PCS0G331MCL9GS Equivalent & Substitute Parts

Part Overview

The PCS0G331MCL9GS is a 330 µF, 4 V aluminum polymer capacitor manufactured by Nichicon in the PCS series. This surface mount radial can capacitor is designed for general purpose applications requiring low equivalent series resistance and extended operational life. The part is currently active in production with RoHS3 compliance and REACH affected status. Substitute parts are identified when original stock availability is limited or when alternative performance characteristics better suit specific application requirements while maintaining electrical compatibility.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	4 V
Type	Aluminum Polymer
Tolerance	±20%
ESR (Equivalent Series Resistance)	22 mOhm
Lifetime @ 105°C	5000 Hrs
Operating Temperature Range	-55°C to 105°C
Ripple Current @ 100 kHz	3.2 A
Package Type	Radial, Can - SMD
Mounting Type	Surface Mount
Size / Dimension	0.315" Dia (8.00 mm)
Height - Seated (Max)	0.276" (7.00 mm)
Surface Mount Land Size	0.327" L x 0.327" W (8.30 mm x 8.30 mm)

Substitute Part Grouping Explanation

Substitution eligibility for the PCS0G331MCL9GS is determined by strict equivalence in the following core parameters:

Capacitance: 330 µF (exact match required)
Voltage Rating: 4 V (exact match required)
Tolerance: ±20% (exact match required)
Package Type: Radial, Can - SMD (exact match required)
Mounting Type: Surface Mount (exact match required)
Operating Temperature Range: -55°C to 105°C (exact match required)

Secondary parameters that may vary within acceptable substitution criteria include ESR, lifetime rating, ripple current capacity, physical dimensions, and manufacturer. Parts are grouped based on dimensional compatibility with the original PCB footprint and electrical performance characteristics.

Parameter Comparison

Part Number	Manufacturer	Series	Capacitance	Voltage	Tolerance	ESR (mOhm)	Lifetime @ 105°C	Ripple Current @ 100 kHz	Size Dia (mm)	Height (mm)	Land Size (mm)	RoHS Status
PCS0G331MCL9GS	Nichicon	PCS	330 µF	4 V	±20%	22	5000 Hrs	3.2 A	8.00	7.00	8.30 x 8.30	ROHS3 Compliant
PCS0G331MCL1GS	Nichicon	PCS	330 µF	4 V	±20%	20	5000 Hrs	2.8 A	6.30	6.00	6.60 x 6.60	ROHS3 Compliant
PCK0G331MCO1GS	Nichicon	PCK	330 µF	4 V	±20%	10	2000 Hrs	3.9 A	6.30	6.00	6.60 x 6.60	ROHS3 Compliant
APXE4R0ARA331MF61G	Chemi-Con	NPCAP™-PXE	330 µF	4 V	±20%	15	2000 Hrs	3.16 A	6.30	5.80	6.60 x 6.60	ROHS3 Compliant
APXF4R0ARA331MF61G	Chemi-Con	NPCAP™-PXF	330 µF	4 V	±20%	10	2000 Hrs	3.9 A	6.30	5.80	6.60 x 6.60	ROHS3 Compliant
APXA4R0ARA331MH70G	Chemi-Con	NPCAP™-PXA	330 µF	4 V	±20%	25	15000 Hrs	3.02 A	8.00	6.70	8.30 x 8.30	ROHS3 Compliant

Engineering Selection Recommendations

All listed substitute parts maintain full electrical equivalence with the PCS0G331MCL9GS across core parameters: 330 µF capacitance, 4 V voltage rating, ±20% tolerance, and surface mount radial can package. All parts are RoHS3 compliant and suitable for general purpose applications.

Selection between substitutes depends on dimensional constraints and performance requirements:

PCS0G331MCL1GS and PCK0G331MCO1GS are smaller footprint alternatives (6.30 mm diameter, 6.00 mm height) suitable for space-constrained layouts. Both maintain the 8.30 x 8.30 mm land size compatibility with the original design.

APXE4R0ARA331MF61G and APXF4R0ARA331MF61G are Chemi-Con alternatives with reduced height (5.80 mm) and smaller footprint (6.30 mm diameter), offering improved ESR performance in APXF variant (10 mOhm).

APXA4R0ARA331MH70G matches the original 8.00 mm diameter and 8.30 x 8.30 mm land size while providing extended lifetime rating (15000 Hrs @ 105°C) and maintains ROHS3 compliance with REACH unaffected status.

Frequently Asked Questions (FAQ)

Q: Can PCS0G331MCL1GS replace PCS0G331MCL9GS directly on the PCB?

A: PCS0G331MCL1GS has identical electrical specifications but smaller physical dimensions (6.30 mm diameter vs. 8.00 mm). Direct replacement requires PCB footprint compatibility verification. The land size (6.60 x 6.60 mm) differs from the original (8.30 x 8.30 mm), necessitating PCB layout review.

Q: What is the difference between Nichicon and Chemi-Con substitutes?

A: Both manufacturers provide equivalent 330 µF, 4 V aluminum polymer capacitors with identical electrical ratings. Chemi-Con parts (APXA, APXE, APXF series) offer alternative ESR and lifetime characteristics. Selection depends on application-specific performance requirements and supply chain availability.

Q: Does PCK0G331MCO1GS have lower lifetime than the original part?

A: PCK0G331MCO1GS has 2000 Hrs lifetime @ 105°C compared to PCS0G331MCL9GS at 5000 Hrs. This difference reflects different series design specifications. Selection should align with application duty cycle and expected operational life requirements.

Q: Are all substitute parts RoHS3 compliant?

A: All listed substitute parts are RoHS3 compliant. APXA4R0ARA331MH70G carries REACH unaffected status, while other parts are REACH affected. Compliance verification should be confirmed against specific regulatory requirements for the end application.

Q: Which substitute offers the best ESR performance?

A: PCK0G331MCO1GS and APXF4R0ARA331MF61G both provide 10 mOhm ESR, the lowest among substitutes. Selection between these requires dimensional compatibility assessment with the target PCB layout.

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