ECO-S1EP472BA Equivalent & Substitute Parts

Part Overview

The ECO-S1EP472BA is a 4700 µF, 25 V aluminum electrolytic capacitor in radial, can snap-in package manufactured by Panasonic Electronic Components. This component is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing system support and procurement planning. 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 stable capacitance and low equivalent series resistance.

Key Parameters

Parameter	Value
Capacitance	4700 µF
Voltage Rating	25 V
Tolerance	±20%
ESR @ 120Hz	113 mOhm
Lifetime @ Temperature	3000 Hrs @ 85°C
Operating Temperature Range	-40°C ~ 85°C
Package Type	Radial, Can - Snap-In
Lead Spacing	0.394" (10.00mm)
Diameter	0.866" (22.00mm)
Height (Seated Max)	0.984" (25.00mm)
Mounting Type	Through Hole
Polarization	Polar

Substitute Part Grouping Explanation

Substitution of the ECO-S1EP472BA is determined by strict equivalence across the following parameters:

Capacitance value: 4700 µF (exact match required)
Voltage rating: 25 V (exact match required)
Tolerance: ±20% (exact match required)
Package type: Radial, Can - Snap-In (exact match required)
Lead spacing: 0.394" (10.00mm) (exact match required)
Physical dimensions: 0.866" Dia × 0.984" Height (exact match required)
Mounting type: Through Hole (exact match required)
Polarization: Polar (exact match required)

The substitute part SLP472M025A1P3 manufactured by Cornell Dubilier Electronics (CDE) meets all these criteria. Variations in ESR, ripple current ratings, and operating temperature range do not disqualify substitution when the core electrical and mechanical parameters align.

Parameter Comparison

Parameter	ECO-S1EP472BA (Panasonic)	SLP472M025A1P3 (CDE)
Capacitance	4700 µF	4700 µF
Voltage Rating	25 V	25 V
Tolerance	±20%	±20%
ESR @ 120Hz	113 mOhm	127 mOhm
Lifetime @ Temperature	3000 Hrs @ 85°C	3000 Hrs @ 105°C
Operating Temperature Range	-40°C ~ 85°C	-40°C ~ 105°C
Ripple Current @ 120Hz	2.39 A	2 A
Ripple Current @ High Frequency	2.749 A @ 100 kHz	2.5 A @ 20 kHz
Lead Spacing	0.394" (10.00mm)	0.394" (10.00mm)
Diameter	0.866" (22.00mm)	0.866" (22.00mm)
Height (Seated Max)	0.984" (25.00mm)	0.984" (25.00mm)
Package Type	Radial, Can - Snap-In	Radial, Can - Snap-In
Mounting Type	Through Hole	Through Hole
Polarization	Polar	Polar
Product Status	Obsolete	Active
RoHS Status	Not specified	ROHS3 Compliant
REACH Status	REACH Affected	REACH Unaffected

Engineering Selection Recommendations

The SLP472M025A1P3 from Cornell Dubilier Electronics is a direct functional equivalent to the obsolete ECO-S1EP472BA. Both components share identical capacitance, voltage rating, tolerance, and physical dimensions, ensuring mechanical and electrical compatibility in through-hole applications.

The SLP472M025A1P3 offers the advantage of active product status, ensuring continued availability and supply chain stability. The component carries ROHS3 compliance and REACH unaffected status, providing regulatory advantages over the original part. The extended operating temperature range (-40°C to 105°C versus -40°C to 85°C) and higher temperature lifetime rating (3000 Hrs @ 105°C) provide enhanced thermal performance margins in applications approaching the upper temperature limits.

Minor differences in ESR and ripple current specifications fall within acceptable substitution parameters for general-purpose applications. Selection should be based on specific circuit requirements regarding ripple current handling and thermal operating conditions.

Frequently Asked Questions (FAQ)

Q: Can SLP472M025A1P3 be used as a direct replacement for ECO-S1EP472BA?

A: Yes. Both components share identical capacitance (4700 µF), voltage rating (25 V), tolerance (±20%), package type (Radial, Can - Snap-In), lead spacing (10.00mm), and physical dimensions (22.00mm diameter × 25.00mm height). Through-hole mounting compatibility is confirmed.

Q: What are the differences between these two parts?

A: The primary differences are ESR (113 mOhm versus 127 mOhm @ 120Hz), operating temperature range (-40°C to 85°C versus -40°C to 105°C), and product status (obsolete versus active). The SLP472M025A1P3 also carries ROHS3 compliance and REACH unaffected certification.

Q: Are there any compatibility concerns with the package?

A: No. Both components use identical snap-in can packages with matching lead spacing and physical dimensions. PCB layout and mounting hardware remain unchanged.

Q: Which part should be selected for new designs?

A: The SLP472M025A1P3 should be selected for new designs due to active product status, regulatory compliance, and extended thermal performance specifications.

Q: Is the higher ESR of the substitute part a concern?

A: ESR differences of 14 mOhm are negligible for general-purpose applications. Circuit-specific ripple current and thermal requirements should be evaluated against the provided specifications for each component.

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