ECO-S1KA182BA Equivalent & Substitute Parts

Part Overview

The ECO-S1KA182BA is a 1800 µF, 80 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 system support and new design implementations. 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	1800 µF
Voltage Rating	80 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

Substitute Part Grouping Explanation

Substitution eligibility for the ECO-S1KA182BA is determined by strict adherence to the following parameters:

Capacitance: 1800 µF (exact match required)
Voltage Rating: 80 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: -40°C to 105°C (minimum requirement)
Polarization: Polar (exact match required)

All substitute parts listed meet these core electrical and mechanical parameters. Variations in lifetime rating, ESR specifications, and physical dimensions (height and diameter) are permitted within the constraints of the snap-in package form factor and through-hole mounting compatibility.

Parameter Comparison

Parameter	ECO-S1KA182BA (Panasonic)	B41252A0188M000 (EPCOS)	LGU1K182MELZ (Nichicon)	LGY1K182MELZ35 (Nichicon)	SLP182M080A5P3 (CDE)	SLP182M080C3P3 (CDE)
Capacitance	1800 µF	1800 µF	1800 µF	1800 µF	1800 µF	1800 µF
Voltage Rating	80 V	80 V	80 V	80 V	80 V	80 V
Tolerance	±20%	±20%	±20%	±20%	±20%	±20%
Lead Spacing	0.394" (10.00 mm)	0.394" (10.00 mm)	0.394" (10.00 mm)	0.394" (10.00 mm)	0.394" (10.00 mm)	0.394" (10.00 mm)
Size / Diameter	0.866" (22.00 mm)	0.866" (22.00 mm)	0.866" (22.00 mm)	0.866" (22.00 mm)	0.866" (22.00 mm)	0.984" (25.00 mm)
Height - Seated (Max)	1.654" (42.00 mm)	1.654" (42.00 mm)	1.457" (37.00 mm)	1.457" (37.00 mm)	1.378" (35.00 mm)	1.181" (30.00 mm)
Lifetime @ 105°C	3000 Hrs	2000 Hrs	3000 Hrs	5000 Hrs	3000 Hrs	3000 Hrs
Operating Temperature	-40°C to 105°C	-40°C to 105°C	-40°C to 105°C	-40°C to 105°C	-40°C to 105°C	-40°C to 105°C
Package / Case	Radial, Can - Snap-In	Radial, Can - Snap-In	Radial, Can - Snap-In	Radial, Can - Snap-In	Radial, Can - Snap-In	Radial, Can - Snap-In
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Product Status	Obsolete	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All listed substitute parts meet the core electrical and mechanical requirements for direct replacement of the ECO-S1KA182BA. Selection should be based on the following criteria:

Direct Equivalents (Preferred for Obsolescence Mitigation):

B41252A0188M000 (EPCOS - TDK Electronics): Active product status with ROHS3 compliance. Identical physical dimensions to the original part. Lifetime rating of 2000 hours at 105°C is lower than the original specification.
LGU1K182MELZ (Nichicon): Active product status with ROHS3 compliance. Reduced height (37.00 mm vs. 42.00 mm) allows for compact board layouts. Lifetime rating matches the original at 3000 hours.
LGY1K182MELZ35 (Nichicon): Active product status with ROHS3 compliance. Extended lifetime rating of 5000 hours at 105°C provides enhanced reliability margin. Reduced height (37.00 mm) enables space optimization.

Similar Alternatives (Dimensional Variations):

SLP182M080A5P3 (Cornell Dubilier Electronics): Active product status with ROHS3 compliance. Compact height of 35.00 mm. Identical diameter to original. Lifetime rating of 3000 hours.
SLP182M080C3P3 (Cornell Dubilier Electronics): Active product status with ROHS3 compliance. Most compact form factor with height of 30.00 mm and diameter of 25.00 mm. Lifetime rating of 3000 hours. Physical dimensions differ from original; board layout verification required.

All substitute parts are REACH compliant or unaffected and carry EAR99 classification matching the original component.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with different physical dimensions? A: Yes, provided the lead spacing remains 0.394" (10.00 mm) and the through-hole mounting footprint is compatible. Reduced height variants (LGU1K182MELZ, LGY1K182MELZ35, SLP182M080A5P3, SLP182M080C3P3) allow for more compact board designs. The SLP182M080C3P3 has increased diameter (25.00 mm vs. 22.00 mm); verify clearance in your PCB layout before selection.

Q: What is the difference between direct equivalents and similar alternatives? A: Direct equivalents maintain the original physical dimensions (0.866" diameter, 1.654" height) and are recommended for direct board replacement without layout modifications. Similar alternatives offer reduced heights for space-constrained applications but may require PCB layout verification due to dimensional variations.

Q: Does lifetime rating affect substitution eligibility? A: Lifetime rating does not disqualify a part from substitution. The ECO-S1KA182BA specifies 3000 hours at 105°C. Substitutes with equal or extended lifetime ratings (LGU1K182MELZ at 3000 hours, LGY1K182MELZ35 at 5000 hours) provide equivalent or improved reliability. The B41252A0188M000 with 2000 hours remains electrically compatible but offers reduced thermal endurance.

Q: Are all substitute parts RoHS compliant? A: Yes. All active substitute parts listed carry ROHS3 compliance certification. The original ECO-S1KA182BA does not specify RoHS status due to its obsolete classification.

Q: Can I mix substitute parts in the same design? A: Yes. All listed parts meet identical electrical specifications (1800 µF, 80 V, ±20% tolerance) and through-hole mounting requirements. Physical dimension variations require individual PCB layout verification if multiple part numbers are used in the same assembly.

Q: What is the impact of ESR differences? A: The original ECO-S1KA182BA specifies 111 mOhm ESR at 120 Hz. Cornell Dubilier alternatives (SLP182M080A5P3, SLP182M080C3P3) specify 184 mOhm ESR at 120 Hz. Nichicon parts do not specify ESR. Higher ESR increases heat dissipation in ripple current applications; verify thermal performance requirements for your specific circuit.

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