ECO-S2EB471DA Equivalent & Substitute Parts

Part Overview

The ECO-S2EB471DA is a 470 µF, 250 V aluminum electrolytic capacitor manufactured by Panasonic Electronic Components in the TS-HB series. This radial, can-style snap-in capacitor is designed for general-purpose applications with a rated lifetime of 3000 hours at 105°C and an operating temperature range of -40°C to 105°C. The part is currently obsolete, making equivalent substitutes necessary for ongoing system support and new production requirements.

Key Parameters

Parameter	Value
Capacitance	470 µF
Voltage Rating	250 V
Tolerance	±20%
Package Type	Radial, Can - Snap-In
Mounting Type	Through Hole
Lead Spacing	0.394" (10.00mm)
Lifetime @ Temperature	3000 Hrs @ 105°C
Operating Temperature Range	-40°C ~ 105°C
Polarization	Polar
Application	General Purpose

Substitute Part Grouping Explanation

Substitution for the ECO-S2EB471DA is determined by strict adherence to the following electrical and mechanical parameters:

Critical Parameters (Must Match):

Capacitance: 470 µF
Voltage Rating: 250 V
Tolerance: ±20%
Polarization: Polar
Lead Spacing: 0.394" (10.00mm)
Package Type: Radial, Can - Snap-In
Mounting Type: Through Hole
Operating Temperature Range: -40°C ~ 105°C

Compatible Parameters (Within Acceptable Variation):

Lifetime @ 105°C: 3000 hours minimum
Physical dimensions (diameter and height): Variations permitted within snap-in mechanical compatibility
ESR and ripple current specifications: Variations permitted based on application requirements

Substitute parts are classified as either Direct or Similar based on dimensional alignment with the original part's 1.181" diameter and 1.181" maximum seated height.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Diameter	Height (Max)	Lifetime @ 105°C	Product Status	RoHS Status
ECO-S2EB471DA	Panasonic	470 µF	250 V	±20%	1.181" (30mm)	1.181" (30mm)	3000 Hrs	Obsolete	REACH Affected
381LX471M250K022	Cornell Dubilier Electronics	470 µF	250 V	±20%	1.181" (30mm)	1.260" (32mm)	3000 Hrs	Active	ROHS3 Compliant
B43508G2477M	EPCOS - TDK Electronics	470 µF	250 V	±20%	1.181" (30mm)	1.063" (27mm)	3000 Hrs	Active	ROHS3 Compliant
LGN2E471MELB25	Nichicon	470 µF	250 V	±20%	1.181" (30mm)	1.063" (27mm)	3000 Hrs	Active	ROHS3 Compliant
LGW2E471MELB25	Nichicon	470 µF	250 V	±20%	1.181" (30mm)	0.984" (25mm)	3000 Hrs	Active	ROHS3 Compliant
381LR471M250J032	Cornell Dubilier Electronics	470 µF	250 V	±20%	0.984" (25mm)	1.457" (37mm)	3000 Hrs	Active	ROHS3 Compliant
381LR471M250K022	Cornell Dubilier Electronics	470 µF	250 V	±20%	1.181" (30mm)	1.260" (32mm)	3000 Hrs	Active	ROHS3 Compliant
381LX471M250H052	Cornell Dubilier Electronics	470 µF	250 V	±20%	0.866" (22mm)	2.047" (52mm)	3000 Hrs	Active	ROHS3 Compliant
B43504B2477M000	EPCOS - TDK Electronics	470 µF	250 V	±20%	1.181" (30mm)	1.260" (32mm)	3000 Hrs	Not For New Designs	ROHS3 Compliant
LP471M250E7P3	Cornell Dubilier Electronics	470 µF	250 V	±20%	1.181" (30mm)	1.575" (40mm)	1000 Hrs	Active	ROHS3 Compliant
LP471M250H1P3	Cornell Dubilier Electronics	470 µF	250 V	±20%	1.378" (35mm)	0.984" (25mm)	1000 Hrs	Active	ROHS3 Compliant

Engineering Selection Recommendations

Direct Substitutes (Preferred for Retrofit Applications):

381LX471M250K022, B43508G2477M, LGN2E471MELB25, and LGW2E471MELB25 are active production parts with ROHS3 compliance and 3000-hour lifetime ratings matching the original specification. These parts maintain the 10mm lead spacing and 250V rating required for direct board-level compatibility. 381LX471M250K022 and LGW2E471MELB25 offer the closest dimensional profiles for existing PCB layouts.

Similar Substitutes (Dimensional Variations):

381LR471M250J032, 381LR471M250K022, 381LX471M250H052, B43504B2477M000, LP471M250E7P3, and LP471M250H1P3 maintain electrical equivalence but feature dimensional variations in diameter and/or height. These parts are suitable for applications where PCB layout permits mechanical accommodation of different can sizes while maintaining the 10mm lead spacing.

Restricted Substitutes:

B43504B2477M000 carries a "Not For New Designs" status and should be used only for legacy system support where no other alternative is available.

LP471M250E7P3 and LP471M250H1P3 feature reduced lifetime ratings of 1000 hours at 105°C compared to the 3000-hour specification. These parts are 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: Yes, provided the 10mm lead spacing is maintained and the snap-in mechanical interface is compatible with your PCB. Verify that the can diameter and height do not interfere with adjacent components or enclosure constraints. Dimensional variations are acceptable within the snap-in form factor.

Q: What is the significance of the "Not For New Designs" status on B43504B2477M000?

A: This designation indicates the manufacturer is phasing out the part. While electrically equivalent and currently in stock, it should be used only for repair and maintenance of existing systems. For new production designs, select from parts with "Active" status.

Q: Are all substitute parts ROHS3 compliant?

A: All listed substitute parts carry ROHS3 compliance. The original ECO-S2EB471DA is marked as REACH Affected, while all active substitutes are REACH Unaffected, providing improved regulatory alignment for new applications.

Q: Why do some parts have 1000-hour lifetime ratings instead of 3000 hours?

A: LP471M250E7P3 and LP471M250H1P3 are designed for applications with lower thermal stress or shorter operational requirements. These parts are electrically equivalent but feature reduced thermal endurance. Use only if your application does not require the full 3000-hour specification at 105°C.

Q: Which substitute offers the best direct replacement for existing PCB layouts?

A: 381LX471M250K022 and LGW2E471MELB25 provide the closest dimensional compatibility with the original part while maintaining active production status and full 3000-hour lifetime ratings. Both are ROHS3 compliant and immediately available.

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