Nichicon LGG2W331MELA50 330µF 450V Aluminum Electrolytic Capacitor Equivalent & Substitute Parts

Part Overview

The Nichicon LGG2W331MELA50 is a 330µF, 450V aluminum electrolytic capacitor in radial, can snap-in package configuration. This component is classified as Active product status and is designed for general purpose applications requiring through-hole mounting. The LGG series offers a 2000-hour lifetime rating at 105°C operating temperature. Equivalent and substitute parts are identified based on matching electrical specifications (capacitance, voltage rating, tolerance, and ripple current performance) and mechanical compatibility (lead spacing, mounting type, and package configuration).

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	450 V
Tolerance	±20%
Polarization	Polar
Mounting Type	Through Hole
Package Type	Radial, Can - Snap-In
Lead Spacing	0.394" (10.00mm)
Operating Temperature Range	-25°C ~ 105°C
Lifetime @ 105°C	2000 Hrs
Ripple Current @ 120 Hz	1.2 A
Ripple Current @ 50 kHz	1.716 A
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts are classified into three categories based on electrical and mechanical compatibility with the LGG2W331MELA50:

Category 1: Nichicon LGG Series Variants — Parts LGG2W331MELB35 and LGG2W331MELC30 maintain identical electrical specifications (330µF, 450V, ±20%, 2000 Hrs @ 105°C) and lead spacing (10.00mm). These differ only in physical dimensions (diameter and height), which affects board layout footprint but not electrical function. All three parts are ROHS3 compliant and rated for general purpose applications.

Category 2: Nichicon Extended Lifetime Series — Parts LGN2W331MELB40, LGU2W331MELC, and LGW2W331MELC35 share identical electrical ratings (330µF, 450V, ±20%) but feature extended lifetime ratings (3000 Hrs @ 105°C versus 2000 Hrs). These parts maintain 10.00mm lead spacing and through-hole snap-in mounting. Higher ripple current ratings indicate improved thermal performance. All are ROHS3 compliant.

Category 3: Cross-Manufacturer Equivalents — Parts from Rubycon (450MXG330MEFCSN25X50), EPCOS-TDK (B43640A5337M000), and Cornell Dubilier Electronics (381LQ331M450A032, 381LR331M450A042, 381LR331M450K052) provide electrical equivalence at 330µF, 450V, ±20% with 10.00mm lead spacing and snap-in package configuration. These parts maintain ROHS3 compliance and general purpose application suitability. Lifetime ratings vary between 2000 and 3000 hours at 105°C.

Substitution Logic: All listed parts maintain the critical parameters of 330µF capacitance, 450V voltage rating, ±20% tolerance, 10.00mm lead spacing, polar configuration, and through-hole snap-in mounting. Variations in physical dimensions (diameter/height), lifetime ratings, and ripple current performance do not prevent functional substitution provided the board layout accommodates the physical footprint.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Series	Capacitance	Voltage	Tolerance	Lifetime @ 105°C	Lead Spacing	Size Dia (mm)	Height (mm)	Ripple @ 120Hz	Ripple @ 50kHz	RoHS
LGG2W331MELA50	Nichicon	LGG	330 µF	450 V	±20%	2000 Hrs	10.00mm	25.00	52.00	1.2 A	1.716 A	ROHS3
LGG2W331MELB35	Nichicon	LGG	330 µF	450 V	±20%	2000 Hrs	10.00mm	30.00	37.00	1.2 A	1.716 A	ROHS3
LGG2W331MELC30	Nichicon	LGG	330 µF	450 V	±20%	2000 Hrs	10.00mm	35.00	32.00	1.2 A	1.716 A	ROHS3
LGN2W331MELB40	Nichicon	LGN	330 µF	450 V	±20%	3000 Hrs	10.00mm	30.00	42.00	1.38 A	1.9734 A	ROHS3
LGU2W331MELC	Nichicon	LGU	330 µF	450 V	±20%	3000 Hrs	10.00mm	35.00	40.00	1.45 A	2.0735 A	ROHS3
LGW2W331MELC35	Nichicon	LGW	330 µF	450 V	±20%	3000 Hrs	10.00mm	35.00	35.00	2.2 A	3.146 A	ROHS3
450MXG330MEFCSN25X50	Rubycon	MXG	330 µF	450 V	±20%	3000 Hrs	10.00mm	25.00	52.00	1.82 A	2.548 A	ROHS3
B43640A5337M000	EPCOS - TDK Electronics	B43640	330 µF	450 V	±20%	2000 Hrs	10.00mm	25.00	52.00	1.54 A	—	ROHS3
381LQ331M450A032	Cornell Dubilier Electronics	381LQ	330 µF	450 V	±20%	2000 Hrs	10.00mm	35.00	37.00	1.38 A	1.93 A	ROHS3
381LR331M450A042	Cornell Dubilier Electronics	381LR	330 µF	450 V	±20%	3000 Hrs	10.00mm	35.00	42.00	1.85 A	2.64 A	ROHS3
381LR331M450K052	Cornell Dubilier Electronics	381LR	330 µF	450 V	±20%	3000 Hrs	10.00mm	30.00	52.00	1.85 A	2.64 A	ROHS3

