Equivalent & Substitute Parts for ECO-S2GA221CA

Part Overview

The Panasonic ECO-S2GA221CA is a 220 µF, 400 V aluminum electrolytic capacitor in radial, can snap-in package format. This component is classified as obsolete, making equivalent substitute parts necessary for ongoing production and maintenance applications. The part is designed for general-purpose applications requiring stable capacitance and reliable performance across industrial temperature ranges.

Key Parameters

Parameter	Value
Capacitance	220 µF
Voltage Rating	400 V
Tolerance	±20%
Package Type	Radial, Can - Snap-In
Mounting Type	Through Hole
Lead Spacing	0.394" (10.00mm)
Operating Temperature Range	-25°C to 105°C
Polarization	Polar
Lifetime @ 105°C	3000 Hrs

Substitute Part Grouping Explanation

Substitute parts for the ECO-S2GA221CA are qualified based on the following criteria:

Capacitance value: 220 µF (exact match required)
Voltage rating: 400 V (exact match required)
Tolerance: ±20% (exact match required)
Package configuration: Radial, Can - Snap-In (exact match required)
Lead spacing: 0.394" (10.00mm) (exact match required)
Operating temperature range: -25°C to 105°C (exact match required)
Polarization: Polar (exact match required)
Mounting type: Through Hole (exact match required)

All substitute parts listed meet these core electrical and mechanical parameters. Variations in ESR (Equivalent Series Resistance), ripple current ratings, lifetime specifications, and physical height are secondary characteristics that may differ between manufacturers while maintaining functional equivalence for general-purpose applications.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Voltage	Tolerance	ESR @ 120Hz	Lifetime @ 105°C	Height (Max)	Product Status
ECO-S2GA221CA	Panasonic	220 µF	400 V	±20%	603 mOhm	3000 Hrs	2.047" (52.00mm)	Obsolete
227LMB400M2CF	Cornell Dubilier / Illinois Capacitor	220 µF	400 V	±20%	2.30259 Ohm	3000 Hrs	1.654" (42.00mm)	Active
227LMX400M2CF	Cornell Dubilier / Illinois Capacitor	220 µF	400 V	±20%	1.5071 Ohm	5000 Hrs	1.654" (42.00mm)	Active
381LR221M400J042	Cornell Dubilier Electronics (CDE)	220 µF	400 V	±20%	603 mOhm	3000 Hrs	1.654" (42.00mm)	Active
400HXG220MEFCSN25X35	Rubycon	220 µF	400 V	±20%	Not specified	3000 Hrs	1.457" (37.00mm)	Active
400MXG220MEFCSN25X35	Rubycon	220 µF	400 V	±20%	Not specified	3000 Hrs	1.457" (37.00mm)	Active
400MXK220MEFCSN25X30	Rubycon	220 µF	400 V	±20%	Not specified	3000 Hrs	1.260" (32.00mm)	Active
400NXG220MEFC25X40	Rubycon	220 µF	400 V	±20%	Not specified	10000 Hrs	1.654" (42.00mm)	Active
400VXG220MEFCSN25X35	Rubycon	220 µF	400 V	±20%	Not specified	5000 Hrs	1.457" (37.00mm)	Active
400VXH220MEFCSN25X30	Rubycon	220 µF	400 V	±20%	Not specified	5000 Hrs	1.260" (32.00mm)	Active
EKMM401VSN221MQ40S	Chemi-Con	220 µF	400 V	±20%	1.13 Ohm	3000 Hrs	1.654" (42.00mm)	Active

Engineering Selection Recommendations

All listed substitute parts are active products with current manufacturing status, providing supply continuity for the obsolete ECO-S2GA221CA. Selection among substitutes should be based on the following factors:

Compliance and Certifications: All substitute parts carry RoHS3 compliance or RoHS compliance status, with REACH unaffected designation for most alternatives. The original Panasonic part is REACH affected.

Physical Fit Considerations: The original ECO-S2GA221CA has a maximum seated height of 2.047" (52.00mm). Most substitute parts feature reduced heights ranging from 1.260" to 1.654", which may require PCB layout verification to ensure mechanical clearance in existing designs.

Electrical Performance: The 381LR221M400J042 from Cornell Dubilier Electronics matches the original ESR specification of 603 mOhm @ 120Hz and maintains identical 3000-hour lifetime rating, providing direct electrical equivalence. The 227LMX400M2CF offers extended 5000-hour lifetime with improved ESR characteristics. Rubycon parts with extended lifetime ratings (5000 to 10000 hours) provide enhanced reliability for demanding applications.

Inventory Availability: The 400HXG220MEFCSN25X35 and 400NXG220MEFC25X40 from Rubycon show substantial inventory levels (273,882 and 273,782 units respectively), ensuring supply security for high-volume requirements.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with different physical height in my existing design?

A: Physical height differences require PCB layout verification. The original part measures 2.047" (52.00mm) in height, while most substitutes range from 1.260" to 1.654". Reduced heights may provide additional clearance but should be confirmed against your specific mechanical constraints and component placement requirements.

Q: Are all substitute parts pin-compatible with the original ECO-S2GA221CA?

A: Yes. All substitute parts maintain identical lead spacing of 0.394" (10.00mm) and radial, can snap-in package configuration, ensuring direct mechanical compatibility on through-hole PCB designs.

Q: What is the difference between parts with 3000-hour and 5000-hour lifetime ratings?

A: Lifetime rating indicates the expected operational duration at maximum rated temperature (105°C) before capacitance degradation reaches specified limits. Extended lifetime ratings provide longer service life in high-temperature environments but do not affect electrical compatibility for general-purpose applications.

Q: Does ESR variation between substitute parts affect circuit performance?

A: ESR (Equivalent Series Resistance) influences ripple current handling and thermal characteristics. Parts with lower ESR values (such as 227LMX400M2CF at 1.5071 Ohm) provide improved performance in high-ripple-current applications. For general-purpose use, ESR differences within the specified tolerance range maintain functional equivalence.

Q: Are all substitute parts suitable for direct replacement without circuit redesign?

A: All listed substitutes meet the core electrical parameters (220 µF, 400 V, ±20% tolerance) and mechanical specifications (radial snap-in, 10.00mm lead spacing, through-hole mounting) required for functional equivalence. Physical height differences and ESR variations should be evaluated against specific application requirements.

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