Equivalent & Substitute Parts for LGN2D331MELY30

Part Overview

The LGN2D331MELY30 is a 330 µF, 200 V aluminum electrolytic capacitor manufactured by Nichicon in the LGN series. This radial, can-style snap-in capacitor is rated for 3000 hours at 105°C and is designed for general-purpose applications requiring stable capacitance and ripple current handling. The part is currently active in production with ROHS3 compliance. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained within the allowed parameter tolerances for this capacitor category.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	200 V
Tolerance	±20%
Lifetime @ Temperature	3000 Hrs @ 105°C
Operating Temperature Range	-40°C ~ 105°C
Mounting Type	Through Hole
Package Type	Radial, Can - Snap-In
Lead Spacing	0.394" (10.00mm)
Polarization	Polar
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the LGN2D331MELY30 are qualified based on the following criteria:

Electrical Equivalence: All substitute parts maintain identical capacitance (330 µF), voltage rating (200 V), tolerance (±20%), and thermal lifetime (3000 Hrs @ 105°C).

Mechanical Compatibility: All substitutes use through-hole mounting with radial, can-style snap-in packaging and 0.394" (10.00mm) lead spacing, ensuring direct board-level compatibility.

Environmental Compliance: All parts are ROHS3 compliant and REACH unaffected, meeting regulatory requirements for the LGN2D331MELY30 application.

Allowable Variations: Dimensional differences in can diameter and height are permitted within the snap-in package category, as these do not affect electrical function or lead spacing. Ripple current ratings may vary between substitutes due to different series designs (LGN, LGW, 381LX), but all meet or exceed the minimum ripple current requirements for general-purpose applications.

Parameter Comparison

Parameter	LGN2D331MELY30	LGN2D331MELZ25	LGW2D331MELZ25	381LX331M200J012
Manufacturer	Nichicon	Nichicon	Nichicon	Cornell Dubilier Electronics
Series	LGN	LGN	LGW	381LX
Capacitance	330 µF	330 µF	330 µF	330 µF
Voltage Rating	200 V	200 V	200 V	200 V
Tolerance	±20%	±20%	±20%	±20%
Lifetime @ 105°C	3000 Hrs	3000 Hrs	3000 Hrs	3000 Hrs
Operating Temperature	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C
Ripple Current @ 120 Hz	1.2 A	1.2 A	1.97 A	1.2 A
Ripple Current @ High Frequency	1.8 A @ 50 kHz	1.8 A @ 50 kHz	2.955 A @ 50 kHz	1.7 A @ 20 kHz
Lead Spacing	0.394" (10.00mm)	0.394" (10.00mm)	0.394" (10.00mm)	0.394" (10.00mm)
Can Diameter	0.787" (20.00mm)	0.866" (22.00mm)	0.866" (22.00mm)	0.984" (25.00mm)
Height (Seated Max)	1.260" (32.00mm)	1.063" (27.00mm)	0.984" (25.00mm)	1.063" (27.00mm)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Package Type	Radial, Can - Snap-In	Radial, Can - Snap-In	Radial, Can - Snap-In	Radial, Can - Snap-In
Product Status	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

All four parts listed are active products with ROHS3 compliance and REACH unaffected status, making them suitable for new designs and production environments requiring regulatory adherence.

LGN2D331MELZ25 (Nichicon LGN series) is dimensionally smaller than the main part (0.866" diameter, 1.063" height) while maintaining identical electrical specifications. This substitute is appropriate for space-constrained applications where the reduced footprint does not conflict with board layout requirements.

LGW2D331MELZ25 (Nichicon LGW series) offers enhanced ripple current capability (1.97 A @ 120 Hz, 2.955 A @ 50 kHz) compared to the main part, making it suitable for applications with higher ripple current demands. The compact height (0.984") provides additional space savings.

381LX331M200J012 (Cornell Dubilier Electronics 381LX series) is a cross-manufacturer substitute with slightly larger dimensions (0.984" diameter, 1.063" height). This part maintains full electrical equivalence and is appropriate for applications requiring multi-source qualification or where CDE components are preferred for supply chain diversity.

Frequently Asked Questions (FAQ)

Q: Can LGN2D331MELZ25 be used as a direct replacement for LGN2D331MELY30?

A: Yes. Both parts are Nichicon LGN series capacitors with identical electrical specifications (330 µF, 200 V, ±20%, 3000 Hrs @ 105°C) and lead spacing (10.00mm). The LGN2D331MELZ25 has a smaller can diameter (22.00mm vs. 20.00mm) and reduced height (27.00mm vs. 32.00mm), which may require board layout verification to ensure clearance compatibility.

Q: What is the difference between LGW2D331MELZ25 and the main part?

A: The LGW2D331MELZ25 is a Nichicon LGW series capacitor with superior ripple current ratings (1.97 A @ 120 Hz and 2.955 A @ 50 kHz versus 1.2 A and 1.8 A respectively). All other electrical parameters are identical. The LGW series is recommended for applications with elevated ripple current requirements.

Q: Is 381LX331M200J012 compatible with the LGN2D331MELY30 footprint?

A: Yes. The 381LX331M200J012 maintains the same lead spacing (10.00mm) and snap-in package type. However, it has a larger can diameter (25.00mm) and identical height (27.00mm) compared to the main part. Board layout verification is required to confirm clearance around the larger diameter.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant and REACH unaffected, meeting the same regulatory requirements as the LGN2D331MELY30.

Q: Can I use these substitutes interchangeably in production?

A: Electrical interchangeability is confirmed for all listed parts. However, mechanical fit must be verified for each application due to dimensional variations in can diameter and height. Board layout, clearance to adjacent components, and snap-in fixture compatibility should be assessed before production implementation.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message