ECO-S2GP221DA Equivalent & Substitute Parts

Part Overview

The ECO-S2GP221DA is a 220 µF, 400 V aluminum electrolytic capacitor in radial, can snap-in package manufactured by Panasonic Electronic Components. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing system support and new production requirements. The part operates across a temperature range of -25°C to 85°C with a rated lifetime of 3000 hours at 85°C, serving general-purpose applications requiring stable capacitance and low equivalent series resistance.

Key Parameters

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

Substitute Part Grouping Explanation

Substitution for ECO-S2GP221DA is determined by strict adherence to the following electrical and mechanical parameters:

Critical Parameters (Must Match):

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

Compatible Variations:

Operating temperature range may extend beyond -25°C to 85°C
Lifetime at temperature may exceed 3000 Hrs @ 85°C
ESR (Equivalent Series Resistance) values may vary within acceptable limits
Ripple current ratings may differ based on frequency specifications
Physical height may vary within snap-in package constraints

Substitute parts are grouped into two categories: direct equivalents (matching 400 V rating) and upgrades (450 V rating with enhanced performance characteristics).

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Voltage	Tolerance	ESR @ 120Hz	Lifetime @ Temp	Operating Temp Range	Height (Max)	Product Status
ECO-S2GP221DA	Panasonic	220 µF	400 V	±20%	754 mOhm	3000 Hrs @ 85°C	-25°C ~ 85°C	1.181" (30.00 mm)	Obsolete
380LX221M400K022	Cornell Dubilier Electronics	220 µF	400 V	±20%	750 mOhm	3000 Hrs @ 85°C	-25°C ~ 85°C	1.260" (32.00 mm)	Active
400USG220MEFC30X25	Rubycon	220 µF	400 V	±20%	Not Specified	3000 Hrs @ 85°C	-25°C ~ 85°C	1.063" (27.00 mm)	Active
B43501C9227M000	EPCOS - TDK Electronics	220 µF	400 V	±20%	300 mOhm	10000 Hrs @ 85°C	-40°C ~ 85°C	1.260" (32.00 mm)	Not For New Designs
EKMM401VNN221MR30S	Chemi-Con	220 µF	400 V	±20%	1.13 Ohm	3000 Hrs @ 105°C	-25°C ~ 105°C	1.181" (30.00 mm)	Active
EKMM401VSN221MR30S	Chemi-Con	220 µF	400 V	±20%	1.13 Ohm	3000 Hrs @ 105°C	-25°C ~ 105°C	1.181" (30.00 mm)	Active
EKMM401VSN221MR30W	Chemi-Con	220 µF	400 V	±20%	1.13 Ohm	3000 Hrs @ 105°C	-25°C ~ 105°C	1.181" (30.00 mm)	Active
ESMM451VSN221MR30S	Chemi-Con	220 µF	450 V	±20%	1.507 Ohm	3000 Hrs @ 85°C	-25°C ~ 85°C	1.181" (30.00 mm)	Active
ESMM451VSN221MR30W	Chemi-Con	220 µF	450 V	±20%	1.507 Ohm	3000 Hrs @ 85°C	-25°C ~ 85°C	1.181" (30.00 mm)	Active
LGU2G221MELB	Nichicon	220 µF	400 V	±20%	Not Specified	3000 Hrs @ 105°C	-25°C ~ 105°C	1.181" (30.00 mm)	Active
LGW2G221MELB30	Nichicon	220 µF	400 V	±20%	Not Specified	3000 Hrs @ 105°C	-25°C ~ 105°C	1.181" (30.00 mm)	Active

Engineering Selection Recommendations

Direct Equivalents (400 V Rating):

380LX221M400K022 (Cornell Dubilier Electronics) provides direct electrical equivalence with ESR of 750 mOhm at 120 Hz, matching the original specification within tolerance. This part is active and ROHS3 compliant. Height is 1.260" (32.00 mm), which exceeds the original 1.181" (30.00 mm) by 0.079" and must be verified for mechanical fit in the application.

