ECO-S2EB102DA Equivalent & Substitute Parts

Part Overview

The ECO-S2EB102DA is a 1000 µF, 250 V aluminum electrolytic capacitor in radial, can snap-in package manufactured by Panasonic Electronic Components. This component is classified as obsolete, making equivalent substitutes necessary for ongoing production and maintenance applications. The part operates across a temperature range of -40°C to 105°C with a 3000-hour lifetime rating at 105°C, serving general-purpose filtering and energy storage functions in power supply and industrial equipment designs.

Key Parameters

Parameter	Value
Capacitance	1000 µF
Voltage Rating	250 V
Tolerance	±20%
Package Type	Radial, Can - Snap-In
Mounting Type	Through Hole
Lead Spacing	0.394" (10.00 mm)
Case Diameter	1.181" (30.00 mm)
Operating Temperature Range	-40°C to 105°C
Lifetime @ Temperature	3000 Hrs @ 105°C
Polarization	Polar
Applications	General Purpose

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria (Direct Equivalents):

Capacitance: 1000 µF (exact match required)
Voltage Rating: 250 V (exact match required)
Tolerance: ±20% (exact match required)
Package Type: Radial, Can - Snap-In (exact match required)
Lead Spacing: 0.394" (10.00 mm) (exact match required)
Case Diameter: 1.181" (30.00 mm) (exact match required)
Operating Temperature Range: -40°C to 105°C (exact match required)
Lifetime: 3000 Hrs @ 105°C (exact match required)
Mounting Type: Through Hole (exact match required)

Secondary Substitution Criteria (Acceptable Variations):

Height variation within mechanical envelope constraints
ESR and ripple current specifications may vary within acceptable operating parameters
RoHS compliance status (active parts preferred over obsolete)

Parts classified as "Direct" meet all primary criteria. Parts classified as "Similar" meet electrical criteria but have voltage ratings below 250 V and are suitable only for applications with lower voltage requirements.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Height (Max)	Lifetime @ Temp	Operating Temp Range	Product Status	RoHS Status
ECO-S2EB102DA	Panasonic	1000 µF	250 V	±20%	1.969" (50.00 mm)	3000 Hrs @ 105°C	-40°C to 105°C	Obsolete	REACH Affected
381LX102M250K052	Cornell Dubilier Electronics	1000 µF	250 V	±20%	2.047" (52.00 mm)	3000 Hrs @ 105°C	-40°C to 105°C	Active	ROHS3 Compliant
B43508F2108M000	EPCOS - TDK Electronics	1000 µF	250 V	±20%	1.654" (42.00 mm)	3000 Hrs @ 105°C	-40°C to 105°C	Active	ROHS3 Compliant
LGN2E102MELB40	Nichicon	1000 µF	250 V	±20%	1.654" (42.00 mm)	3000 Hrs @ 105°C	-40°C to 105°C	Active	ROHS3 Compliant
LGW2E102MELB40	Nichicon	1000 µF	250 V	±20%	1.575" (40.00 mm)	3000 Hrs @ 105°C	-40°C to 105°C	Active	ROHS3 Compliant
160MXG1000MEFCSN30X25	Rubycon	1000 µF	160 V	±20%	1.063" (27.00 mm)	3000 Hrs @ 105°C	-40°C to 105°C	Active	ROHS3 Compliant
160USG1000MEFC30X25	Rubycon	1000 µF	160 V	±20%	1.063" (27.00 mm)	3000 Hrs @ 85°C	-40°C to 85°C	Active	RoHS non-compliant
160USG1000MEFCSN30X25	Rubycon	1000 µF	160 V	±20%	1.063" (27.00 mm)	3000 Hrs @ 85°C	-40°C to 85°C	Active	ROHS3 Compliant
180MXG1000MEFCSN30X30	Rubycon	1000 µF	180 V	±20%	1.260" (32.00 mm)	3000 Hrs @ 105°C	-40°C to 105°C	Active	ROHS3 Compliant
180USG1000MEFC30X25	Rubycon	1000 µF	180 V	±20%	1.063" (27.00 mm)	3000 Hrs @ 85°C	-40°C to 85°C	Active	ROHS3 Compliant
200HXC1000MEFCSN30X35	Rubycon	1000 µF	200 V	±20%	1.457" (37.00 mm)	2000 Hrs @ 105°C	-25°C to 105°C	Active	ROHS3 Compliant

