LGU2D222MELC Equivalent & Substitute Parts

Part Overview

The LGU2D222MELC is a 2200 µF, 200 V aluminum electrolytic capacitor manufactured by Nichicon in the LGU series. This radial, can-style snap-in component is rated for 3000 hours at 105°C and is designed for general-purpose applications requiring high-capacitance energy storage in through-hole configurations. The part is Active status and ROHS3 compliant. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and design continuity when the primary part becomes unavailable or when alternative performance characteristics are acceptable within application requirements.

Key Parameters

Parameter	Value
Capacitance	2200 µF
Voltage Rating	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 Type	Radial, Can - Snap-In
Mounting Type	Through Hole
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the LGU2D222MELC is determined by strict equivalence in the following parameters: capacitance (2200 µF), voltage rating (200 V), tolerance (±20%), polarization (polar), lead spacing (10.00 mm), package type (radial, can - snap-in), and mounting type (through hole). Parts are grouped into two categories:

Direct Substitutes maintain all critical electrical and mechanical parameters, including 3000-hour lifetime at 105°C. These parts are mechanically and electrically interchangeable with the LGU2D222MELC.

Similar Substitutes maintain capacitance, voltage, tolerance, polarization, lead spacing, and package type but may differ in physical dimensions (diameter and height), lifetime rating, ripple current specifications, or ESR characteristics. These parts are functionally compatible but require verification of physical fit and thermal performance in the target application.

Parameter Comparison

Part Number	Manufacturer	Series	Capacitance	Voltage	Tolerance	Lifetime @ 105°C	Diameter	Height (Max)	Lead Spacing	Package Type	RoHS Status
LGU2D222MELC	Nichicon	LGU	2200 µF	200 V	±20%	3000 Hrs	1.378" (35.00 mm)	1.969" (50.00 mm)	0.394" (10.00 mm)	Radial, Can - Snap-In	ROHS3
LGN2D222MELC45	Nichicon	LGN	2200 µF	200 V	±20%	3000 Hrs	1.378" (35.00 mm)	1.850" (47.00 mm)	0.394" (10.00 mm)	Radial, Can - Snap-In	ROHS3
LGW2D222MELC45	Nichicon	LGW	2200 µF	200 V	±20%	3000 Hrs	1.378" (35.00 mm)	1.772" (45.00 mm)	0.394" (10.00 mm)	Radial, Can - Snap-In	ROHS3
LGG2D222MELB50	Nichicon	LGG	2200 µF	200 V	±20%	2000 Hrs	1.181" (30.00 mm)	2.047" (52.00 mm)	0.394" (10.00 mm)	Radial, Can - Snap-In	ROHS3
381LQ222M200A452	Cornell Dubilier Electronics (CDE)	381LQ	2200 µF	200 V	±20%	2000 Hrs	1.378" (35.00 mm)	1.850" (47.00 mm)	0.394" (10.00 mm)	Radial, Can - Snap-In	ROHS3
381LQ222M200K052	Cornell Dubilier Electronics (CDE)	381LQ	2200 µF	200 V	±20%	2000 Hrs	1.181" (30.00 mm)	2.047" (52.00 mm)	0.394" (10.00 mm)	Radial, Can - Snap-In	ROHS3
381LR222M200A052	Cornell Dubilier Electronics (CDE)	381LR	2200 µF	200 V	±20%	3000 Hrs	1.378" (35.00 mm)	2.047" (52.00 mm)	0.394" (10.00 mm)	Radial, Can - Snap-In	ROHS3
381LX222M200A052	Cornell Dubilier Electronics (CDE)	381LX	2200 µF	200 V	±20%	3000 Hrs	1.378" (35.00 mm)	2.047" (52.00 mm)	0.394" (10.00 mm)	Radial, Can - Snap-In	ROHS3
383LX222M200A052	Cornell Dubilier Electronics (CDE)	383LX	2200 µF	200 V	±20%	3000 Hrs	1.378" (35.00 mm)	2.047" (52.00 mm)	0.394" (10.00 mm)	Radial, Can - Snap-In - 4 Lead	ROHS3

