EEU-FC0J331S Equivalent & Substitute Parts

Part Overview

The EEU-FC0J331S is a 330 µF, 6.3 V aluminum electrolytic capacitor in radial, can package manufactured by Panasonic Electronic Components. This component is rated for 1000 hours at 105°C and is AEC-Q200 compliant for automotive applications. The part is currently active in production. Substitute parts may be required due to supply constraints, design revisions, or application-specific performance requirements while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage - Rated	6.3 V
Tolerance	±20%
Polarization	Polar
Package / Case	Radial, Can
Mounting Type	Through Hole
Lead Spacing	0.098" (2.50 mm)
Size / Dimension	0.248" Dia (6.30 mm)
Height - Seated (Max)	0.441" (11.20 mm)
Operating Temperature	-55°C ~ 105°C
Lifetime @ Temp.	1000 Hrs @ 105°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the EEU-FC0J331S is determined by strict equivalence across the following parameters:

Capacitance: 330 µF (exact match required)
Voltage - Rated: 6.3 V (exact match required)
Tolerance: ±20% (exact match required)
Polarization: Polar (exact match required)
Package / Case: Radial, Can (exact match required)
Mounting Type: Through Hole (exact match required)
Lead Spacing: 0.098" (2.50 mm) (exact match required)
Size / Dimension: 0.248" Dia (6.30 mm) (exact match required)
Operating Temperature: -55°C ~ 105°C (exact match required)
RoHS Status: ROHS3 Compliant (exact match required)

All identified substitute parts meet these core electrical and mechanical criteria. Variations in height, ripple current ratings, impedance, lifetime specifications, and manufacturer series do not preclude substitution when all primary parameters align.

Parameter Comparison

Parameter	EEU-FC0J331S	ECA-0JHG331	UPW0J331MED	UVZ0J331MED
Manufacturer	Panasonic	Panasonic	Nichicon	Nichicon
Series	FC	NHG-A	UPW	UVZ
Capacitance	330 µF	330 µF	330 µF	330 µF
Voltage - Rated	6.3 V	6.3 V	6.3 V	6.3 V
Tolerance	±20%	±20%	±20%	±20%
Operating Temperature	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C
Lead Spacing	0.098" (2.50 mm)	0.098" (2.50 mm)	0.098" (2.50 mm)	0.098" (2.50 mm)
Size / Dimension	0.248" Dia (6.30 mm)	0.248" Dia (6.30 mm)	0.248" Dia (6.30 mm)	0.248" Dia (6.30 mm)
Height - Seated (Max)	0.441" (11.20 mm)	0.480" (12.20 mm)	0.433" (11.00 mm)	0.492" (12.50 mm)
Lifetime @ Temp.	1000 Hrs @ 105°C	1000 Hrs @ 105°C	2000 Hrs @ 105°C	1000 Hrs @ 105°C
Product Status	Active	Active	Obsolete	Obsolete
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

ECA-0JHG331 (Panasonic NHG-A Series): This substitute maintains active product status and is manufactured by the same supplier as the primary part. It is suitable for general-purpose applications and meets all electrical and mechanical equivalence criteria. The height difference of 0.039" (0.90 mm) must be verified against PCB layout constraints.

UPW0J331MED (Nichicon UPW Series): This substitute offers extended lifetime performance at 2000 hours versus 1000 hours at 105°C, with lower impedance (250 mOhms versus 350 mOhms). However, this part is obsolete and should be selected only when extended thermal life is a design requirement and supply availability is confirmed. Height is 0.433" (11.00 mm), which is within 0.008" (0.20 mm) of the primary part.

UVZ0J331MED (Nichicon UVZ Series): This substitute is obsolete and should be used only when supply of active alternatives is unavailable. It meets all electrical and mechanical criteria but carries obsolescence risk for future procurement. Height is 0.492" (12.50 mm), representing the largest dimensional variation among substitutes.

Frequently Asked Questions (FAQ)

Q: Can ECA-0JHG331 be used as a direct replacement for EEU-FC0J331S?

A: Yes. Both parts share identical capacitance (330 µF), voltage rating (6.3 V), tolerance (±20%), lead spacing (2.50 mm), and diameter (6.30 mm). The height difference of 0.039" (0.90 mm) must be confirmed against available PCB clearance. Both are ROHS3 compliant and rated for -55°C to 105°C operation.

Q: What is the primary difference between the Panasonic and Nichicon substitutes?

A: Panasonic ECA-0JHG331 is active in production and rated for general-purpose applications. Nichicon UPW0J331MED and UVZ0J331MED are obsolete. UPW0J331MED provides extended lifetime (2000 hours at 105°C) and lower impedance. All three meet the core electrical and mechanical specifications of the primary part.

Q: Are there height restrictions when using substitute parts?

A: Height variations range from 0.433" (11.00 mm) to 0.492" (12.50 mm) compared to the primary part at 0.441" (11.20 mm). PCB layout and component clearance must be verified before substitution. Maximum height difference is 0.051" (1.30 mm).

Q: Can obsolete parts be used in new designs?

A: Obsolete parts (UPW0J331MED and UVZ0J331MED) should not be selected for new designs due to supply discontinuation risk. Use active alternatives such as ECA-0JHG331 or the primary part EEU-FC0J331S for long-term design stability.

Q: Do all substitutes meet automotive compliance requirements?

A: The primary part EEU-FC0J331S carries AEC-Q200 automotive rating. Substitute parts ECA-0JHG331, UPW0J331MED, and UVZ0J331MED do not list AEC-Q200 certification. For automotive applications requiring AEC-Q200 compliance, the primary part or verified automotive-qualified alternatives must be used.

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