ECO-S2DA331CA Equivalent & Substitute Parts

Part Overview

The ECO-S2DA331CA is a 330 µF, 200 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 design support and production continuity. The part operates across a temperature range of -40°C to 105°C with a rated lifetime of 3000 hours at 105°C, serving general-purpose applications requiring stable capacitance and low equivalent series resistance.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	200 V
Tolerance	±20%
Package Type	Radial, Can - Snap-In
Mounting Type	Through Hole
Lead Spacing	0.394" (10.00 mm)
Operating Temperature Range	-40°C to 105°C
Polarization	Polar
Lifetime @ 105°C	3000 Hours

Substitute Part Grouping Explanation

Substitution for the ECO-S2DA331CA is determined by strict adherence to the following electrical and mechanical parameters:

Direct Substitutes maintain identical specifications:

Capacitance: 330 µF
Voltage Rating: 200 V
Tolerance: ±20%
Package: Radial, Can - Snap-In
Lead Spacing: 0.394" (10.00 mm)
Operating Temperature: -40°C to 105°C
Polarization: Polar

Upgrade Substitutes provide higher voltage rating (250 V) while maintaining all other core parameters. These are suitable for applications where the original 200 V rating is sufficient, as 250 V rated components operate safely at lower voltage levels.

The following parts qualify as direct substitutes: B43254B2337M, LGR2D331MELA25, and LGU2D331MELA.

The following parts qualify as upgrade substitutes with 250 V rating: B43508F2337M, B43508F2337M2, B43508F2337M60, B43508F2337M62, B43508F2337M67, B43508F2337M7, and B43508F2337M80.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ 105°C	Lead Spacing	Size (Diameter)	Height (Max)	Product Status
ECO-S2DA331CA	Panasonic	330 µF	200 V	±20%	3000 Hrs	0.394" (10.00 mm)	0.984" (25.00 mm)	1.063" (27.00 mm)	Obsolete
B43254B2337M	EPCOS - TDK Electronics	330 µF	200 V	±20%	3000 Hrs	0.394" (10.00 mm)	1.000" (25.40 mm)	1.063" (27.00 mm)	Active
LGR2D331MELA25	Nichicon	330 µF	200 V	±20%	10000 Hrs	0.394" (10.00 mm)	0.984" (25.00 mm)	1.063" (27.00 mm)	Active
LGU2D331MELA	Nichicon	330 µF	200 V	±20%	3000 Hrs	0.394" (10.00 mm)	0.984" (25.00 mm)	0.984" (25.00 mm)	Active
B43508F2337M	EPCOS - TDK Electronics	330 µF	250 V	±20%	3000 Hrs	0.394" (10.00 mm)	0.984" (25.00 mm)	1.063" (27.00 mm)	Active
B43508F2337M2	EPCOS - TDK Electronics	330 µF	250 V	±20%	3000 Hrs	0.394" (10.00 mm)	0.984" (25.00 mm)	1.063" (27.00 mm)	Active
B43508F2337M60	EPCOS - TDK Electronics	330 µF	250 V	±20%	3000 Hrs	0.394" (10.00 mm)	0.984" (25.00 mm)	1.063" (27.00 mm)	Active
B43508F2337M62	EPCOS - TDK Electronics	330 µF	250 V	±20%	3000 Hrs	0.394" (10.00 mm)	0.984" (25.00 mm)	1.063" (27.00 mm)	Active
B43508F2337M67	EPCOS - TDK Electronics	330 µF	250 V	±20%	3000 Hrs	0.394" (10.00 mm)	0.984" (25.00 mm)	1.063" (27.00 mm)	Active
B43508F2337M7	EPCOS - TDK Electronics	330 µF	250 V	±20%	3000 Hrs	0.394" (10.00 mm)	0.984" (25.00 mm)	1.063" (27.00 mm)	Active
B43508F2337M80	EPCOS - TDK Electronics	330 µF	250 V	±20%	3000 Hrs	0.394" (10.00 mm)	0.984" (25.00 mm)	1.071" (27.20 mm)	Active

Engineering Selection Recommendations

Direct Substitutes (200 V Rating):

B43254B2337M (EPCOS - TDK Electronics) is an active product with ROHS3 compliance. Mechanical dimensions are compatible with identical lead spacing and height within tolerance. This part is suitable for direct replacement in applications requiring 200 V operation.

LGR2D331MELA25 (Nichicon) is an active product with ROHS3 compliance and extended lifetime of 10000 hours at 105°C compared to the original 3000 hours. Mechanical dimensions match the original part exactly. This part provides enhanced reliability for long-term applications.

LGU2D331MELA (Nichicon) is an active product with ROHS3 compliance and 3000-hour lifetime matching the original specification. Height dimension is reduced to 0.984" (25.00 mm), providing a more compact form factor while maintaining all electrical parameters and lead spacing.

Upgrade Substitutes (250 V Rating):

The B43508F2337M series (EPCOS - TDK Electronics) comprises seven variants with identical electrical specifications and mechanical compatibility. All are active products with ROHS3 compliance. The 250 V rating provides margin above the original 200 V specification. B43508F2337M80 has a marginally increased height of 1.071" (27.20 mm) compared to 1.063" (27.00 mm) on other variants in this series.

Frequently Asked Questions (FAQ)

Q: Can I use a 250 V rated capacitor in place of a 200 V rated capacitor?

A: Yes. A 250 V rated capacitor operates safely at 200 V. The higher voltage rating provides additional safety margin and does not affect circuit performance when the applied voltage remains at or below 200 V.

Q: What is the significance of the lead spacing parameter?

A: Lead spacing of 0.394" (10.00 mm) is a critical mechanical parameter for through-hole mounting. All substitute parts maintain this spacing, ensuring compatibility with existing PCB layouts and snap-in mounting hardware without modification.

Q: How do capacitor lifetime ratings affect part selection?

A: Lifetime rating indicates the expected operational duration at maximum rated temperature (105°C). LGR2D331MELA25 offers 10000 hours compared to 3000 hours for other parts. Extended lifetime is beneficial for applications requiring long service intervals or operating in high-temperature environments.

Q: Are there dimensional differences between substitute parts?

A: Minor dimensional variations exist. LGU2D331MELA has a reduced height of 0.984" (25.00 mm) versus 1.063" (27.00 mm) on most other parts. B43254B2337M has a slightly larger diameter of 1.000" (25.40 mm) versus 0.984" (25.00 mm). These variations are within standard mechanical tolerances for snap-in can packages and do not affect electrical performance or mounting compatibility.

Q: What compliance certifications apply to these parts?

A: All active substitute parts carry ROHS3 compliance. The original ECO-S2DA331CA is REACH Affected; all substitute parts are REACH Unaffected. All parts are classified under ECCN EAR99 and HTSUS 8532.22.0040.

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