ECO-S2AA472EA Equivalent & Substitute Parts

Part Overview

The ECO-S2AA472EA is a 4700 µF, 100 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 design support and production continuity. The part operates across a temperature range of -40°C to 105°C with a rated lifetime of 3000 hours at 105°C, serving general-purpose applications requiring high-capacitance energy storage.

Key Parameters

Parameter	Value
Capacitance	4700 µF
Voltage Rating	100 V
Tolerance	±20%
Package Type	Radial, Can - Snap-In
Mounting Type	Through Hole
Lead Spacing	0.394" (10.00mm)
Case Diameter	1.378" (35.00mm)
Operating Temperature	-40°C ~ 105°C
Polarization	Polar

Substitute Part Grouping Explanation

Substitution eligibility for the ECO-S2AA472EA is determined by strict adherence to the following parameters:

Critical Parameters (Must Match Exactly):

Capacitance: 4700 µF
Voltage Rating: 100 V
Tolerance: ±20%
Package Type: Radial, Can - Snap-In
Lead Spacing: 0.394" (10.00mm)
Case Diameter: 1.378" (35.00mm)
Mounting Type: Through Hole
Operating Temperature Range: -40°C ~ 105°C
Polarization: Polar

Secondary Parameters (Influence Performance but Allow Variation):

Height (Seated): Variations acceptable within mechanical envelope constraints
ESR (Equivalent Series Resistance): Variations acceptable based on application ripple current requirements
Lifetime @ 105°C: Variations acceptable; higher ratings provide extended service life
Ripple Current Ratings: Variations acceptable based on circuit requirements

All substitute parts listed maintain identical electrical specifications (capacitance, voltage, tolerance) and mechanical compatibility (package, lead spacing, diameter) with the original ECO-S2AA472EA.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Height (Max)	ESR @ 120Hz/100Hz	Lifetime @ 105°C	Product Status	RoHS Status
ECO-S2AA472EA	Panasonic	4700 µF	100 V	±20%	2.047" (52.00mm)	53 mOhm @ 120Hz	3000 Hrs	Obsolete	REACH Affected
100MXG4700MEFCSN35X40	Rubycon	4700 µF	100 V	±20%	1.654" (42.00mm)	Not Specified	3000 Hrs	Active	ROHS3 Compliant
478LMB100M2EG	Cornell Dubilier / Illinois Capacitor	4700 µF	100 V	±20%	1.850" (47.00mm)	70.5475 mOhm @ 120Hz	3000 Hrs	Active	ROHS3 Compliant
ALC80A472DF100	KEMET	4700 µF	100 V	±20%	2.047" (52.00mm)	65.09 mOhm @ 100Hz	8000 Hrs	Active	ROHS3 Compliant
ALC80D472DF100	KEMET	4700 µF	100 V	±20%	2.047" (52.00mm)	65 mOhm @ 100Hz	8000 Hrs	Active	ROHS3 Compliant
SLP472M100H4P3	Cornell Dubilier Electronics (CDE)	4700 µF	100 V	±20%	1.772" (45.00mm)	56 mOhm	3000 Hrs	Active	ROHS3 Compliant
LGY2A472MELC50	Nichicon	4700 µF	100 V	±20%	2.047" (52.00mm)	Not Specified	5000 Hrs	Active	ROHS3 Compliant
383LX472M100A052	Cornell Dubilier Electronics (CDE)	4700 µF	100 V	±20%	2.047" (52.00mm)	Not Specified	3000 Hrs	Active	ROHS3 Compliant
B41252A9478M000	EPCOS - TDK Electronics	4700 µF	100 V	±20%	2.047" (52.00mm)	Not Specified	2000 Hrs	Active	ROHS3 Compliant
MAL215849472E3	Vishay Beyschlag/Draloric/BC Components	4700 µF	100 V	±20%	2.047" (52.00mm)	78 mOhm @ 100Hz	5000 Hrs	Active	ROHS3 Compliant
381LX472M100A052	Cornell Dubilier Electronics (CDE)	4700 µF	100 V	±20%	2.047" (52.00mm)	Not Specified	3000 Hrs	Active	ROHS3 Compliant

Engineering Selection Recommendations

All listed substitute parts maintain full electrical and mechanical compatibility with the ECO-S2AA472EA. Selection should be based on the following criteria:

For Direct Replacement (Identical Specifications): 381LX472M100A052, 383LX472M100A052, and SLP472M100H4P3 provide equivalent performance with active product status and ROHS3 compliance. These parts match the original 3000-hour lifetime rating at 105°C.

For Enhanced Reliability (Extended Lifetime): ALC80A472DF100, ALC80D472DF100, LGY2A472MELC50, and MAL215849472E3 offer extended service life ratings (5000 to 8000 hours at 105°C), providing improved long-term reliability for applications requiring extended operational duration.

For Space-Constrained Applications: 100MXG4700MEFCSN35X40 (1.654" height) and SLP472M100H4P3 (1.772" height) provide reduced height profiles while maintaining all critical electrical parameters, suitable for designs with vertical space limitations.

For Minimum Lifetime Applications: B41252A9478M000 offers a 2000-hour lifetime rating at 105°C and remains suitable for applications with lower thermal stress or shorter operational requirements.

All substitute parts carry ROHS3 compliance and REACH unaffected status, ensuring regulatory compliance for modern manufacturing environments.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with a different height than the original ECO-S2AA472EA?

A: Yes. Height variation is acceptable provided the substitute part fits within the available vertical space in your PCB assembly. All listed substitutes maintain the same 1.378" (35.00mm) diameter and 0.394" (10.00mm) lead spacing, ensuring mechanical compatibility. Verify clearance in your specific application before implementation.

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

A: ESR affects ripple current handling and heat dissipation. Lower ESR values (such as 53 mOhm in the original) indicate better high-frequency performance. Substitutes with higher ESR values remain functionally compatible but may generate slightly more heat under high ripple current conditions. Select based on your circuit's ripple current requirements.

Q: Why do some substitute parts have longer lifetime ratings (5000-8000 hours) than the original (3000 hours)?

A: Extended lifetime ratings indicate improved thermal stability and component longevity at 105°C. These parts are direct upgrades suitable for applications requiring extended service life. No design changes are required; simply substitute the part number.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All active substitute parts listed carry ROHS3 compliance certification, meeting current environmental and regulatory requirements for electronic component manufacturing and assembly.

Q: Can I use the 100MXG4700MEFCSN35X40 (42mm height) in a design originally specified for the 52mm ECO-S2AA472EA?

A: Yes, provided your PCB layout has sufficient vertical clearance. The reduced height is an advantage in space-constrained designs. Verify that the component does not interfere with adjacent components or enclosure constraints before finalizing the substitution.

Q: What is the difference between "Direct," "Upgrade," "Similar," and "Parametric Equivalent" classifications?

A: Direct substitutes match all critical specifications. Upgrade parts offer enhanced performance (extended lifetime). Similar parts maintain electrical compatibility with minor variations in secondary parameters. Parametric equivalents meet all functional requirements. All classifications in this reference are suitable for replacement.

Q: Do I need to modify my circuit design to use a substitute part?

A: No. All substitute parts maintain identical capacitance (4700 µF), voltage rating (100 V), tolerance (±20%), and package configuration. No circuit modifications are required. Direct substitution is possible without design changes.

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