LGJ2D331MELB Equivalent & Substitute Parts

Part Overview

The LGJ2D331MELB is a 330 µF, 200 V aluminum electrolytic capacitor in radial, can snap-in package manufactured by Nichicon. This component is rated for 3000 hours at 105°C and operates across the temperature range of -40°C to 105°C. The part is Active status and ROHS3 compliant, designed for general purpose applications requiring polarized capacitive energy storage and filtering.

Substitute parts are necessary when the primary part becomes unavailable, when inventory constraints require alternative sourcing, or when design flexibility permits selection from qualified equivalent components that maintain identical electrical and mechanical specifications.

Key Parameters

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

Substitute Part Grouping Explanation

Substitution eligibility for the LGJ2D331MELB is determined by strict equivalence across the following critical parameters:

Capacitance: 330 µF (exact match required)
Voltage Rating: 200 V (exact match required)
Tolerance: ±20% (exact match required)
Lifetime: 3000 Hrs @ 105°C (exact match required)
Operating Temperature: -40°C ~ 105°C (exact match required)
Polarization: Polar (exact match required)
Lead Spacing: 0.394" (10.00 mm) (exact match required)
Package Type: Radial, Can - Snap-In (exact match required)
Mounting Type: Through Hole (exact match required)

All substitute parts listed meet these core electrical and mechanical requirements. Variations in physical dimensions (can diameter and height) and ripple current ratings are permitted within the snap-in package family, as these do not affect functional equivalence in general purpose applications.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ 105°C	Operating Temp	Lead Spacing	Can Diameter	Height (Max)	Ripple Current @ 120 Hz	Ripple Current @ 50 kHz	RoHS Status	Inventory
LGJ2D331MELB	Nichicon	330 µF	200 V	±20%	3000 Hrs	-40°C ~ 105°C	0.394" (10.00 mm)	1.181" (30.00 mm)	0.866" (22.00 mm)	1.1 A	1.65 A	ROHS3	689 Pcs
LGN2D331MELY30	Nichicon	330 µF	200 V	±20%	3000 Hrs	-40°C ~ 105°C	0.394" (10.00 mm)	0.787" (20.00 mm)	1.260" (32.00 mm)	1.2 A	1.8 A	ROHS3	940 Pcs
LGN2D331MELZ25	Nichicon	330 µF	200 V	±20%	3000 Hrs	-40°C ~ 105°C	0.394" (10.00 mm)	0.866" (22.00 mm)	1.063" (27.00 mm)	1.2 A	1.8 A	ROHS3	1081 Pcs
LGW2D331MELZ25	Nichicon	330 µF	200 V	±20%	3000 Hrs	-40°C ~ 105°C	0.394" (10.00 mm)	0.866" (22.00 mm)	0.984" (25.00 mm)	1.97 A	2.955 A	ROHS3	273782 Pcs
381LX331M200J012	Cornell Dubilier Electronics (CDE)	330 µF	200 V	±20%	3000 Hrs	-40°C ~ 105°C	0.394" (10.00 mm)	0.984" (25.00 mm)	1.063" (27.00 mm)	1.2 A	1.7 A	ROHS3	5118 Pcs

Engineering Selection Recommendations

All listed substitute parts maintain Active product status and ROHS3 compliance, qualifying them for direct substitution in applications where the LGJ2D331MELB is specified. Selection among equivalents should be based on:

Physical space constraints: Can diameter and height variations exist across the substitute family. Verify PCB layout accommodates the selected part's dimensions.
Ripple current requirements: The LGW2D331MELZ25 offers elevated ripple current performance (1.97 A @ 120 Hz, 2.955 A @ 50 kHz) compared to the primary part (1.1 A @ 120 Hz, 1.65 A @ 50 kHz). This part is suitable for applications with higher AC current stress.
Inventory availability: LGW2D331MELZ25 maintains the highest stock level (273,782 pcs), supporting rapid procurement.
Manufacturer preference: Nichicon LGN and LGW series parts maintain consistent performance within the snap-in family. The CDE 381LX series provides cross-manufacturer equivalence.

Frequently Asked Questions (FAQ)

Q: Can I substitute LGJ2D331MELB with any of the listed parts without circuit redesign?

A: Yes. All listed parts are electrically and mechanically equivalent across the critical parameters: 330 µF capacitance, 200 V rating, ±20% tolerance, 3000 hour lifetime at 105°C, and identical lead spacing. Physical dimensions vary, so verify PCB layout clearance before assembly.

Q: What is the difference between the Nichicon LGJ, LGN, and LGW series?

A: These represent different product lines within Nichicon's aluminum electrolytic capacitor portfolio. All three series meet the specified electrical requirements for this application. The LGW series offers higher ripple current capability. Series designation does not affect functional equivalence when electrical and mechanical parameters match.

Q: Is the CDE 381LX331M200J012 a direct replacement?

A: Yes. The CDE part meets all electrical specifications and lead spacing requirements. It differs in can diameter (0.984" vs. 1.181" for the primary part) and ripple current rating (1.2 A @ 120 Hz vs. 1.1 A). Verify PCB layout accommodation for the dimensional difference.

Q: Why do ripple current ratings vary among equivalent parts?

A: Ripple current capability depends on internal construction and thermal design within the snap-in package envelope. Higher ripple current ratings indicate enhanced performance in high-frequency filtering applications. All parts meet the 3000 hour lifetime specification at 105°C regardless of ripple current rating.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed parts carry ROHS3 compliance certification, meeting regulatory requirements for restricted substance elimination.

Q: What should I consider when selecting between multiple equivalent parts?

A: Prioritize based on: (1) PCB layout compatibility with can diameter and height; (2) ripple current requirements for your specific circuit; (3) inventory availability and lead time; (4) manufacturer preference if specified in design documentation.

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