LLS2G221MELZ Equivalent & Substitute Parts

Part Overview

The LLS2G221MELZ is a 220 µF, 400 V aluminum electrolytic capacitor manufactured by Nichicon in a radial, can snap-in package. This component is rated for 3000 hours at 85°C and is designed for general-purpose applications requiring high-voltage energy storage and filtering. The part is Active status and ROHS3 compliant.

Equivalent and substitute parts are necessary when the primary part is unavailable, when design requirements demand extended operating temperature ranges, improved reliability metrics, or when alternative manufacturers' components meet identical electrical and mechanical specifications within the allowed tolerance parameters.

Key Parameters

Parameter	Value
Capacitance	220 µF
Tolerance	±20%
Voltage - Rated	400 V
Lifetime @ Temperature	3000 Hrs @ 85°C
Operating Temperature Range	-25°C ~ 85°C
Lead Spacing	0.394" (10.00 mm)
Package / Case	Radial, Can - Snap-In
Mounting Type	Through Hole
Polarization	Polar

Substitute Part Grouping Explanation

Substitution eligibility for the LLS2G221MELZ is determined by strict adherence to the following electrical and mechanical parameters:

Critical Parameters (Must Match):

Capacitance: 220 µF
Tolerance: ±20%
Voltage Rating: 400 V
Lead Spacing: 0.394" (10.00 mm)
Package Type: Radial, Can - Snap-In
Mounting Type: Through Hole
Polarization: Polar

Allowable Variations:

Lifetime @ Temperature: Equal to or greater than 3000 Hrs @ 85°C
Operating Temperature Range: Equal to or greater than -25°C ~ 85°C
Physical Dimensions (Diameter and Height): Variations permitted within snap-in package compatibility
ESR and Ripple Current: Variations permitted provided electrical performance meets application requirements
Manufacturer: Any manufacturer producing components meeting above criteria

Substitute parts are grouped into two categories: Upgrade (enhanced performance characteristics) and Similar (equivalent performance with allowable parameter variations).

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ Temp.	Operating Temp. Range	Diameter	Height	Lead Spacing	ESR
LLS2G221MELZ	Nichicon	220 µF	400 V	±20%	3000 Hrs @ 85°C	-25°C ~ 85°C	0.866" (22.00 mm)	1.772" (45.00 mm)	0.394" (10.00 mm)	—
LGW2G221MELZ45	Nichicon	220 µF	400 V	±20%	3000 Hrs @ 105°C	-25°C ~ 105°C	0.866" (22.00 mm)	1.772" (45.00 mm)	0.394" (10.00 mm)	—
LLS2G221MELB	Nichicon	220 µF	400 V	±20%	3000 Hrs @ 85°C	-25°C ~ 85°C	1.181" (30.00 mm)	1.181" (30.00 mm)	0.394" (10.00 mm)	—
380LQ221M400J022	Cornell Dubilier Electronics (CDE)	220 µF	400 V	±20%	2000 Hrs @ 85°C	-25°C ~ 85°C	0.984" (25.00 mm)	1.260" (32.00 mm)	0.394" (10.00 mm)	905 mOhm @ 120 Hz
380LX221M400K022	Cornell Dubilier Electronics (CDE)	220 µF	400 V	±20%	3000 Hrs @ 85°C	-25°C ~ 85°C	1.181" (30.00 mm)	1.260" (32.00 mm)	0.394" (10.00 mm)	750 mOhm @ 120 Hz
ESMQ401VSN221MQ30S	Chemi-Con	220 µF	400 V	±20%	2000 Hrs @ 85°C	-25°C ~ 85°C	1.000" (25.40 mm)	1.181" (30.00 mm)	0.394" (10.00 mm)	—
MAL215746221E3	Vishay Beyschlag/Draloric/BC Components	220 µF	400 V	±20%	5000 Hrs @ 85°C	-25°C ~ 85°C	0.984" (25.00 mm)	1.654" (42.00 mm)	0.394" (10.00 mm)	520 mOhm
SLPX221M400C3P3	Cornell Dubilier Electronics (CDE)	220 µF	400 V	±20%	3000 Hrs @ 85°C	-25°C ~ 85°C	0.984" (25.00 mm)	1.181" (30.00 mm)	0.394" (10.00 mm)	900 mOhm @ 120 Hz
SLPX221M400E3P3	Cornell Dubilier Electronics (CDE)	220 µF	400 V	±20%	3000 Hrs @ 85°C	-25°C ~ 85°C	1.181" (30.00 mm)	1.181" (30.00 mm)	0.394" (10.00 mm)	905 mOhm @ 120 Hz

