Nichicon LGU2D471MELY 470µF 200V Aluminum Electrolytic Capacitor - Equivalent & Substitute Parts

Part Overview

The Nichicon LGU2D471MELY is a 470µF, 200V 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 3000 hours of operational life at 105°C. Substitute parts become necessary when the primary part number reaches end-of-life status, inventory constraints occur, or design flexibility is required across manufacturing locations. All substitute parts listed maintain electrical equivalence within the specified tolerance and voltage parameters.

Key Parameters

Parameter	Value	Unit
Capacitance	470	µF
Tolerance	±20%	—
Voltage - Rated	200	V
Lifetime @ Temperature	3000 Hrs @ 105°C	—
Operating Temperature Range	-40°C ~ 105°C	—
Polarization	Polar	—
Mounting Type	Through Hole	—
Package / Case	Radial, Can - Snap-In	—
Lead Spacing	0.394" (10.00mm)	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict adherence to the following parameters:

Mandatory Equivalence Criteria:

Capacitance: 470µF (exact match required)
Tolerance: ±20% (exact match required)
Voltage Rating: 200V (exact match required)
Polarization: Polar (exact match required)
Mounting Type: Through Hole (exact match required)
Package Type: Radial, Can - Snap-In (exact match required)
Lead Spacing: 0.394" (10.00mm) (exact match required)
Operating Temperature Range: -40°C ~ 105°C (exact match required)
RoHS Status: ROHS3 Compliant (exact match required)

Allowable Variation Parameters:

Physical dimensions (diameter and height) may vary within mechanical envelope constraints
Ripple current ratings may vary
Lifetime specifications may vary (minimum 2000 Hrs @ 105°C acceptable)
ESR values may vary or be unspecified

All substitute parts listed meet these mandatory criteria and are therefore electrically and mechanically interchangeable with the LGU2D471MELY in standard circuit applications.

Parameter Comparison

Part Number	Manufacturer	Series	Capacitance	Voltage	Tolerance	Lifetime @ 105°C	Size Dia (mm)	Height (mm)	Ripple Current @ 120Hz	Ripple Current @ 50kHz	Inventory
LGU2D471MELY	Nichicon	LGU	470µF	200V	±20%	3000 Hrs	20.00	45.00	1.45 A	2.175 A	950 Pcs
LGN2D471MELY35	Nichicon	LGN	470µF	200V	±20%	3000 Hrs	20.00	37.00	1.48 A	2.22 A	1077 Pcs
LGN2D471MELZ30	Nichicon	LGN	470µF	200V	±20%	3000 Hrs	22.00	32.00	1.48 A	2.22 A	1237 Pcs
LGU2D471MELA	Nichicon	LGU	470µF	200V	±20%	3000 Hrs	25.00	30.00	1.5 A	2.25 A	1156 Pcs
LGU2D471MELB	Nichicon	LGU	470µF	200V	±20%	3000 Hrs	30.00	25.00	1.5 A	2.25 A	913 Pcs
LGU2D471MELZ	Nichicon	LGU	470µF	200V	±20%	3000 Hrs	22.00	35.00	1.5 A	2.25 A	72121 Pcs
LGW2D471MELA25	Nichicon	LGW	470µF	200V	±20%	3000 Hrs	25.00	25.00	2.17 A	3.255 A	1464 Pcs
LGW2D471MELZ30	Nichicon	LGW	470µF	200V	±20%	3000 Hrs	22.00	30.00	2.17 A	3.255 A	528374 Pcs
200MXG470MEFCSN20X35	Rubycon	MXG	470µF	200V	±20%	3000 Hrs	20.00	37.00	1.76 A	2.64 A	1214 Pcs
381LQ471M200H022	Cornell Dubilier Electronics (CDE)	381LQ	470µF	200V	±20%	2000 Hrs	22.00	32.00	1.45 A	2.03 A	7415 Pcs
381LR471M200H032	Cornell Dubilier Electronics (CDE)	381LR	470µF	200V	±20%	3000 Hrs	22.00	37.00	1.85 A	2.64 A	3989 Pcs

Engineering Selection Recommendations

Nichicon LGU Series (Primary Substitutes): LGU2D471MELZ, LGU2D471MELA, and LGU2D471MELB are direct Nichicon alternatives within the same LGU series. All maintain 3000-hour lifetime at 105°C and ROHS3 compliance. Selection among these variants depends on available PCB space, as physical dimensions vary while electrical parameters remain equivalent. LGU2D471MELZ offers the highest inventory availability (72,121 pcs) and represents the optimal choice for supply chain continuity.

