ECO-S2WB151DA Equivalent & Substitute Parts

Part Overview

The ECO-S2WB151DA is a 150 µF, 450 V aluminum electrolytic capacitor manufactured by Panasonic Electronic Components in the TS-HB series. This component is classified as obsolete, making equivalent substitutes necessary for ongoing production and maintenance applications. The part features radial, can-style snap-in construction with through-hole mounting, designed for general-purpose applications requiring 450 V rated voltage and 150 µF capacitance with ±20% tolerance.

Key Parameters

Parameter	Value
Capacitance	150 µF
Voltage Rating	450 V
Tolerance	±20%
Package Type	Radial, Can - Snap-In
Mounting Type	Through Hole
Lead Spacing	0.394" (10.00 mm)
Operating Temperature Range	-25°C to 105°C
Polarization	Polar
Lifetime @ Temperature	3000 Hrs @ 105°C

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict equivalence across the following parameters:

Capacitance: 150 µF (exact match required)
Voltage Rating: 450 V (exact match required)
Tolerance: ±20% (exact match required)
Package Type: Radial, Can - Snap-In (exact match required)
Mounting Type: Through Hole (exact match required)
Lead Spacing: 0.394" (10.00 mm) (exact match required)
Operating Temperature Range: -25°C to 105°C (minimum requirement)
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 lifetime ratings (3000 Hrs @ 105°C or greater).

Similar Parts: Parts meeting all core electrical and mechanical parameters but with different voltage ratings or lifetime specifications, suitable only when application requirements permit.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lead Spacing	Size (Dia)	Height (Max)	Lifetime @ 105°C	Product Status	RoHS Status
ECO-S2WB151DA	Panasonic	150 µF	450 V	±20%	0.394" (10.00 mm)	1.181" (30.00 mm)	1.181" (30.00 mm)	3000 Hrs	Obsolete	REACH Affected
381LX151M450K022	Cornell Dubilier Electronics	150 µF	450 V	±20%	0.394" (10.00 mm)	1.181" (30.00 mm)	1.260" (32.00 mm)	3000 Hrs	Active	ROHS3 Compliant
450HXG150MEFC30X25	Rubycon	150 µF	450 V	±20%	0.394" (10.00 mm)	1.181" (30.00 mm)	1.063" (27.00 mm)	3000 Hrs	Active	ROHS3 Compliant
450MXG150MEFCSN30X25	Rubycon	150 µF	450 V	±20%	0.394" (10.00 mm)	1.181" (30.00 mm)	1.063" (27.00 mm)	3000 Hrs	Active	ROHS3 Compliant
450VXG150MEFC30X25	Rubycon	150 µF	450 V	±20%	0.394" (10.00 mm)	1.181" (30.00 mm)	1.063" (27.00 mm)	5000 Hrs	Active	ROHS3 Compliant
450VXG150MEFCSN30X25	Rubycon	150 µF	450 V	±20%	0.394" (10.00 mm)	1.181" (30.00 mm)	1.063" (27.00 mm)	5000 Hrs	Active	ROHS3 Compliant
B43508C5157M	EPCOS - TDK Electronics	150 µF	450 V	±20%	0.394" (10.00 mm)	1.181" (30.00 mm)	1.063" (27.00 mm)	3000 Hrs	Active	ROHS3 Compliant
LGU2W151MELA	Nichicon	150 µF	450 V	±20%	0.394" (10.00 mm)	0.984" (25.00 mm)	1.378" (35.00 mm)	3000 Hrs	Active	ROHS3 Compliant
LGW2W151MELB25	Nichicon	150 µF	450 V	±20%	0.394" (10.00 mm)	1.181" (30.00 mm)	0.984" (25.00 mm)	3000 Hrs	Active	ROHS3 Compliant
381LQ151M450J022	Cornell Dubilier Electronics	150 µF	450 V	±20%	0.394" (10.00 mm)	0.984" (25.00 mm)	1.260" (32.00 mm)	2000 Hrs	Active	ROHS3 Compliant
315KXF150MEFC30X20	Rubycon	150 µF	315 V	±20%	0.394" (10.00 mm)	1.181" (30.00 mm)	0.866" (22.00 mm)	3000 Hrs	Active	ROHS3 Compliant

Engineering Selection Recommendations

Direct Substitutes (Recommended for ECO-S2WB151DA Replacement):

