB layout, clearance requirements, and component placement must be verified before substitution.

Q: Are all substitute parts ROHS3 compliant? A: Yes. EEU-ED2C331, EEU-EE2C331, ECA-2CHG331, and EKXG161ELL331MMN3S are all ROHS3 compliant and REACH unaffected.

Q: What ripple current specifications should I consider for substitution? A: Ripple current capacity varies among substitutes. EKXG161ELL331MMN3S offers the highest ripple current ratings (1.39 A @ 120 Hz, 3.1275 A @ 100 kHz), while ECA-2CHG331 offers the lowest (705 mA @ 120 Hz, 1.058 A @ 100 kHz). Circuit ripple current requirements must not exceed the substitute component's rated capacity.