Equivalent & Substitute Parts for ECO-S2AA332DA

Part Overview

The ECO-S2AA332DA is a 3300 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 system support and new design implementations. The part operates across a temperature range of -40°C to 105°C and is rated for general-purpose applications requiring high capacitance values at moderate voltage levels.

Key Parameters

Parameter	Value
Capacitance	3300 µF
Voltage Rating	100 V
Tolerance	±20%
Package Type	Radial, Can - Snap-In
Mounting Type	Through Hole
Lead Spacing	0.394" (10.00 mm)
Operating Temperature Range	-40°C to 105°C
Polarization	Polar

Substitute Part Grouping Explanation

Substitution eligibility for the ECO-S2AA332DA is determined by strict adherence to the following electrical and mechanical parameters:

Critical Parameters (Must Match):

Capacitance: 3300 µF
Voltage Rating: 100 V
Tolerance: ±20%
Polarization: Polar
Package Type: Radial, Can - Snap-In
Mounting Type: Through Hole
Lead Spacing: 0.394" (10.00 mm)
Operating Temperature Range: -40°C to 105°C

Allowable Variations:

ESR (Equivalent Series Resistance): May vary based on frequency measurement conditions
Lifetime @ Temperature: May exceed the original specification
Ripple Current ratings: May vary with frequency measurement conditions
Physical dimensions (diameter and height): Minor variations permitted within mechanical compatibility constraints
Product Status: Active status preferred for long-term availability

Parts are grouped into the following categories based on substitution relationship strength:

Direct Substitutes: Parts meeting all critical parameters with identical or superior electrical performance characteristics.

Upgrade Options: Parts exceeding original specifications in lifetime or ripple current capacity while maintaining all critical parameters.

Similar Alternatives: Parts meeting all critical parameters with acceptable variations in physical dimensions or performance metrics.

Parametric Equivalents: Parts matching all critical electrical parameters with minor dimensional variations.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Voltage	Tolerance	ESR @ Frequency	Lifetime @ 105°C	Diameter	Height (Max)	Product Status	RoHS Status
ECO-S2AA332DA	Panasonic	3300 µF	100 V	±20%	75 mOhm @ 120 Hz	3000 Hrs	1.181" (30.00 mm)	2.047" (52.00 mm)	Obsolete	Not Specified
ALC80A332CF100	KEMET	3300 µF	100 V	±20%	86 mOhm @ 100 Hz	7000 Hrs	1.181" (30.00 mm)	2.047" (52.00 mm)	Active	ROHS3 Compliant
ALC80D332CF100	KEMET	3300 µF	100 V	±20%	86 mOhm @ 100 Hz	7000 Hrs	1.181" (30.00 mm)	2.047" (52.00 mm)	Active	ROHS3 Compliant
SLP332M100E4P3	Cornell Dubilier Electronics (CDE)	3300 µF	100 V	±20%	80 mOhm @ 120 Hz	3000 Hrs	1.181" (30.00 mm)	1.772" (45.00 mm)	Active	ROHS3 Compliant
LGY2A332MELB50	Nichicon	3300 µF	100 V	±20%	Not Specified	5000 Hrs	1.181" (30.00 mm)	2.047" (52.00 mm)	Active	ROHS3 Compliant
381LX332M100A042	Cornell Dubilier Electronics (CDE)	3300 µF	100 V	±20%	Not Specified	3000 Hrs	1.378" (35.00 mm)	1.654" (42.00 mm)	Active	ROHS3 Compliant
B41252A9338M	EPCOS - TDK Electronics	3300 µF	100 V	±20%	Not Specified	2000 Hrs	1.181" (30.00 mm)	2.047" (52.00 mm)	Active	ROHS3 Compliant
SLP332M100H5P3	Cornell Dubilier Electronics (CDE)	3300 µF	100 V	±20%	80 mOhm @ 120 Hz	3000 Hrs	1.378" (35.00 mm)	1.378" (35.00 mm)	Active	ROHS3 Compliant
381LX332M100K052	Cornell Dubilier Electronics (CDE)	3300 µF	100 V	±20%	Not Specified	3000 Hrs	1.181" (30.00 mm)	2.047" (52.00 mm)	Active	ROHS3 Compliant
LGU2A332MELB	Nichicon	3300 µF	100 V	±20%	Not Specified	3000 Hrs	1.181" (30.00 mm)	2.047" (52.00 mm)	Active	ROHS3 Compliant

Engineering Selection Recommendations

All substitute parts listed maintain active product status with ROHS3 compliance, ensuring long-term availability and regulatory alignment. Selection should prioritize parts with identical physical dimensions to the ECO-S2AA332DA to minimize PCB layout modifications.

For direct mechanical and electrical compatibility: ALC80A332CF100, ALC80D332CF100, 381LX332M100K052, and LGU2A332MELB provide identical or near-identical form factors with the original part. These options support drop-in replacement without design revision.

For enhanced reliability: LGY2A332MELB50 offers extended lifetime rating of 5000 hours at 105°C compared to the original 3000-hour specification, while maintaining identical physical dimensions.

For space-constrained applications: SLP332M100E4P3 and SLP332M100H5P3 provide reduced height profiles, suitable for designs where vertical clearance is limited. These parts require verification of PCB layout compatibility due to dimensional variations.

For cost optimization: B41252A9338M maintains identical dimensions to the original part but features a reduced lifetime specification of 2000 hours at 105°C. This option is suitable only for applications with lower thermal stress or shorter operational life requirements.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with different physical dimensions?

A: Dimensional variations require PCB layout verification. Parts with identical diameter (1.181" / 30.00 mm) and height (2.047" / 52.00 mm) provide direct mechanical compatibility. Parts with different dimensions may require PCB modifications or mechanical rework.

Q: What does ESR variation mean for my application?

A: ESR (Equivalent Series Resistance) affects ripple current handling and thermal performance. The original part specifies 75 mOhm @ 120 Hz. Substitute parts with higher ESR values (such as 86 mOhm @ 100 Hz) generate slightly more heat under ripple current stress. For applications with high ripple current demands, verify that the substitute part's ripple current rating meets system requirements.

Q: Why do some parts have longer lifetime ratings?

A: Lifetime ratings reflect the expected operational duration at maximum rated temperature (105°C) before capacitance degradation exceeds tolerance limits. Parts with extended lifetime ratings (such as 7000 hours for KEMET ALC80 series) provide improved reliability margins in thermally demanding applications.

Q: Are all substitute parts RoHS compliant?

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

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

A: Direct substitutes meet all critical electrical and mechanical parameters with equivalent or superior performance. Upgrade options exceed original specifications in reliability metrics. Similar alternatives maintain electrical parameters with acceptable dimensional variations. Parametric equivalents match all critical electrical specifications with minor dimensional differences.

Q: Can I mix different substitute parts in the same circuit?

A: Yes, provided all parts meet the critical parameters listed in the Key Parameters section. However, for optimal circuit performance and thermal management, using parts from the same manufacturer series is recommended to ensure consistent ESR and ripple current characteristics.

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