Engineering Selection Recommendations

Upgrade Option: LGW2G221MELZ45 (Nichicon) provides extended operating temperature capability to 105°C with identical electrical ratings and physical dimensions to the primary part. This upgrade maintains ROHS3 compliance and Active product status while extending the upper temperature limit by 20°C.

Direct Equivalents (Identical Specifications): SLPX221M400C3P3 and SLPX221M400E3P3 (Cornell Dubilier Electronics) meet all critical electrical and mechanical parameters with 3000-hour lifetime ratings at 85°C. Both maintain ROHS3 compliance and snap-in package compatibility with 0.394" lead spacing.

Alternative Selections with Extended Reliability: MAL215746221E3 (Vishay Beyschlag/Draloric/BC Components) offers 5000-hour lifetime at 85°C with lower ESR (520 mOhm), providing enhanced reliability for applications requiring extended service life. Physical dimensions vary within snap-in package compatibility.

Lower Reliability Alternatives: 380LQ221M400J022 (Cornell Dubilier Electronics) and ESMQ401VSN221MQ30S (Chemi-Con) provide 2000-hour lifetime ratings at 85°C. These parts meet all critical electrical parameters but offer reduced operational hours compared to the primary part. Selection is appropriate only when extended lifetime is not a design requirement.

All substitute parts maintain ROHS3 compliance, REACH unaffected status, and Active product status.

Frequently Asked Questions (FAQ)

Q: Can LGW2G221MELZ45 be used as a direct replacement for LLS2G221MELZ? A: Yes. LGW2G221MELZ45 meets all critical electrical parameters (220 µF, 400 V, ±20% tolerance) and maintains identical physical dimensions and lead spacing. The extended operating temperature range (-25°C ~ 105°C versus -25°C ~ 85°C) represents an upgrade with no compatibility issues.

Q: What is the difference between the "Upgrade" and "Similar" substitute categories? A: The Upgrade category (LGW2G221MELZ45) provides enhanced performance characteristics, specifically extended temperature rating, while maintaining identical physical form factor. Similar parts meet all critical electrical and mechanical specifications but may have variations in lifetime ratings, ESR, or physical dimensions within allowable snap-in package tolerances.

Q: Are there physical dimension constraints when substituting parts? A: Yes. All substitute parts must maintain 0.394" (10.00 mm) lead spacing and snap-in package compatibility. Diameter and height variations are permitted provided the component fits within the PCB footprint and mechanical assembly constraints of the original design. Verify mounting clearance before implementation.

Q: Which substitute offers the longest operational lifetime? A: MAL215746221E3 (Vishay Beyschlag/Draloric/BC Components) provides 5000-hour lifetime at 85°C, compared to 3000 hours for the primary part and most substitutes. This part also features the lowest ESR at 520 mOhm.

Q: Can parts with 2000-hour lifetime ratings be used in applications designed for 3000-hour operation? A: No. 380LQ221M400J022 and ESMQ401VSN221MQ30S are rated for 2000 hours at 85°C and do not meet the 3000-hour requirement of the primary part. These parts are suitable only for applications with reduced lifetime specifications.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance and REACH unaffected status, consistent with the primary part LLS2G221MELZ.

Q: What does ESR variation mean for circuit performance? A: ESR (Equivalent Series Resistance) affects ripple current handling and heat dissipation. Lower ESR values (such as MAL215746221E3 at 520 mOhm) provide improved performance in high-ripple-current applications. Variations in ESR are allowable provided the substitute part meets the ripple current requirements of the specific application circuit.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message