The following parts are active, ROHS3 compliant, and meet all electrical and mechanical specifications of the obsolete ECO-S2WB151DA:

381LX151M450K022 (Cornell Dubilier Electronics): Active status, 3000 Hrs @ 105°C lifetime, ROHS3 compliant. Height exceeds original by 0.079" (2.00 mm).
450HXG150MEFC30X25 (Rubycon): Active status, 3000 Hrs @ 105°C lifetime, ROHS3 compliant. Height reduced by 0.118" (3.00 mm).
450MXG150MEFCSN30X25 (Rubycon): Active status, 3000 Hrs @ 105°C lifetime, ROHS3 compliant. Height reduced by 0.118" (3.00 mm).
450VXG150MEFC30X25 (Rubycon): Active status, 5000 Hrs @ 105°C lifetime (extended), ROHS3 compliant. Height reduced by 0.118" (3.00 mm).
450VXG150MEFCSN30X25 (Rubycon): Active status, 5000 Hrs @ 105°C lifetime (extended), ROHS3 compliant. Height reduced by 0.118" (3.00 mm).
B43508C5157M (EPCOS - TDK Electronics): Active status, 3000 Hrs @ 105°C lifetime, ROHS3 compliant. Height reduced by 0.118" (3.00 mm).
LGU2W151MELA (Nichicon): Active status, 3000 Hrs @ 105°C lifetime, ROHS3 compliant. Diameter reduced by 0.197" (5.00 mm), height increased by 0.197" (5.00 mm).
LGW2W151MELB25 (Nichicon): Active status, 3000 Hrs @ 105°C lifetime, ROHS3 compliant. Height reduced by 0.197" (5.00 mm).

Conditional Substitutes:

381LQ151M450J022 (Cornell Dubilier Electronics): Active status, ROHS3 compliant. Lifetime reduced to 2000 Hrs @ 105°C (1000 Hrs less than original). Suitable only when application permits reduced lifetime. Diameter reduced by 0.197" (5.00 mm), height increased by 0.079" (2.00 mm).

Similar Parts (Voltage Derating Required):

315KXF150MEFC30X20 (Rubycon): Active status, ROHS3 compliant, 3000 Hrs @ 105°C lifetime. Voltage rating reduced to 315 V. Not suitable as direct replacement; use only when application voltage requirement is 315 V or lower.

Frequently Asked Questions (FAQ)

Q: Can I use 381LQ151M450J022 as a direct replacement for ECO-S2WB151DA?

A: 381LQ151M450J022 meets all electrical and mechanical specifications but has a reduced lifetime of 2000 Hrs @ 105°C compared to the original 3000 Hrs @ 105°C. Use this part only if your application permits the reduced lifetime rating.

Q: What is the difference between the Rubycon HXG, MXG, and VXG series substitutes?

A: All three series meet the core electrical and mechanical requirements. The VXG series (450VXG150MEFC30X25 and 450VXG150MEFCSN30X25) offer extended lifetime of 5000 Hrs @ 105°C. The HXG and MXG series provide 3000 Hrs @ 105°C. Height dimensions are identical across all three series at 1.063" (27.00 mm).

Q: Does the height difference between substitutes affect PCB layout?

A: Yes. The original ECO-S2WB151DA has a seated height of 1.181" (30.00 mm). Rubycon and EPCOS substitutes reduce this to 1.063" (27.00 mm), a reduction of 0.118" (3.00 mm). Cornell Dubilier 381LX151M450K022 increases height to 1.260" (32.00 mm), an increase of 0.079" (2.00 mm). Nichicon LGU2W151MELA increases height to 1.378" (35.00 mm). Verify PCB clearance before selection.

Q: Are all substitute parts RoHS compliant?

A: All active substitute parts listed are ROHS3 compliant. The original ECO-S2WB151DA is marked as REACH Affected. All substitute parts are REACH Unaffected or have REACH Unaffected status, providing improved regulatory compliance.

Q: Can I use 315KXF150MEFC30X20 in place of ECO-S2WB151DA?

A: No. The 315KXF150MEFC30X20 has a reduced voltage rating of 315 V versus the required 450 V. Use this part only if your application circuit operates at 315 V or lower.

Q: What is the difference between snap-in and other mounting styles?

A: All listed parts use snap-in construction with radial leads and 0.394" (10.00 mm) lead spacing, matching the original ECO-S2WB151DA. This ensures mechanical compatibility with existing PCB footprints designed for snap-in through-hole mounting.

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