ECO-S2GA101BA Equivalent & Substitute Parts

Part Overview

The ECO-S2GA101BA is a 100 µF, 400 V aluminum electrolytic capacitor in radial, can snap-in package manufactured by Panasonic Electronic Components. This component is classified as obsolete, making equivalent substitute parts necessary for ongoing production and maintenance applications. The part operates across a temperature range of -25°C to 105°C with a 3000-hour lifetime rating at 105°C, suitable for general-purpose power supply and filtering applications in industrial equipment.

Key Parameters

Parameter	Value
Capacitance	100 µF
Voltage Rating	400 V
Tolerance	±20%
Package Type	Radial, Can - Snap-In
Lead Spacing	0.394" (10.00 mm)
Diameter	0.866" (22.00 mm)
Mounting Type	Through Hole
Operating Temperature	-25°C to 105°C
Lifetime @ 105°C	3000 Hours minimum
Polarization	Polar
Applications	General Purpose

Substitute Part Grouping Explanation

Substitution eligibility for the ECO-S2GA101BA is determined by strict compliance with the following parameters:

Capacitance: 100 µF (exact match required)
Voltage Rating: 400 V (exact match required)
Tolerance: ±20% (exact match required)
Package Type: Radial, Can - Snap-In (exact match required)
Lead Spacing: 0.394" (10.00 mm) (exact match required)
Diameter: 0.866" (22.00 mm) (exact match required)
Mounting Type: Through Hole (exact match required)
Operating Temperature Range: -25°C to 105°C minimum (equal or wider range acceptable)
Lifetime @ 105°C: 3000 hours minimum (equal or greater acceptable)

All substitute parts listed below meet these core electrical and mechanical compatibility criteria. Variations in height, ESR, ripple current ratings, and product status are noted but do not disqualify substitution eligibility when core parameters align.

Parameter Comparison

Manufacturer / Part Number	Capacitance	Voltage	Tolerance	Package	Lead Spacing	Diameter	Height (Max)	Lifetime @ 105°C	Operating Temp	Product Status
Panasonic / ECO-S2GA101BA	100 µF	400 V	±20%	Radial, Can - Snap-In	0.394" (10.00 mm)	0.866" (22.00 mm)	1.457" (37.00 mm)	3000 Hrs	-25°C ~ 105°C	Obsolete
Rubycon / 400MXC100MEFCSN22X30	100 µF	400 V	±20%	Radial, Can - Snap-In	0.394" (10.00 mm)	0.866" (22.00 mm)	1.260" (32.00 mm)	3000 Hrs	-25°C ~ 105°C	Not For New Designs
EPCOS - TDK / B43504A9107M000	100 µF	400 V	±20%	Radial, Can - Snap-In	0.394" (10.00 mm)	0.866" (22.00 mm)	1.457" (37.00 mm)	3000 Hrs	-40°C ~ 105°C	Not For New Designs
EPCOS - TDK / B43504A9107M007	100 µF	400 V	±20%	Radial, Can - Snap-In	0.394" (10.00 mm)	0.866" (22.00 mm)	1.457" (37.00 mm)	3000 Hrs	-40°C ~ 105°C	Active
EPCOS - TDK / B43504A9107M60	100 µF	400 V	±20%	Radial, Can - Snap-In	0.394" (10.00 mm)	0.866" (22.00 mm)	1.457" (37.00 mm)	3000 Hrs	-40°C ~ 105°C	Active
EPCOS - TDK / B43504A9107M67	100 µF	400 V	±20%	Radial, Can - Snap-In	0.394" (10.00 mm)	0.866" (22.00 mm)	1.457" (37.00 mm)	3000 Hrs	-40°C ~ 105°C	Active
EPCOS - TDK / B43504A9107M80	100 µF	400 V	±20%	Radial, Can - Snap-In	0.394" (10.00 mm)	0.866" (22.00 mm)	1.465" (37.20 mm)	3000 Hrs	-40°C ~ 105°C	Active
EPCOS - TDK / B43504A9107M87	100 µF	400 V	±20%	Radial, Can - Snap-In	0.394" (10.00 mm)	0.866" (22.00 mm)	1.465" (37.20 mm)	3000 Hrs	-40°C ~ 105°C	Active
Nichicon / LGR2G101MELZ35	100 µF	400 V	±20%	Radial, Can - Snap-In	0.394" (10.00 mm)	0.866" (22.00 mm)	1.457" (37.00 mm)	10000 Hrs	-25°C ~ 105°C	Active
Nichicon / LGU2G101MELZ	100 µF	400 V	±20%	Radial, Can - Snap-In	0.394" (10.00 mm)	0.866" (22.00 mm)	1.181" (30.00 mm)	3000 Hrs	-25°C ~ 105°C	Active
Nichicon / LGW2G101MELZ25	100 µF	400 V	±20%	Radial, Can - Snap-In	0.394" (10.00 mm)	0.866" (22.00 mm)	0.984" (25.00 mm)	3000 Hrs	-25°C ~ 105°C	Active