Engineering Selection Recommendations

Direct Equivalents (250 V Rating):

The following parts meet all primary substitution criteria and are recommended as direct replacements for the ECO-S2EB102DA:

381LX102M250K052 (Cornell Dubilier Electronics): Active product status with ROHS3 compliance. Height of 2.047" (52.00 mm) exceeds the original 1.969" (50.00 mm) by 0.078", requiring verification of available mounting space.
B43508F2108M000 (EPCOS - TDK Electronics): Active product status with ROHS3 compliance. Height of 1.654" (42.00 mm) is 0.315" shorter than the original, providing improved space efficiency. ESR specification of 120 mOhm @ 100 Hz is lower than the original 199 mOhm @ 120 Hz.
LGN2E102MELB40 (Nichicon): Active product status with ROHS3 compliance. Height of 1.654" (42.00 mm) matches B43508F2108M000. Ripple current at high frequency is 3.3 A @ 50 kHz.
LGW2E102MELB40 (Nichicon): Active product status with ROHS3 Compliant. Height of 1.575" (40.00 mm) provides the most compact profile. Ripple current at high frequency is 4.95 A @ 50 kHz, indicating superior high-frequency performance.

Similar Parts (Lower Voltage Ratings):

The following parts have voltage ratings below 250 V and are suitable only for applications where the circuit design permits operation at reduced voltage:

160MXG1000MEFCSN30X25 (Rubycon): 160 V rating, 3000 Hrs @ 105°C, ROHS3 compliant.
160USG1000MEFC30X25 (Rubycon): 160 V rating, 3000 Hrs @ 85°C, RoHS non-compliant.
160USG1000MEFCSN30X25 (Rubycon): 160 V rating, 3000 Hrs @ 85°C, ROHS3 compliant.
180MXG1000MEFCSN30X30 (Rubycon): 180 V rating, 3000 Hrs @ 105°C, ROHS3 compliant.
180USG1000MEFC30X25 (Rubycon): 180 V rating, 3000 Hrs @ 85°C, ROHS3 compliant.
200HXC1000MEFCSN30X35 (Rubycon): 200 V rating, 2000 Hrs @ 105°C (reduced lifetime), ROHS3 compliant.

Frequently Asked Questions (FAQ)

Q: Can I use a lower voltage-rated capacitor as a substitute for the ECO-S2EB102DA?

A: Lower voltage-rated capacitors (160 V, 180 V, or 200 V) are not direct equivalents. They may be used only if the circuit design operates at or below the substitute part's voltage rating. Using an undersized voltage rating in a 250 V circuit creates reliability and safety risks.

Q: What is the significance of height differences among the direct equivalents?

A: The original ECO-S2EB102DA has a maximum seated height of 1.969" (50.00 mm). The 381LX102M250K052 exceeds this by 0.078", while B43508F2108M000, LGN2E102MELB40, and LGW2E102MELB40 are shorter. Height variations must be evaluated against available PCB mounting space and clearance requirements.

Q: Why do some substitute parts have different lifetime ratings?

A: Lifetime ratings depend on the capacitor series design and thermal characteristics. The 200HXC1000MEFCSN30X35 has a 2000-hour lifetime at 105°C, compared to 3000 hours for other parts. This affects long-term reliability in continuous-duty applications.

Q: What does ROHS3 compliance mean for component selection?

A: ROHS3 compliance indicates the part meets Restriction of Hazardous Substances Directive requirements. All direct equivalents listed are ROHS3 compliant, making them suitable for applications requiring regulatory compliance. The original ECO-S2EB102DA is marked as REACH Affected, indicating it may contain restricted substances.

Q: Are there mechanical compatibility concerns with snap-in mounting?

A: All substitute parts use the same radial, can snap-in package with 0.394" (10.00 mm) lead spacing and 1.181" (30.00 mm) case diameter. Mechanical compatibility is maintained across all listed substitutes. Height variations require PCB layout verification.

Q: How do ESR and ripple current specifications affect substitution?

A: ESR (Equivalent Series Resistance) and ripple current ratings are provided specifications that vary by manufacturer and series. Lower ESR values indicate better high-frequency performance. Higher ripple current ratings provide greater margin in filtering applications. These parameters are informational and do not disqualify substitution if electrical and mechanical criteria are met.

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