Engineering Selection Recommendations

Direct Substitutes (Preferred for Drop-In Replacement):

LGN2D222MELC45 and LGW2D222MELC45 are direct Nichicon alternatives with identical electrical specifications (2200 µF, 200 V, ±20%, 3000 Hrs @ 105°C) and compatible mechanical dimensions. Both are ROHS3 compliant and Active status. LGW2D222MELC45 offers reduced height (1.772" vs. 1.969"), which may provide space advantages in compact designs. LGN2D222MELC45 provides intermediate height (1.850") with equivalent performance.

Extended Lifetime Alternatives (3000 Hrs @ 105°C):

381LR222M200A052 and 381LX222M200A052 (Cornell Dubilier Electronics) maintain the 3000-hour lifetime rating with identical electrical parameters. Both are ROHS3 compliant and Active status. These parts feature increased height (2.047") compared to the LGU2D222MELC and are suitable for applications where thermal longevity is critical.

Reduced Lifetime Alternatives (2000 Hrs @ 105°C):

LGG2D222MELB50, 381LQ222M200A452, and 381LQ222M200K052 are rated for 2000 hours at 105°C. These parts are ROHS3 compliant and Active status but are suitable only for applications where reduced thermal endurance is acceptable. LGG2D222MELB50 features reduced diameter (1.181" vs. 1.378"), while 381LQ222M200A452 maintains standard diameter with reduced height.

Special Configuration:

383LX222M200A052 is a 4-lead variant with identical electrical and primary mechanical specifications (3000 Hrs @ 105°C, ROHS3 compliant). This configuration is suitable only for applications designed to accommodate 4-lead snap-in packages.

Frequently Asked Questions (FAQ)

Q: Can LGN2D222MELC45 or LGW2D222MELC45 be used as direct replacements for LGU2D222MELC?

A: Yes. Both parts maintain identical capacitance (2200 µF), voltage rating (200 V), tolerance (±20%), lifetime (3000 Hrs @ 105°C), operating temperature range (-40°C ~ 105°C), lead spacing (10.00 mm), and package type (radial, can - snap-in). Physical height differences (LGW2D222MELC45 at 1.772" and LGN2D222MELC45 at 1.850" versus LGU2D222MELC at 1.969") must be verified for PCB layout compatibility.

Q: What is the difference between 3000-hour and 2000-hour lifetime ratings?

A: Lifetime rating indicates the expected operational duration at maximum rated temperature (105°C) before capacitance degradation exceeds tolerance limits. The 3000-hour rating (LGU2D222MELC, LGN2D222MELC45, LGW2D222MELC45, 381LR222M200A052, 381LX222M200A052, 383LX222M200A052) provides extended thermal endurance compared to the 2000-hour rating (LGG2D222MELB50, 381LQ222M200A452, 381LQ222M200K052). Selection depends on application thermal profile and required service life.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant, matching the compliance status of the LGU2D222MELC.

Q: What is the significance of lead spacing and diameter differences?

A: Lead spacing (10.00 mm) is identical across all parts and ensures PCB footprint compatibility. Diameter variations (1.181" for LGG2D222MELB50 and 381LQ222M200K052 versus 1.378" for other parts) affect radial clearance on the PCB. Height variations affect vertical clearance. Both must be verified against PCB layout constraints and enclosure dimensions before substitution.

Q: Can 383LX222M200A052 (4-lead variant) be used in place of the standard 2-lead LGU2D222MELC?

A: No. The 4-lead configuration requires a different PCB footprint and mounting structure. This part is suitable only for applications specifically designed for 4-lead snap-in packages.

Q: What is the difference between Nichicon and Cornell Dubilier Electronics (CDE) alternatives?

A: Both manufacturers produce equivalent 2200 µF, 200 V aluminum electrolytic capacitors with identical electrical specifications and ROHS3 compliance. Selection between manufacturers depends on supply chain availability, procurement agreements, and application-specific qualification requirements. All listed parts are Active status.

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