Nichicon PCG0E561MCL1GS Equivalent & Substitute Parts

Part Overview

The Nichicon PCG0E561MCL1GS is a 560 µF, 2.5 V aluminum polymer capacitor in surface mount radial can package. This component is designed for general purpose applications requiring stable capacitance and low equivalent series resistance in compact form factors. The part is currently active in production with full RoHS3 and REACH compliance. Substitute parts may be required due to inventory availability, lead time constraints, or specific application requirements related to ESR performance or ripple current handling.

Key Parameters

Parameter	Value
Capacitance	560 µF
Voltage Rating	2.5 V
Tolerance	±20%
Type	Aluminum Polymer
ESR (Equivalent Series Resistance)	20 mOhm
Lifetime @ Temperature	2000 Hrs @ 105°C
Operating Temperature Range	-55°C to 105°C
Ripple Current @ 100 kHz	3 A
Package Type	Radial, Can - SMD
Mounting Type	Surface Mount

Substitute Part Grouping Explanation

Substitution eligibility for the PCG0E561MCL1GS is determined by the following critical parameters:

Capacitance Value: 560 µF (exact match required)
Voltage Rating: 2.5 V (exact match required)
Tolerance: ±20% (exact match required)
Type: Aluminum Polymer (exact match required)
Package: Radial, Can - SMD (exact match required)
Mounting: Surface Mount (exact match required)
Operating Temperature Range: -55°C to 105°C (exact match required)
Lifetime Rating: 2000 Hrs @ 105°C (exact match required)

The substitute part PCK0E561MCO1GS meets all mandatory substitution criteria. Variations in ESR (20 mOhm vs. 9 mOhm), ripple current capability (3 A vs. 4.5 A @ 100 kHz), and physical dimensions represent performance enhancements rather than compatibility restrictions. The substitute part operates within the same electrical and thermal specifications while offering improved current handling characteristics.

Parameter Comparison

Parameter	PCG0E561MCL1GS	PCK0E561MCO1GS	Match Status
Manufacturer	Nichicon	Nichicon	Match
Capacitance	560 µF	560 µF	Match
Voltage Rating	2.5 V	2.5 V	Match
Tolerance	±20%	±20%	Match
Type	Aluminum Polymer	Aluminum Polymer	Match
ESR @ 100 kHz	20 mOhm	9 mOhm	Substitute Lower
Lifetime @ Temperature	2000 Hrs @ 105°C	2000 Hrs @ 105°C	Match
Operating Temperature	-55°C to 105°C	-55°C to 105°C	Match
Ripple Current @ 100 kHz	3 A	4.5 A	Substitute Higher
Size / Dimension	0.248" Dia (6.30 mm)	0.315" Dia (8.00 mm)	Substitute Larger
Height - Seated (Max)	0.236" (6.00 mm)	0.276" (7.00 mm)	Substitute Taller
Surface Mount Land Size	0.260" L x 0.260" W (6.60 mm x 6.60 mm)	0.327" L x 0.327" W (8.30 mm x 8.30 mm)	Substitute Larger
Package / Case	Radial, Can - SMD	Radial, Can - SMD	Match
RoHS Status	RoHS3 Compliant	RoHS3 Compliant	Match
REACH Status	REACH Affected	REACH Affected	Match
Product Status	Active	Active	Match

Engineering Selection Recommendations

Both PCG0E561MCL1GS and PCK0E561MCO1GS are active production components with identical RoHS3 and REACH compliance status. Selection between these parts depends on application-specific requirements:

PCG0E561MCL1GS is appropriate for applications where PCB space is constrained and the 20 mOhm ESR specification meets ripple current demands at 3 A @ 100 kHz.

PCK0E561MCO1GS is appropriate for applications requiring lower ESR (9 mOhm) or higher ripple current handling (4.5 A @ 100 kHz). This part requires larger PCB footprint accommodation due to increased physical dimensions.

Both parts maintain identical electrical performance in terms of capacitance value, voltage rating, tolerance, temperature range, and lifetime rating. The choice between them is determined by available PCB real estate and ripple current requirements specific to the circuit design.

Frequently Asked Questions (FAQ)

Q: Can PCK0E561MCO1GS replace PCG0E561MCL1GS in any application?

A: PCK0E561MCO1GS is electrically compatible with PCG0E561MCL1GS for all applications requiring 560 µF at 2.5 V with ±20% tolerance. However, the substitute part has larger physical dimensions (0.315" diameter vs. 0.248" diameter) and greater height (0.276" vs. 0.236"). PCB layout must accommodate these dimensional differences.

Q: What is the significance of the lower ESR in PCK0E561MCO1GS?

A: The 9 mOhm ESR in PCK0E561MCO1GS compared to 20 mOhm in PCG0E561MCL1GS indicates lower internal resistance. This results in reduced heat generation and improved performance in applications with high ripple current demands. The substitute part supports 4.5 A @ 100 kHz versus 3 A @ 100 kHz for the original part.

Q: Are there any compliance or certification differences between these parts?

A: No. Both parts are RoHS3 compliant and REACH affected. Both maintain identical regulatory status and are suitable for applications with equivalent compliance requirements.

Q: What factors should determine which part to use?

A: Selection is based on three factors: (1) available PCB footprint space, (2) ripple current requirements in the application, and (3) ESR performance needs. If PCB space is limited and 3 A ripple current is sufficient, use PCG0E561MCL1GS. If higher ripple current handling or lower ESR is required and space permits, use PCK0E561MCO1GS.

Q: Can these parts be used interchangeably on the same PCB design?

A: No. The different physical dimensions require separate PCB layouts. The larger footprint of PCK0E561MCO1GS (8.30 mm x 8.30 mm land size vs. 6.60 mm x 6.60 mm) necessitates design modification if substitution is required.

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