ECO-S1CP273CA Equivalent & Substitute Parts

Part Overview

The ECO-S1CP273CA is a 27000 µF, 16 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 85°C with a 3000-hour lifetime rating at 85°C, suitable for general-purpose applications requiring high-capacitance energy storage.

Key Parameters

Parameter	Value
Capacitance	27000 µF
Voltage Rating	16 V
Tolerance	±20%
ESR @ 120Hz	31 mOhm
Lifetime @ 85°C	3000 Hours
Operating Temperature Range	-40°C to 85°C
Lead Spacing	0.394" (10.00 mm)
Package Type	Radial, Can - Snap-In
Mounting Type	Through Hole

Substitute Part Grouping Explanation

Substitute parts for the ECO-S1CP273CA are classified into three categories based on electrical and mechanical compatibility:

Direct Manufacturer Equivalent (SLPX273M016C4P3): Identical capacitance, voltage rating, tolerance, and lead spacing. ESR is lower at 25 mOhm versus 31 mOhm. Physical dimensions differ slightly (height 1.772" vs. 1.850"). Manufacturer status is active with ROHS3 compliance.

Similar Alternatives (SLPX273M016E5P3, SLPX273M016H3P3): Share identical electrical specifications (27000 µF, 16 V, ±20%, 25 mOhm ESR, 3000 Hrs @ 85°C) and lead spacing. Physical dimensions vary to accommodate different board layouts. Both are active products with ROHS3 compliance.

Parametric Equivalents (380LX273M016J452, LLS1C273MELA): Match the original part's capacitance, voltage, tolerance, and lifetime rating. ESR and ripple current characteristics align with the main part specifications. Both are active products with full compliance certifications.

Substitution eligibility is determined by: capacitance value, voltage rating, tolerance band, lead spacing, package type (radial snap-in), and mounting configuration (through-hole). All listed substitutes maintain these core parameters.

Parameter Comparison

Parameter	ECO-S1CP273CA (Panasonic)	SLPX273M016C4P3 (CDE)	SLPX273M016E5P3 (CDE)	SLPX273M016H3P3 (CDE)	380LX273M016J452 (CDE)	LLS1C273MELA (Nichicon)
Capacitance	27000 µF	27000 µF	27000 µF	27000 µF	27000 µF	27000 µF
Voltage Rating	16 V	16 V	16 V	16 V	16 V	16 V
Tolerance	±20%	±20%	±20%	±20%	±20%	±20%
ESR @ 120Hz	31 mOhm	25 mOhm	25 mOhm	25 mOhm	31 mOhm	Not specified
Lifetime @ 85°C	3000 Hrs	3000 Hrs	3000 Hrs	3000 Hrs	3000 Hrs	3000 Hrs
Operating Temperature	-40°C to 85°C	-40°C to 85°C	-40°C to 85°C	-40°C to 85°C	-40°C to 85°C	-40°C to 85°C
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)
Can Diameter	0.984" (25.00 mm)	0.984" (25.00 mm)	1.181" (30.00 mm)	1.378" (35.00 mm)	0.984" (25.00 mm)	0.984" (25.00 mm)
Height (Seated Max)	1.850" (47.00 mm)	1.772" (45.00 mm)	1.378" (35.00 mm)	1.181" (30.00 mm)	1.850" (47.00 mm)	1.850" (47.00 mm)
Product Status	Obsolete	Active	Active	Active	Active	Active
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

SLPX273M016C4P3 is the primary direct equivalent, offering active product status, ROHS3 compliance, and identical physical footprint to the original ECO-S1CP273CA. Lower ESR (25 mOhm) provides improved performance characteristics. Recommended for direct replacement in existing designs.

SLPX273M016E5P3 and SLPX273M016H3P3 are suitable alternatives when board layout permits dimensional variation. Both maintain electrical equivalence with improved ESR performance. Selection depends on available PCB space for the larger can diameters.

380LX273M016J452 matches the original part's ESR specification (31 mOhm) and physical dimensions, providing functional equivalence with active product status and ROHS3 compliance. Suitable for applications requiring ESR consistency with the original design.

LLS1C273MELA from Nichicon provides parametric equivalence with active status and ROHS3 compliance. ESR data is not specified; electrical performance should be confirmed for applications sensitive to series resistance characteristics.

All substitute parts maintain compliance with ECCN EAR99 and HTSUS 8532.22.0040 classifications.

Frequently Asked Questions (FAQ)

Q: Can SLPX273M016E5P3 or SLPX273M016H3P3 be used if the original ECO-S1CP273CA has space constraints?

A: These parts have larger can diameters (30 mm and 35 mm respectively versus 25 mm) but shorter heights. Board layout must accommodate the increased diameter. Lead spacing remains identical at 10 mm.

Q: What is the significance of ESR differences between substitute parts?

A: ESR affects ripple current handling and heat generation. The original part and 380LX273M016J452 both specify 31 mOhm ESR. SLPX variants specify 25 mOhm, resulting in lower impedance and improved thermal performance. Selection depends on circuit requirements for ripple current capacity.

Q: Are all substitute parts suitable for the same operating temperature range?

A: Yes. All listed substitutes operate across -40°C to 85°C with 3000-hour lifetime ratings at 85°C, matching the original specification.

Q: What compliance certifications apply to substitute selection?

A: All active substitute parts are ROHS3 compliant and REACH unaffected (except the original obsolete part). ECCN and HTSUS classifications are identical across all parts.

Q: Does the lower height of SLPX273M016H3P3 affect electrical performance?

A: No. Height variation results from different can geometry but does not alter capacitance, voltage rating, tolerance, or lead spacing. Electrical performance is determined by the specified parameters, not physical height.

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