ECO-S2GA271EA Equivalent & Substitute Parts

Part Overview

The ECO-S2GA271EA is a 270 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 substitute parts necessary for ongoing system support and new design implementations. The part operates across a temperature range of -25°C to 105°C with a rated lifetime of 3000 hours at 105°C, serving general-purpose applications requiring stable capacitance and low equivalent series resistance.

Key Parameters

Parameter	Value
Capacitance	270 µF
Voltage Rating	400 V
Tolerance	±20%
Package Type	Radial, Can - Snap-In
Mounting Type	Through Hole
Lead Spacing	0.394" (10.00 mm)
Polarization	Polar
Operating Temperature Range	-25°C to 105°C
Lifetime @ 105°C	3000 Hrs (minimum)

Substitute Part Grouping Explanation

Substitution eligibility for the ECO-S2GA271EA is determined by strict adherence to the following parameters:

Critical Parameters (Must Match Exactly):

Capacitance: 270 µF
Voltage Rating: 400 V
Tolerance: ±20%
Package Type: Radial, Can - Snap-In
Lead Spacing: 0.394" (10.00 mm)
Mounting Type: Through Hole
Polarization: Polar

Compatible Variation Parameters:

Physical dimensions (diameter and height) within mechanical envelope constraints
Equivalent Series Resistance (ESR) values lower than or equal to the original specification
Lifetime ratings at 105°C of 3000 hours or greater
Operating temperature range encompassing -25°C to 105°C minimum
Ripple current ratings at specified frequencies

All substitute parts listed meet or exceed the critical electrical and mechanical parameters of the ECO-S2GA271EA while maintaining full form-fit-function compatibility in through-hole snap-in applications.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	ESR @ 120Hz	Lifetime @ 105°C	Height (Max)	Product Status
ECO-S2GA271EA	Panasonic	270 µF	400 V	±20%	491 mOhm	3000 Hrs	1.457" (37.00 mm)	Obsolete
277LMB400M2ED	Cornell Dubilier / Illinois Capacitor	270 µF	400 V	±20%	1.535 Ohm	3000 Hrs	1.260" (32.00 mm)	Active
277LMX400M2ED	Cornell Dubilier / Illinois Capacitor	270 µF	400 V	±20%	1.228 Ohm	5000 Hrs	1.260" (32.00 mm)	Active
277LMX400M2EE	Cornell Dubilier / Illinois Capacitor	270 µF	400 V	±20%	1.228 Ohm	5000 Hrs	1.457" (37.00 mm)	Active
381LX271M400A022	Cornell Dubilier Electronics (CDE)	270 µF	400 V	±20%	Not Specified	3000 Hrs	1.260" (32.00 mm)	Active
400HXG270MEFC35X25	Rubycon	270 µF	400 V	±20%	Not Specified	3000 Hrs	1.063" (27.00 mm)	Active
400MXG270MEFCSN35X25	Rubycon	270 µF	400 V	±20%	Not Specified	3000 Hrs	1.063" (27.00 mm)	Active
400VXG270MEFC35X30	Rubycon	270 µF	400 V	±20%	Not Specified	5000 Hrs	1.260" (32.00 mm)	Active
B43254C9277M	EPCOS - TDK Electronics	270 µF	400 V	±20%	Not Specified	3000 Hrs	1.260" (32.00 mm)	Active
EKMM401VSN271MA30S	Chemi-Con	270 µF	400 V	±20%	921 mOhm	3000 Hrs	1.260" (32.00 mm)	Active
ELXM401VSN271MA30S	Chemi-Con	270 µF	400 V	±20%	Not Specified	7000 Hrs	1.260" (32.00 mm)	Active

Engineering Selection Recommendations

Active Product Status Priority: All listed substitute parts maintain active product status with established supply chains and manufacturing continuity. Selection from active manufacturers eliminates obsolescence risk inherent to the original ECO-S2GA271EA component.

Compliance and Certification Alignment: Substitute parts from Cornell Dubilier, Rubycon, EPCOS-TDK Electronics, and Chemi-Con all carry ROHS3 compliance or RoHS compliance certifications. REACH compliance status varies; parts designated as REACH Unaffected or REACH Compliant are suitable for applications requiring regulatory adherence.

Dimensional Compatibility: Physical height variations exist among substitute options. The 277LMX400M2EE maintains the original 1.457" (37.00 mm) height, providing direct mechanical compatibility for space-constrained applications. Shorter alternatives (1.260" or 1.063" heights) accommodate designs with reduced vertical clearance while maintaining the 0.394" (10.00 mm) lead spacing and 1.378" (35.00 mm) diameter.

Lifetime and Reliability Considerations: Parts with 5000-hour lifetimes at 105°C (277LMX400M2ED, 277LMX400M2EE, 400VXG270MEFC35X30, ELXM401VSN271MA30S) provide extended operational life compared to the 3000-hour specification of the original component. The ELXM401VSN271MA30S offers the highest rated lifetime at 7000 hours.

ESR Performance: Where specified, substitute parts demonstrate ESR values comparable to or lower than the original 491 mOhm specification, supporting applications requiring low impedance characteristics.

Frequently Asked Questions (FAQ)

Q: Can any of these substitute parts be used as a direct replacement for the ECO-S2GA271EA?

A: All listed substitute parts meet the critical electrical parameters (270 µF, 400 V, ±20% tolerance) and mechanical specifications (radial snap-in package, 10.00 mm lead spacing, through-hole mounting). Physical height differences require verification against available board space. The 277LMX400M2EE provides identical height (37.00 mm) for direct mechanical substitution.

Q: What is the significance of ESR values in selecting a substitute?

A: Equivalent Series Resistance (ESR) affects ripple current handling and thermal performance. Lower ESR values indicate better high-frequency performance and reduced heat generation. Substitute parts with specified ESR values at or below 491 mOhm maintain or improve upon the original component's electrical characteristics.

Q: Are there differences in ripple current ratings between the main part and substitutes?

A: Ripple current ratings vary across substitute parts at different frequency points. Selection should align with the specific frequency characteristics of the application. Detailed ripple current specifications are available in individual part datasheets for frequency-dependent applications.

Q: Does the lifetime rating affect component selection?

A: Lifetime ratings at 105°C indicate expected operational duration under specified conditions. Parts with 5000 or 7000-hour ratings provide extended service life compared to the 3000-hour original specification. Applications requiring long-term reliability benefit from higher-rated alternatives.

Q: What packaging considerations apply to these snap-in capacitors?

A: All substitute parts maintain the snap-in mechanical interface compatible with standard through-hole PCB footprints designed for the ECO-S2GA271EA. Height variations (27.00 mm to 37.00 mm) require clearance verification in the application assembly. Lead spacing remains constant at 10.00 mm across all options.

Q: Are there compliance or regulatory differences between manufacturers?

A: Substitute parts carry varying compliance certifications. ROHS3 Compliant parts meet current European Union directives. REACH status varies; REACH Unaffected or REACH Compliant designations indicate suitability for regulated applications. Verify specific compliance requirements for your application region.

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