EEU-FC0J331 330µF 6.3V Radial Aluminum Electrolytic Capacitor

Part Overview

The EEU-FC0J331 is a 330µF, 6.3V radial aluminum electrolytic capacitor manufactured by Panasonic Electronic Components in the FC series. This part is rated for automotive applications with AEC-Q200 compliance and operates across -55°C to 105°C with a 1000-hour lifetime at 105°C. The EEU-FC0J331 is currently obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	6.3 V
Tolerance	±20%
Lifetime @ Temperature	1000 Hrs @ 105°C
Operating Temperature Range	-55°C ~ 105°C
Polarization	Polar
Mounting Type	Through Hole
Package Type	Radial, Can
Lead Spacing	0.098" (2.50mm)
Case Diameter	0.248" (6.30mm)
Height	0.591" (15.00mm)
Impedance	250 mOhms
Ripple Current @ 120 Hz	260 mA
Ripple Current @ 100 kHz	400 mA
Ratings	AEC-Q200
Applications	Automotive

Substitute Part Grouping Explanation

Substitution for the EEU-FC0J331 is determined by strict electrical and mechanical compatibility across the following parameters:

Electrical Requirements:

Capacitance: 330 µF (exact match required)
Voltage Rating: 6.3 V (exact match required)
Tolerance: ±20% (exact match required)
Polarization: Polar (exact match required)

Mechanical Requirements:

Mounting Type: Through Hole (exact match required)
Package Type: Radial, Can (exact match required)
Lead Spacing: 0.098" (2.50mm) (exact match required for direct PCB compatibility)
Case Diameter: 0.248" (6.30mm) (exact match required)

Performance Parameters (Flexible within limits):

Lifetime @ 105°C: 1000 hours minimum (equal or greater acceptable)
Operating Temperature: -55°C to 105°C minimum (equal or greater range acceptable)
Ripple Current: Equal or greater acceptable
Impedance: Equal or lower acceptable

Substitute parts are grouped into two categories: Direct Equivalents (identical electrical and mechanical specifications) and Compatible Alternatives (matching core electrical parameters with acceptable variations in secondary characteristics such as height, impedance, or ripple current rating).

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ 105°C	Operating Temp	Lead Spacing	Height (Max)	Impedance	Ripple @ 120 Hz	Ripple @ 100 kHz	Status	AEC-Q200
EEU-FC0J331	Panasonic	330 µF	6.3 V	±20%	1000 Hrs	-55°C ~ 105°C	0.098" (2.50mm)	0.591" (15.00mm)	250 mOhms	260 mA	400 mA	Obsolete	Yes
EEU-FC0J331S	Panasonic	330 µF	6.3 V	±20%	1000 Hrs	-55°C ~ 105°C	0.098" (2.50mm)	0.441" (11.20mm)	350 mOhms	188.5 mA	290 mA	Active	Yes
EEU-FC0J331SB	Panasonic	330 µF	6.3 V	±20%	1000 Hrs	-55°C ~ 105°C	0.197" (5.00mm)	0.579" (14.70mm)	350 mOhms	188.5 mA	290 mA	Active	Yes
EEU-FC0J331SH	Panasonic	330 µF	6.3 V	±20%	1000 Hrs	-55°C ~ 105°C	0.098" (2.50mm)	0.441" (11.20mm)	350 mOhms	188.5 mA	290 mA	Active	Yes
ECA-0JHG331	Panasonic	330 µF	6.3 V	±20%	1000 Hrs	-55°C ~ 105°C	0.098" (2.50mm)	0.480" (12.20mm)	—	190 mA	285 mA	Active	No
EKMG6R3ELL331MF11D	Chemi-Con	330 µF	6.3 V	±20%	1000 Hrs	-55°C ~ 105°C	0.098" (2.50mm)	0.492" (12.50mm)	—	190 mA	285 mA	Active	No
ELXZ6R3ELL331MFB5D	Chemi-Con	330 µF	6.3 V	±20%	2000 Hrs	-55°C ~ 105°C	0.098" (2.50mm)	0.512" (13.00mm)	250 mOhms	145 mA	290 mA	Active	Yes
UPW0J331MED	Nichicon	330 µF	6.3 V	±20%	2000 Hrs	-55°C ~ 105°C	0.098" (2.50mm)	0.433" (11.00mm)	250 mOhms	188.5 mA	290 mA	Obsolete	No
UVZ0J331MED	Nichicon	330 µF	6.3 V	±20%	1000 Hrs	-55°C ~ 105°C	0.098" (2.50mm)	0.492" (12.50mm)	—	195 mA	292.5 mA	Obsolete	No

Engineering Selection Recommendations

For Active Production (Recommended Primary Choices):

EEU-FC0J331S and EEU-FC0J331SH are the preferred direct substitutes. Both are active Panasonic FC series parts with identical electrical specifications, AEC-Q200 automotive rating, and matching lead spacing of 0.098" (2.50mm). EEU-FC0J331SH maintains the original 0.098" lead spacing and is mechanically compatible with existing PCB layouts. EEU-FC0J331S offers the same electrical performance with reduced height (0.441" vs. 0.591"), providing space optimization benefits.

