Equivalent & Substitute Parts for ECO-S1EP153BA

Part Overview

The ECO-S1EP153BA is a 15000 µF, 25 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 85°C with a rated lifetime of 3000 hours at 85°C, serving general-purpose applications requiring high capacitance values in compact form factors.

Key Parameters

Parameter	Value
Capacitance	15000 µF
Voltage Rating	25 V
Tolerance	±20%
ESR @ 120Hz	39 mOhm
Lifetime @ 85°C	3000 Hrs
Operating Temperature	-40°C ~ 85°C
Lead Spacing	0.394" (10.00 mm)
Package Type	Radial, Can - Snap-In
Mounting Type	Through Hole

Substitute Part Grouping Explanation

Substitution of the ECO-S1EP153BA is determined by strict electrical and mechanical compatibility criteria. All substitute parts must maintain the following parameters:

Capacitance: 15000 µF (exact match required)
Voltage Rating: 25 V (exact match required)
Tolerance: ±20% (exact match required)
Lead Spacing: 0.394" (10.00 mm) (exact match required)
Package Type: Radial, Can - Snap-In (exact match required)
Mounting Type: Through Hole (exact match required)
Operating Temperature Range: -40°C ~ 85°C (exact match required)
Polarization: Polar (exact match required)

Substitute parts are classified into two categories:

Direct Substitutes: Parts meeting all electrical and mechanical parameters with identical or superior performance characteristics (ESR, ripple current, lifetime rating).

Similar Substitutes: Parts meeting all core electrical and mechanical parameters but with variations in physical dimensions (diameter and height) that may require PCB layout modifications. These parts maintain functional equivalence within the specified electrical parameters.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	ESR @ 120Hz	Lifetime @ 85°C	Diameter	Height (Max)	Product Status	RoHS Status
ECO-S1EP153BA	Panasonic	15000 µF	25 V	39 mOhm	3000 Hrs	0.866" (22.00 mm)	1.969" (50.00 mm)	Obsolete	Not Specified
380LX153M025H052	Cornell Dubilier Electronics	15000 µF	25 V	40 mOhm	3000 Hrs	0.866" (22.00 mm)	2.047" (52.00 mm)	Active	ROHS3 Compliant
SLPX153M025A9P3	Cornell Dubilier Electronics	15000 µF	25 V	40 mOhm	3000 Hrs	0.866" (22.00 mm)	1.969" (50.00 mm)	Active	ROHS3 Compliant
380LX153M025K022	Cornell Dubilier Electronics	15000 µF	25 V	40 mOhm	3000 Hrs	1.181" (30.00 mm)	1.260" (32.00 mm)	Active	ROHS3 Compliant
B41231A5159M000	EPCOS - TDK Electronics	15000 µF	25 V	Not Specified	2000 Hrs	0.866" (22.00 mm)	2.047" (52.00 mm)	Active	ROHS3 Compliant
SLPX153M025C7P3	Cornell Dubilier Electronics	15000 µF	25 V	40 mOhm	3000 Hrs	0.984" (25.00 mm)	1.575" (40.00 mm)	Active	ROHS3 Compliant
SLPX153M025E3P3	Cornell Dubilier Electronics	15000 µF	25 V	40 mOhm	3000 Hrs	1.181" (30.00 mm)	1.181" (30.00 mm)	Active	ROHS3 Compliant

Engineering Selection Recommendations

Primary Direct Substitute: SLPX153M025A9P3 (Cornell Dubilier Electronics)

This part provides the closest physical and electrical match to the ECO-S1EP153BA. It maintains identical capacitance, voltage rating, tolerance, lead spacing, and physical dimensions (0.866" diameter, 1.969" height). The ESR specification of 40 mOhm at 120Hz is marginally higher than the original 39 mOhm but remains within acceptable operating parameters. The part is ROHS3 compliant and carries active product status with 2635 units in stock.

Alternative Direct Substitute: 380LX153M025H052 (Cornell Dubilier Electronics)

This part matches all electrical specifications and lead spacing but has a slightly increased height of 2.047" compared to the original 1.969". It is suitable for applications where vertical clearance permits the additional 0.078" height. ROHS3 compliant with active status.

Dimensional Variant Substitutes: 380LX153M025K022, SLPX153M025C7P3, SLPX153M025E3P3

These parts maintain all core electrical parameters but feature different physical dimensions. Selection depends on available PCB space and mounting constraints. All are ROHS3 compliant with active product status.

Secondary Substitute: B41231A5159M000 (EPCOS - TDK Electronics)

This part meets all electrical and mechanical requirements but specifies a reduced lifetime rating of 2000 hours at 85°C compared to the 3000-hour rating of the original and other substitutes. ESR data is not provided. This part is suitable only for applications where the reduced lifetime specification is acceptable. ROHS3 compliant with active status.

Frequently Asked Questions (FAQ)

Q: Can SLPX153M025A9P3 be used as a direct replacement for ECO-S1EP153BA without PCB modifications?

A: Yes. SLPX153M025A9P3 maintains identical lead spacing (0.394" / 10.00 mm), diameter (0.866" / 22.00 mm), and height (1.969" / 50.00 mm). No PCB layout changes are required.

Q: What is the difference between "Direct Substitutes" and "Similar Substitutes"?

A: Direct substitutes maintain identical physical dimensions to the original part. Similar substitutes meet all electrical specifications and lead spacing but feature different can diameters and heights, potentially requiring PCB footprint verification before implementation.

Q: Why does B41231A5159M000 have a lower lifetime rating?

A: B41231A5159M000 specifies 2000 hours at 85°C compared to 3000 hours for other substitutes. This represents a different design specification from EPCOS - TDK Electronics. Applications requiring the full 3000-hour lifetime should select alternatives with matching lifetime ratings.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All active substitute parts listed are ROHS3 compliant. The original ECO-S1EP153BA (obsolete) does not specify RoHS status.

Q: What is the significance of ESR (Equivalent Series Resistance) in capacitor selection?

A: ESR affects ripple current handling and heat generation. The original part specifies 39 mOhm at 120Hz. Substitute parts specify 40 mOhm, representing a 2.6% increase. This marginal difference is acceptable for general-purpose applications. Applications with strict ESR requirements should verify ripple current specifications against system design parameters.

Q: Can parts with different diameters be used interchangeably on the same PCB?

A: No. Physical dimensions must match the PCB footprint. Parts with different diameters (22.00 mm, 25.00 mm, or 30.00 mm) require corresponding footprint modifications. Verify available PCB space before selecting dimensional variants.

Q: What is the REACH status of these parts?

A: The original ECO-S1EP153BA is REACH Affected. All active substitute parts are REACH Unaffected, indicating compliance with current REACH regulations.

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