400USG220MEFC30X25 (Rubycon) offers the most compact form factor at 1.063" (27.00 mm) height, providing space savings in constrained layouts. This part is active but RoHS non-compliant. ESR is not specified in available data.

EKMM401VNN221MR30S, EKMM401VSN221MR30S, and EKMM401VSN221MR30W (Chemi-Con) maintain identical physical dimensions to the original part (1.181" height) and are RoHS compliant. These parts extend operating temperature to 105°C and lifetime to 3000 Hrs @ 105°C. ESR is 1.13 Ohm at 120 Hz, which is higher than the original specification.

LGU2G221MELB and LGW2G221MELB30 (Nichicon) are ROHS3 compliant with extended operating temperature to 105°C and lifetime to 3000 Hrs @ 105°C. Both maintain 1.181" (30.00 mm) height. LGW2G221MELB30 provides higher ripple current capability at 1.79 A @ 120 Hz compared to LGU2G221MELB at 1.1 A @ 120 Hz.

Upgrade Options (450 V Rating):

ESMM451VSN221MR30S and ESMM451VSN221MR30W (Chemi-Con) provide voltage upgrade to 450 V while maintaining 220 µF capacitance and 1.181" (30.00 mm) height. These parts are RoHS compliant and suitable for applications requiring higher voltage margin. ESR is 1.507 Ohm at 120 Hz.

Not Recommended for New Designs:

B43501C9227M000 (EPCOS - TDK Electronics) is designated "Not For New Designs" and should not be selected for new production despite superior ESR performance (300 mOhm) and extended lifetime (10000 Hrs @ 85°C).

Frequently Asked Questions (FAQ)

Q: Can I use a 450 V rated capacitor in place of a 400 V rated capacitor?

A: Yes. The ESMM451VSN221MR30S and ESMM451VSN221MR30W parts rated at 450 V are direct upgrades for 400 V applications. Higher voltage rating provides additional safety margin and does not degrade performance in 400 V circuits.

Q: What is the significance of ESR (Equivalent Series Resistance) differences?

A: ESR affects ripple current handling and heat generation. Lower ESR values (300 mOhm in B43501C9227M000) indicate better high-frequency performance. Higher ESR values (1.13 Ohm in Chemi-Con parts) are acceptable for general-purpose applications but may generate more heat under high ripple current conditions. Selection depends on circuit ripple current requirements.

Q: Are there mechanical fit concerns with substitute parts?

A: Yes. The original ECO-S2GP221DA has a maximum seated height of 1.181" (30.00 mm). The 380LX221M400K022 is 1.260" (32.00 mm) tall, requiring 0.079" additional clearance. The 400USG220MEFC30X25 is 1.063" (27.00 mm), providing 0.118" of additional space. Physical verification in the target application is required before selection.

Q: What is the difference between Chemi-Con KMM series parts with different suffixes (MR30S, MR30W)?

A: The provided data indicates both EKMM401VSN221MR30S and EKMM401VSN221MR30W share identical electrical specifications (220 µF, 400 V, 1.13 Ohm ESR, 3000 Hrs @ 105°C). The suffix difference reflects packaging or internal construction variants. Both are active and RoHS compliant.

Q: Which substitute offers the best thermal performance?

A: LGU2G221MELB and LGW2G221MELB30 (Nichicon) and the Chemi-Con KMM series extend operating temperature to 105°C and lifetime to 3000 Hrs @ 105°C, compared to the original 85°C specification. LGW2G221MELB30 additionally provides the highest ripple current rating at 2.5597 A @ 50 kHz.

Q: Is RoHS compliance a requirement for my application?

A: RoHS compliance status varies across substitutes. The 400USG220MEFC30X25 (Rubycon) is RoHS non-compliant. All Chemi-Con and Nichicon options are RoHS compliant. The 380LX221M400K022 is ROHS3 compliant. Verify compliance requirements with your procurement and regulatory standards before selection.

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