LGU2Z471MELY Equivalent & Substitute Parts

Part Overview

The LGU2Z471MELY is a 470 µF, 180 V aluminum electrolytic capacitor manufactured by Nichicon in the LGU series. This radial, can-style snap-in capacitor is rated for 3000 hours at 105°C and is designed for general-purpose applications requiring through-hole mounting. The part is currently active and in stock with 900 units available.

Equivalent and substitute parts are necessary when the primary part becomes unavailable, when design requirements shift to higher voltage ratings, or when alternative mechanical configurations better suit specific PCB layouts and assembly processes.

Key Parameters

Parameter	Value
Capacitance	470 µF
Voltage Rating	180 V
Tolerance	±20%
Lifetime @ Temperature	3000 Hrs @ 105°C
Operating Temperature Range	-40°C ~ 105°C
Lead Spacing	0.394" (10.00 mm)
Diameter	0.787" (20.00 mm)
Mounting Type	Through Hole
Package Type	Radial, Can - Snap-In
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the LGU2Z471MELY is determined by the following criteria:

Primary Substitution Criteria:

Capacitance value: 470 µF (fixed requirement)
Tolerance: ±20% (fixed requirement)
Polarization: Polar (fixed requirement)
Mounting type: Through Hole (fixed requirement)
Package style: Radial, Can - Snap-In (fixed requirement)
Lead spacing: 0.394" (10.00 mm) (fixed requirement)
Operating temperature range: -40°C ~ 105°C (fixed requirement)
Lifetime rating: 3000 Hrs @ 105°C (fixed requirement)

Allowable Variation Parameters:

Voltage rating: May be equal or higher than 180 V
Physical diameter: May vary within mechanical constraints
Physical height: May vary within mechanical constraints
Ripple current specifications: May vary with voltage and size changes

Substitutes are grouped into two categories: direct equivalents (same voltage rating) and upgrades (higher voltage rating with identical or superior electrical performance).

Parameter Comparison

Part Number	Manufacturer	Series	Capacitance	Voltage	Tolerance	Lifetime	Diameter	Height (Max)	Lead Spacing	Ripple Current @ 120 Hz	Ripple Current @ 50 kHz	Inventory
LGU2Z471MELY	Nichicon	LGU	470 µF	180 V	±20%	3000 Hrs @ 105°C	0.787" (20.00 mm)	1.575" (40.00 mm)	0.394" (10.00 mm)	1.4 A @ 120 Hz	2.1 A @ 50 kHz	900 Pcs
LGN2D471MELY35	Nichicon	LGN	470 µF	200 V	±20%	3000 Hrs @ 105°C	0.787" (20.00 mm)	1.457" (37.00 mm)	0.394" (10.00 mm)	1.48 A @ 120 Hz	2.22 A @ 50 kHz	1077 Pcs
LGN2Z471MELZ30	Nichicon	LGN	470 µF	180 V	±20%	3000 Hrs @ 105°C	0.866" (22.00 mm)	1.260" (32.00 mm)	0.394" (10.00 mm)	1.38 A @ 120 Hz	2.07 A @ 50 kHz	1007 Pcs
LGU2D471MELY	Nichicon	LGU	470 µF	200 V	±20%	3000 Hrs @ 105°C	0.787" (20.00 mm)	1.772" (45.00 mm)	0.394" (10.00 mm)	1.45 A @ 120 Hz	2.175 A @ 50 kHz	950 Pcs
LGU2Z471MELZ	Nichicon	LGU	470 µF	180 V	±20%	3000 Hrs @ 105°C	0.866" (22.00 mm)	1.378" (35.00 mm)	0.394" (10.00 mm)	1.5 A @ 120 Hz	2.25 A @ 50 kHz	966 Pcs

Engineering Selection Recommendations

Direct Equivalent (Same Voltage Rating - 180 V):

LGU2Z471MELZ and LGN2Z471MELZ30 are direct equivalents to the LGU2Z471MELY. Both maintain the 180 V voltage rating, 470 µF capacitance, and ±20% tolerance. These parts differ only in physical dimensions and ripple current handling. LGU2Z471MELZ increases diameter to 0.866" and height to 1.378", while LGN2Z471MELZ30 increases diameter to 0.866" and reduces height to 1.260". Selection between these depends on available PCB space and thermal management requirements.

Voltage Upgrade Options (200 V Rating):

LGN2D471MELY35 and LGU2D471MELY provide 200 V voltage ratings while maintaining 470 µF capacitance and ±20% tolerance. These upgrades are suitable when circuit requirements demand higher voltage headroom or when operating margins must be increased. LGN2D471MELY35 maintains the 0.787" diameter of the original part with reduced height of 1.457". LGU2D471MELY maintains the 0.787" diameter but increases height to 1.772".

All substitute parts are ROHS3 compliant, REACH unaffected, and maintain the same operating temperature range and lifetime rating as the original part. Selection should be based on PCB layout constraints and voltage requirement compatibility.

Frequently Asked Questions (FAQ)

Q: Can I use a 200 V rated capacitor in place of a 180 V rated capacitor?

A: Yes. A higher voltage rating provides additional safety margin and is electrically compatible in circuits designed for 180 V operation. The 200 V rated substitutes (LGN2D471MELY35 and LGU2D471MELY) are direct functional replacements.

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

A: Both are Nichicon aluminum electrolytic capacitors with identical electrical specifications for equivalent voltage ratings. The series designation reflects internal design variations. Both series meet the same compliance standards and performance requirements.

Q: Do all substitute parts have the same lead spacing?

A: Yes. All substitute parts maintain 0.394" (10.00 mm) lead spacing, ensuring PCB footprint compatibility without modification.

Q: How do physical dimensions affect part selection?

A: Physical dimensions (diameter and height) determine whether a substitute part fits within available PCB space. Verify clearance for the selected substitute before assembly. Larger diameter or height may require layout adjustment.

Q: Are all substitute parts in stock?

A: Inventory availability varies. LGN2D471MELY35 has the highest inventory at 1077 units. Verify current stock status before finalizing procurement decisions.

Q: Do substitute parts maintain the same thermal performance?

A: All substitute parts maintain the 3000 hours @ 105°C lifetime rating and -40°C ~ 105°C operating temperature range. Ripple current specifications vary slightly with physical size and voltage rating, affecting thermal dissipation characteristics.

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