Nichicon LGN Series (Compact Alternatives): LGN2D471MELY35 and LGN2D471MELZ30 provide reduced height profiles compared to the LGU2D471MELY, suitable for space-constrained applications. Both maintain full electrical equivalence and 3000-hour lifetime specifications. The LGN series demonstrates slightly improved ripple current performance (1.48 A @ 120 Hz vs. 1.45 A).

Nichicon LGW Series (Enhanced Ripple Current): LGW2D471MELA25 and LGW2D471MELZ30 offer elevated ripple current ratings (2.17 A @ 120 Hz, 3.255 A @ 50 kHz) compared to the base LGU2D471MELY. These variants are suitable for applications requiring higher AC current handling while maintaining identical DC electrical specifications. LGW2D471MELZ30 provides exceptional inventory depth (528,374 pcs).

Rubycon 200MXG470MEFCSN20X35 (Cross-Manufacturer Equivalent): This Rubycon part maintains full electrical equivalence with 3000-hour lifetime and ROHS3 compliance. Physical dimensions match the LGU2D471MELY (20mm diameter, 37mm height). Selection of this part introduces cross-manufacturer sourcing flexibility. MSL rating of 1 (Unlimited) indicates no moisture sensitivity constraints.

Cornell Dubilier Electronics (CDE) 381 Series (Extended Availability): 381LQ471M200H022 and 381LR471M200H032 provide alternative sourcing from a third manufacturer. The 381LR variant matches the 3000-hour lifetime specification of the primary part. The 381LQ variant operates at 2000 hours @ 105°C, representing a reduced lifetime option. Both parts maintain ROHS3 compliance and are suitable for general-purpose applications where manufacturer diversity is required.

Frequently Asked Questions (FAQ)

Q: Can I substitute LGU2D471MELZ for LGU2D471MELY without circuit modification?

A: Yes. Both parts are electrically identical with 470µF capacitance, ±20% tolerance, 200V rating, and 3000-hour lifetime at 105°C. Physical dimensions differ (22mm diameter, 35mm height vs. 20mm diameter, 45mm height), but this does not affect electrical performance. Verify PCB footprint and mounting clearance accommodate the substitute geometry.

Q: What is the difference between the LGU and LGW series?

A: The LGW series provides higher ripple current capability (2.17 A @ 120 Hz vs. 1.5 A for LGU). Both series maintain identical capacitance, voltage, tolerance, and lifetime specifications. Select LGW variants for applications with elevated AC current requirements.

Q: Is the Rubycon 200MXG470MEFCSN20X35 fully compatible with the Nichicon LGU2D471MELY?

A: Yes. Both parts meet all mandatory equivalence criteria: 470µF, ±20% tolerance, 200V rating, 3000-hour lifetime, ROHS3 compliance, and identical lead spacing. Physical dimensions are identical (20mm diameter, 37mm height). Cross-manufacturer substitution is electrically and mechanically valid.

Q: Why do some substitute parts have different physical dimensions?

A: Aluminum electrolytic capacitors with identical electrical specifications can be manufactured in different physical form factors. Variations in diameter and height do not affect electrical performance but may impact PCB layout. Verify mechanical fit within your application's mounting envelope before selection.

Q: Can I use the CDE 381LQ471M200H022 as a direct replacement?

A: Electrical substitution is valid for general-purpose applications. The 381LQ variant operates at 2000 hours @ 105°C compared to the LGU2D471MELY's 3000-hour specification. For applications requiring extended operational life at elevated temperature, the 381LR471M200H032 (3000 hours) is the preferred CDE alternative.

Q: What does ROHS3 compliance mean for this component?

A: ROHS3 compliance indicates the part meets Restriction of Hazardous Substances Directive requirements, restricting lead, cadmium, mercury, hexavalent chromium, and specified brominated flame retardants. All listed substitute parts maintain ROHS3 compliance, ensuring regulatory equivalence.

Q: Are there inventory considerations when selecting a substitute?

A: Yes. Inventory levels vary significantly across substitute options. LGW2D471MELZ30 offers the highest availability (528,374 pcs), while LGU2D471MELZ provides substantial stock (72,121 pcs). For time-sensitive applications, prioritize parts with higher inventory depth to ensure supply continuity.

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