Engineering Selection Recommendations

All listed substitute parts maintain Active product status and ROHS3 compliance, confirming current manufacturing availability and regulatory conformance. Selection between equivalent parts depends on board layout constraints and thermal performance requirements.

For identical footprint replacement: LGG2W331MELA50 (25.00mm diameter, 52.00mm height) can be directly replaced with 450MXG330MEFCSN25X50 (Rubycon) or B43640A5337M000 (EPCOS-TDK), which share the same physical dimensions while maintaining 330µF, 450V, ±20% electrical specifications.

For extended thermal performance: LGN2W331MELB40, LGU2W331MELC, LGW2W331MELC35, 381LR331M450A042, and 381LR331M450K052 provide 3000-hour lifetime ratings at 105°C with higher ripple current capabilities, suitable for applications requiring improved thermal stability. These parts require verification of available board space due to increased diameter or height dimensions.

For compact board layouts: LGG2W331MELC30 (35.00mm diameter, 32.00mm height) and LGG2W331MELB35 (30.00mm diameter, 37.00mm height) offer reduced height profiles while maintaining 2000-hour lifetime and identical electrical performance.

Frequently Asked Questions (FAQ)

Q: Can LGG2W331MELA50 be replaced with any of the listed substitute parts?

A: Yes, all listed parts are electrically equivalent at 330µF, 450V, ±20% tolerance with 10.00mm lead spacing and snap-in through-hole mounting. Physical dimensions vary; verify board layout accommodates the substitute part's diameter and height before installation.

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

A: LGG series provides 2000-hour lifetime at 105°C. LGN, LGU, and LGW series extend lifetime to 3000 hours at 105°C with progressively higher ripple current ratings. All maintain identical 330µF, 450V, ±20% electrical specifications and 10.00mm lead spacing.

Q: Are cross-manufacturer parts (Rubycon, EPCOS-TDK, Cornell Dubilier) fully compatible?

A: Cross-manufacturer parts maintain electrical equivalence (330µF, 450V, ±20%, 10.00mm lead spacing, snap-in package) and ROHS3 compliance. Physical dimensions and ripple current performance vary; confirm board layout compatibility and thermal requirements before substitution.

Q: What does the 2000 Hrs @ 105°C or 3000 Hrs @ 105°C rating indicate?

A: This specifies the capacitor's expected operational lifetime under continuous operation at maximum rated voltage and 105°C ambient temperature. Extended lifetime ratings (3000 Hrs) indicate improved thermal stability and longer service life in high-temperature applications.

Q: Can I use a substitute part with higher ripple current rating?

A: Yes. Higher ripple current ratings indicate improved thermal performance and are compatible with the original application. The substitute part will operate within the same electrical parameters while providing additional thermal margin.

Q: Are all listed parts ROHS3 compliant?

A: Yes, all substitute parts listed carry ROHS3 compliance certification, confirming conformance to hazardous substance restrictions and current regulatory requirements.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message