EEU-FC2A390 Equivalent & Substitute Parts

Part Overview

The EEU-FC2A390 is a 39 µF, 100 V aluminum electrolytic capacitor in radial, can package manufactured by Panasonic Electronic Components. This component is rated for automotive applications with AEC-Q200 certification and operates across -55°C to 105°C. The part is Active status and widely used in power supply filtering, energy storage, and signal coupling circuits requiring polar capacitance in through-hole configurations. Substitute parts are identified when equivalent electrical performance and mechanical compatibility are maintained within the specified parameter tolerances.

Substiute Parts

EEU-FC2A390

Panasonic Electronic ComponentsIn Stock: 790EEU-FC2A390 Datasheet

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EEU-FC2A390L

Panasonic Electronic ComponentsIn Stock: 1019EEU-FC2A390L Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the EEU-FC2A390 is determined by strict equivalence across the following critical parameters:

• Capacitance: 39 µF (exact match required)
• Voltage Rating: 100 V (exact match required)
• Tolerance: ±20% (exact match required)
• Polarization: Polar (exact match required)
• Mounting Type: Through Hole (exact match required)
• Lead Spacing: 5.00 mm (exact match required)
• Package / Case: Radial, Can (exact match required)
• Operating Temperature Range: -55°C to 105°C (exact match required)
• Ratings: AEC-Q200 (exact match required)
• RoHS Status: ROHS3 Compliant (exact match required)

The EEU-FC2A390L qualifies as a direct substitute based on full alignment with all critical electrical and mechanical parameters. Variations in lifetime rating, ripple current specifications, impedance, physical dimensions (diameter and height), and packaging format (Bulk vs. Tape & Box) do not disqualify substitution when the core functional parameters remain identical.

Parameter Comparison

Engineering Selection Recommendations

Both EEU-FC2A390 and EEU-FC2A390L are Active status components manufactured by Panasonic Electronic Components with identical AEC-Q200 automotive ratings and ROHS3 compliance. Selection between these parts is based on application-specific requirements:

The EEU-FC2A390 provides 3000 hours lifetime at 105°C with a smaller physical footprint (10.00 mm diameter, 17.00 mm height) and lower impedance (360 mOhms). This configuration is suitable for applications where thermal endurance and compact board space are prioritized.

The EEU-FC2A390L offers 2000 hours lifetime at 105°C with a larger physical footprint (8.00 mm diameter, 22.00 mm height) and lower impedance (330 mOhms). This configuration is suitable for applications where lower impedance performance is required, provided the increased height does not conflict with board layout constraints.

Both parts maintain identical electrical specifications (39 µF, 100 V, ±20% tolerance) and mechanical compatibility (5.00 mm lead spacing, through-hole radial can package). Packaging format differences (Bulk vs. Tape & Box) do not affect electrical or mechanical substitution eligibility.

Frequently Asked Questions (FAQ)

Q: Can EEU-FC2A390L replace EEU-FC2A390 in existing designs?

A: Yes. Both parts share identical capacitance (39 µF), voltage rating (100 V), tolerance (±20%), operating temperature range (-55°C to 105°C), lead spacing (5.00 mm), and mounting type (through-hole radial can). Physical dimension differences (diameter and height) must be verified against PCB layout constraints. Lifetime rating differences (3000 Hrs vs. 2000 Hrs @ 105°C) should be evaluated against application thermal stress requirements.

Q: What are the key differences between these substitute parts?

A: The primary differences are: (1) Lifetime rating: EEU-FC2A390 provides 3000 hours at 105°C versus 2000 hours for EEU-FC2A390L; (2) Physical dimensions: EEU-FC2A390 is 10.00 mm diameter × 17.00 mm height versus 8.00 mm diameter × 22.00 mm height for EEU-FC2A390L; (3) Impedance: EEU-FC2A390 has 360 mOhms versus 330 mOhms for EEU-FC2A390L; (4) Packaging: EEU-FC2A390 is supplied in Bulk format versus Tape & Box for EEU-FC2A390L.

Q: Are both parts suitable for automotive applications?

A: Yes. Both EEU-FC2A390 and EEU-FC2A390L carry AEC-Q200 certification and are rated for automotive applications across the -55°C to 105°C operating temperature range.

Q: Does packaging format affect electrical performance?

A: No. Packaging format (Bulk vs. Tape & Box) is a supply and handling consideration only and does not affect electrical or mechanical performance of the capacitor itself.

Q: Which part should be selected for high-temperature environments?

A: The EEU-FC2A390 is recommended for applications requiring extended thermal endurance, as it provides 3000 hours lifetime at 105°C compared to 2000 hours for the EEU-FC2A390L.

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

A: Electrical interchangeability is confirmed. Mechanical interchangeability depends on PCB layout: the EEU-FC2A390L's increased height (22.00 mm vs. 17.00 mm) must not conflict with component clearance or board constraints. Lead spacing (5.00 mm) is identical for both parts.