EEU-FC1E392L Equivalent & Substitute Parts

Part Overview

The EEU-FC1E392L is a 3900 µF, 25 V aluminum electrolytic capacitor in radial can package manufactured by Panasonic Electronic Components. This part is classified as obsolete, indicating it is no longer in active production. Finding equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production or repair requirements for applications utilizing this component.

Key Parameters

Parameter	Value
Capacitance	3900 µF
Tolerance	±20%
Voltage - Rated	25 V
Lifetime @ Temperature	5000 Hrs @ 105°C
Operating Temperature Range	-55°C ~ 105°C
Polarization	Polar
Lead Spacing	0.295" (7.50 mm)
Size / Dimension	0.630" Dia (16.00 mm)
Height - Seated (Max)	1.398" (35.50 mm)
Mounting Type	Through Hole
Package / Case	Radial, Can
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the EEU-FC1E392L is determined by the following mandatory parameters:

Capacitance: 3900 µF (exact match required)
Tolerance: ±20% (exact match required)
Voltage - Rated: 25 V (exact match required)
Polarization: Polar (exact match required)
Lead Spacing: 0.295" (7.50 mm) (exact match required)
Mounting Type: Through Hole (exact match required)
Package / Case: Radial, Can (exact match required)

All substitute parts listed meet these core electrical and mechanical parameters. Variations in physical dimensions (diameter and height), lifetime ratings, ripple current specifications, impedance, and product status are secondary considerations that do not disqualify substitution but may influence selection based on application requirements.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ 105°C	Size Dia	Height (Max)	Product Status	Impedance
EEU-FC1E392L	Panasonic	3900 µF	25 V	±20%	5000 Hrs	0.630" (16.00 mm)	1.398" (35.50 mm)	Obsolete	16 mOhms
EEU-FC1E392	Panasonic	3900 µF	25 V	±20%	5000 Hrs	0.709" (18.00 mm)	1.240" (31.50 mm)	Active	16 mOhms
ELXZ250ELL392ML35S	Chemi-Con	3900 µF	25 V	±20%	8000 Hrs	0.630" (16.00 mm)	1.437" (36.50 mm)	Active	17 mOhms
UPW1E392MHD	Nichicon	3900 µF	25 V	±20%	8000 Hrs	0.630" (16.00 mm)	1.398" (35.50 mm)	Not For New Designs	16 mOhms
ELXY250ELL392ML40S	Chemi-Con	3900 µF	25 V	±20%	8000 Hrs	0.630" (16.00 mm)	1.634" (41.50 mm)	Active	18 mOhms
ELXZ250ELL392MM30S	Chemi-Con	3900 µF	25 V	±20%	8000 Hrs	0.709" (18.00 mm)	1.240" (31.50 mm)	Active	18 mOhms
UPJ1E392MHD6	Nichicon	3900 µF	25 V	±20%	5000 Hrs	0.709" (18.00 mm)	1.457" (37.00 mm)	Not For New Designs	26 mOhms

Engineering Selection Recommendations

Selection of substitute parts should prioritize the following criteria:

Active Product Status: EEU-FC1E392 (Panasonic), ELXZ250ELL392ML35S (Chemi-Con), ELXY250ELL392ML40S (Chemi-Con), and ELXZ250ELL392MM30S (Chemi-Con) are classified as active products and are recommended for new designs and ongoing production applications.

Compliance and Certifications: All substitute parts listed are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements. Panasonic and Chemi-Con parts carry AEC-Q200 automotive ratings, suitable for automotive applications.

Lifetime and Reliability: ELXZ250ELL392ML35S, UPW1E392MHD, ELXY250ELL392ML40S, and ELXZ250ELL392MM30S offer extended lifetime ratings of 8000 Hrs @ 105°C compared to the original 5000 Hrs @ 105°C, providing improved reliability margins.

Physical Fit Considerations: EEU-FC1E392L and UPW1E392MHD share identical physical dimensions (0.630" diameter, 1.398" height), ensuring direct mechanical compatibility in existing PCB layouts. Alternative dimensions must be evaluated against available board space.

Not For New Designs Status: UPW1E392MHD and UPJ1E392MHD6 are designated as not for new designs. These parts are suitable for legacy system support and repair applications but should not be selected for new product development.

Frequently Asked Questions (FAQ)

Q: Can EEU-FC1E392 directly replace EEU-FC1E392L in existing designs?

A: EEU-FC1E392 meets all core electrical parameters and lead spacing requirements. However, it has different physical dimensions (0.709" diameter vs. 0.630", and 1.240" height vs. 1.398"). PCB layout compatibility must be verified before substitution.

Q: What is the difference between Panasonic FC series and Chemi-Con LXZ/LXY series substitutes?

A: All parts share identical electrical specifications (3900 µF, 25 V, ±20%). Chemi-Con LXZ and LXY series offer extended lifetime (8000 Hrs vs. 5000 Hrs @ 105°C) and carry AEC-Q200 automotive certification. Physical dimensions vary by part number.

Q: Are Nichicon UPW and UPJ series suitable for new production?

A: UPW1E392MHD and UPJ1E392MHD6 are designated as not for new designs. These parts are appropriate for legacy system maintenance and repair but should not be selected for new product development.

Q: What is the impact of impedance differences among substitute parts?

A: Impedance values range from 16 mOhms to 26 mOhms across the substitute list. Higher impedance may affect ripple current handling and high-frequency performance. Applications with stringent ripple current or frequency response requirements should select parts with lower impedance values matching the original specification.

Q: Do all substitute parts meet automotive compliance requirements?

A: Panasonic FC series and Chemi-Con LXZ/LXY series carry AEC-Q200 automotive ratings. Nichicon UPW and UPJ series do not list AEC-Q200 certification. For automotive applications, Panasonic and Chemi-Con parts are preferred.

Q: Can physical dimension variations affect PCB assembly?

A: Yes. Parts with different diameters or heights may not fit existing PCB footprints or component placement patterns. EEU-FC1E392L and UPW1E392MHD share identical dimensions and are mechanically interchangeable. All other substitutes require PCB layout verification before implementation.

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