Engineering Selection Recommendations

All listed substitute parts meet the core electrical and mechanical requirements for direct replacement of the ECO-S2GA101BA. Selection among available substitutes should be based on the following criteria:

Active Product Status Priority: EPCOS - TDK B43504A9107M007, B43504A9107M60, B43504A9107M67, B43504A9107M80, B43504A9107M87, and all Nichicon LGR, LGU, and LGW series parts carry Active product status, indicating ongoing manufacturer support and availability for new designs.

Extended Lifetime Advantage: Nichicon LGR2G101MELZ35 provides 10000-hour lifetime at 105°C, compared to the 3000-hour baseline, offering enhanced reliability for long-term applications.

Compact Form Factor Options: Nichicon LGU2G101MELZ and LGW2G101MELZ25 feature reduced heights (1.181" and 0.984" respectively) compared to the original 1.457", accommodating space-constrained PCB layouts while maintaining all electrical specifications.

Extended Temperature Range: EPCOS - TDK B43504 series parts operate from -40°C to 105°C, providing wider low-temperature performance margin compared to the original -25°C to 105°C range.

RoHS3 Compliance: All substitute parts carry RoHS3 Compliant certification, meeting current environmental and regulatory requirements.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with a different height? A: Yes. Height variation does not affect electrical performance or snap-in mounting compatibility. Verify available PCB clearance for taller variants (1.457" to 1.465") or confirm space savings with compact variants (0.984" to 1.181"). Lead spacing and diameter remain constant across all substitutes.

Q: What is the difference between Active and Not For New Designs product status? A: Active parts are recommended for new designs with ongoing manufacturer support and guaranteed availability. Not For New Designs parts remain functionally equivalent but may have limited future availability. For new production, prioritize Active status parts.

Q: Are all substitutes RoHS compliant? A: Yes. All listed substitute parts carry RoHS3 Compliant certification, meeting current environmental regulations. The original ECO-S2GA101BA does not specify RoHS status.

Q: Can I substitute based on ESR or ripple current differences? A: ESR and ripple current ratings vary among substitutes but do not disqualify substitution. These parameters are application-dependent. Verify that the substitute's ripple current rating meets or exceeds your circuit's requirements. ESR differences may affect thermal performance in high-ripple-current applications.

Q: Is the Nichicon LGR2G101MELZ35 with 10000-hour lifetime a direct replacement? A: Yes. The extended 10000-hour lifetime at 105°C is a performance enhancement over the 3000-hour baseline. All other electrical and mechanical parameters match the original specification, making it a direct, higher-reliability substitute.

Q: What does ±20% tolerance mean for capacitance? A: All parts, including substitutes, have actual capacitance values within ±20% of the 100 µF nominal rating. This tolerance is standard for aluminum electrolytic capacitors and does not affect interchangeability.

Q: Can I use these substitutes in existing equipment designed for the ECO-S2GA101BA? A: Yes, provided the PCB layout accommodates the substitute's physical dimensions. Verify lead spacing (0.394" / 10.00 mm) and diameter (0.866" / 22.00 mm) match your PCB holes. Height variations require clearance verification above the component.

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