LGN2C331MELY25 Equivalent & Substitute Parts

Part Overview

The LGN2C331MELY25 is a 330 µF, 160 V aluminum electrolytic capacitor manufactured by Nichicon in the LGN series. This radial, can-style snap-in capacitor is designed for general-purpose applications requiring stable capacitance performance across extended operating temperatures (-40°C to 105°C) with a rated lifetime of 3000 hours at 105°C. The part is currently active in production with full RoHS3 compliance. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained within the allowed parameter tolerances for this capacitor category.

Substiute Parts

LGN2C331MELY25

NichiconIn Stock: 1061LGN2C331MELY25 Datasheet

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LGU2C331MELY

NichiconIn Stock: 1071LGU2C331MELY Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the LGN2C331MELY25 is determined by strict equivalence across the following critical parameters:

• Electrical Equivalence: Capacitance value (330 µF), tolerance (±20%), and rated voltage (160 V) must be identical
• Thermal Performance: Lifetime rating (3000 Hrs @ 105°C) and operating temperature range (-40°C ~ 105°C) must match
• Mechanical Compatibility: Package type (Radial, Can - Snap-In), lead spacing (10.00mm), and case diameter (20.00mm) must be identical to ensure PCB fit and snap-in mounting compatibility
• Compliance: RoHS3 compliance status must be maintained

The LGU2C331MELY qualifies as a direct substitute based on these criteria. Both parts share identical electrical specifications, thermal ratings, and mechanical mounting characteristics. Variations in height and ripple current ratings remain within acceptable substitution parameters for this capacitor category.

Parameter Comparison

Engineering Selection Recommendations

Both the LGN2C331MELY25 and LGU2C331MELY are active production parts with full RoHS3 compliance and REACH unaffected status. Selection between these parts should be based on PCB layout constraints:

• LGN2C331MELY25: Use when vertical clearance is limited to 27.00mm maximum
• LGU2C331MELY: Use when vertical clearance permits up to 30.00mm, offering marginally higher ripple current handling

Both parts maintain identical electrical performance and thermal ratings. The height difference reflects different internal construction within the same case diameter and lead spacing, with no impact on electrical substitutability for general-purpose applications.

Frequently Asked Questions (FAQ)

Q: Can LGU2C331MELY replace LGN2C331MELY25 on existing PCBs?

A: Yes, provided the PCB layout accommodates the increased height of 30.00mm versus 27.00mm. Both parts share identical lead spacing (10.00mm), case diameter (20.00mm), and snap-in mounting mechanism.

Q: Are the electrical specifications identical between these parts?

A: Yes. Capacitance (330 µF), tolerance (±20%), rated voltage (160 V), lifetime (3000 Hrs @ 105°C), and operating temperature range (-40°C ~ 105°C) are identical. Ripple current ratings differ marginally (1.17 A vs 1.2 A @ 120 Hz; 1.755 A vs 1.8 A @ 50 kHz) and remain within acceptable substitution parameters.

Q: What is the significance of the series designation (LGN vs LGU)?

A: Series designation indicates different internal construction and performance characteristics within Nichicon's aluminum electrolytic capacitor portfolio. Both LGN and LGU series meet the specified electrical and thermal requirements for this 330 µF, 160 V application.

Q: Are both parts compliant with current regulatory requirements?

A: Yes. Both LGN2C331MELY25 and LGU2C331MELY are RoHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards.

Q: What factors should determine which substitute to select?

A: Primary selection criteria are PCB vertical clearance availability and ripple current requirements. If clearance is constrained to 27.00mm or less, use LGN2C331MELY25. If space permits and slightly higher ripple current handling is beneficial, LGU2C331MELY is suitable. Both parts are electrically and thermally equivalent for general-purpose applications.