EEU-FC0J331SB is electrically equivalent but features 0.197" (5.00mm) lead spacing, requiring PCB redesign for compatibility.

For General Purpose Applications (Alternative Choices):

ECA-0JHG331 (Panasonic NHG-A series) is an active part with matching electrical specifications and lead spacing. It lacks AEC-Q200 certification and is rated for general purpose rather than automotive applications.

EKMG6R3ELL331MF11D (Chemi-Con KMG series) is an active alternative with identical capacitance, voltage, and tolerance. It provides equivalent ripple current performance and matching lead spacing but lacks automotive certification.

For Extended Lifetime Requirements:

ELXZ6R3ELL331MFB5D (Chemi-Con LXZ series) offers 2000-hour lifetime at 105°C versus the original 1000-hour rating, with AEC-Q200 automotive compliance. Impedance and lead spacing match the original specification. Height is 0.512" (13.00mm), which may require PCB layout verification.

Obsolete Parts (Not Recommended for New Designs):

UPW0J331MED and UVZ0J331MED are Nichicon parts with obsolete status. While electrically compatible, they should not be selected for new production due to availability constraints and lack of active manufacturer support.

Frequently Asked Questions (FAQ)

Q: Can EEU-FC0J331S be used as a direct replacement for EEU-FC0J331?

A: Yes. Both parts share identical electrical specifications (330µF, 6.3V, ±20%), operating temperature range (-55°C to 105°C), lifetime rating (1000 hours @ 105°C), and lead spacing (0.098" / 2.50mm). EEU-FC0J331S is physically shorter (0.441" vs. 0.591"), which is compatible with existing PCB layouts. Both carry AEC-Q200 automotive certification.

Q: What is the difference between EEU-FC0J331SH and EEU-FC0J331S?

A: Both parts are electrically identical with matching lead spacing (0.098" / 2.50mm) and height (0.441" / 11.20mm). The designation difference reflects packaging format: EEU-FC0J331SH is supplied in Cut Tape (CT) format, while EEU-FC0J331S is supplied in Bulk packaging. Electrical performance and PCB compatibility are identical.

Q: Why does EEU-FC0J331SB have different lead spacing?

A: EEU-FC0J331SB features 0.197" (5.00mm) lead spacing compared to the original 0.098" (2.50mm). This wider spacing requires PCB redesign and cannot be used as a direct drop-in replacement without modifying the component footprint.

Q: Is ECA-0JHG331 suitable for automotive applications?

A: ECA-0JHG331 is rated for general purpose applications and lacks AEC-Q200 automotive certification. While electrically compatible with the original EEU-FC0J331, it is not recommended for automotive designs requiring AEC-Q200 compliance.

Q: What advantage does ELXZ6R3ELL331MFB5D offer?

A: ELXZ6R3ELL331MFB5D provides extended lifetime (2000 hours @ 105°C versus 1000 hours) while maintaining AEC-Q200 automotive certification. Impedance and lead spacing match the original specification. This part is suitable for applications requiring enhanced reliability over extended operating periods.

Q: Can I use Nichicon UPW0J331MED or UVZ0J331MED?

A: Both Nichicon parts are electrically compatible but carry obsolete status. UPW0J331MED offers 2000-hour lifetime; UVZ0J331MED matches the original 1000-hour rating. Neither carries AEC-Q200 certification. These parts should not be selected for new production due to availability and lack of active manufacturer support.

Q: What is the impact of impedance differences between substitutes?

A: The original EEU-FC0J331 specifies 250 mOhms impedance. Substitutes with higher impedance (such as EEU-FC0J331S at 350 mOhms) may exhibit slightly different ripple current performance and frequency response characteristics. For applications with strict ripple current or noise filtering requirements, impedance matching should be verified against circuit specifications.

Q: Are all substitute parts RoHS3 compliant?

A: All active substitute parts listed (EEU-FC0J331S, EEU-FC0J331SH, EEU-FC0J331SB, ECA-0JHG331, EKMG6R3ELL331MF11D, ELXZ6R3ELL331MFB5D, UPW0J331MED, and UVZ0J331MED) are RoHS3 compliant. The original EEU-FC0J331 does not specify RoHS status.

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