EEU-FC1H331L Equivalent & Substitute Parts

Part Overview

The EEU-FC1H331L is a 330 µF, 50 V aluminum electrolytic capacitor in radial configuration manufactured by Panasonic Electronic Components. This component is rated for 3000 hours at 105°C and is AEC-Q200 compliant for automotive applications. The part is currently active and available in bulk packaging.

Substitute parts are necessary when the original EEU-FC1H331L is unavailable, when alternative packaging formats are required, or when enhanced performance characteristics such as extended lifetime or higher voltage ratings are needed for specific circuit requirements.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	50 V
Tolerance	±20%
Lifetime @ 105°C	3000 Hrs
Operating Temperature Range	-55°C to 105°C
Polarization	Polar
Mounting Type	Through Hole
Lead Spacing	0.197" (5.00 mm)
Package Type	Radial, Can
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the EEU-FC1H331L is determined by the following critical parameters:

Capacitance Value: Must be 330 µF
Voltage Rating: Minimum 50 V (higher ratings are acceptable)
Tolerance: ±20%
Polarization: Polar (radial configuration)
Mounting Type: Through Hole
Lead Spacing: 0.197" (5.00 mm) preferred for direct PCB compatibility
Operating Temperature Range: -55°C to 105°C minimum
RoHS Compliance: ROHS3 Compliant

Substitute parts are grouped into two categories:

Direct Substitutes (identical lead spacing and voltage): EEU-FC1H331B, ELXZ500ELL331MJ25S, UPJ1H331MPD, UPW1H331MPD

Upgrade Substitute (higher voltage rating): ELXZ630ELL331MJ30S

Alternative Substitutes (different lead spacing): UPJ1H331MHD6, UPM1H331MHD6

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Lifetime @ 105°C	Lead Spacing	Size (Dia × Height)	Impedance	Product Status	Packaging
EEU-FC1H331L	Panasonic	330 µF	50 V	3000 Hrs	0.197" (5.00 mm)	0.394" × 1.260" (10.00 × 32.00 mm)	60 mOhms	Active	Bulk
EEU-FC1H331B	Panasonic	330 µF	50 V	5000 Hrs	0.197" (5.00 mm)	0.492" × 0.866" (12.50 × 22.00 mm)	63 mOhms	Active	Cut Tape
ELXZ630ELL331MJ30S	Chemi-Con	330 µF	63 V	5000 Hrs	0.197" (5.00 mm)	0.394" × 1.240" (10.00 × 31.50 mm)	90 mOhms	Active	Bulk
ELXZ500ELL331MJ25S	Chemi-Con	330 µF	50 V	5000 Hrs	0.197" (5.00 mm)	0.394" × 1.043" (10.00 × 26.50 mm)	73 mOhms	Active	Bulk
UPJ1H331MHD6	Nichicon	330 µF	50 V	5000 Hrs	0.295" (7.50 mm)	0.630" × 0.650" (16.00 × 16.50 mm)	78 mOhms	Not For New Designs	Bulk
UPJ1H331MPD	Nichicon	330 µF	50 V	5000 Hrs	0.197" (5.00 mm)	0.394" × 1.299" (10.00 × 33.00 mm)	72 mOhms	Not For New Designs	Bulk
UPM1H331MHD6	Nichicon	330 µF	50 V	5000 Hrs	0.295" (7.50 mm)	0.630" × 0.669" (16.00 × 17.00 mm)	60 mOhms	Not For New Designs	Bulk
UPW1H331MPD	Nichicon	330 µF	50 V	5000 Hrs	0.197" (5.00 mm)	0.394" × 0.787" (10.00 × 20.00 mm)	90 mOhms	Not For New Designs	Bulk

Engineering Selection Recommendations

For New Designs: Select EEU-FC1H331B (Panasonic, Active status) or ELXZ500ELL331MJ25S (Chemi-Con, Active status). Both offer extended 5000-hour lifetime at 105°C with identical 50 V rating and 0.197" lead spacing. EEU-FC1H331B is available in Cut Tape packaging; ELXZ500ELL331MJ25S is available in Bulk.

For Automotive Applications with Enhanced Reliability: ELXZ630ELL331MJ30S provides a 63 V rating with 5000-hour lifetime, offering additional voltage margin while maintaining identical lead spacing and form factor compatibility with the original EEU-FC1H331L.

For Direct PCB Compatibility: Parts with 0.197" (5.00 mm) lead spacing are preferred: EEU-FC1H331B, ELXZ500ELL331MJ25S, UPJ1H331MPD, and UPW1H331MPD.

Avoid for New Designs: UPJ1H331MHD6, UPJ1H331MPD, UPM1H331MHD6, and UPW1H331MPD are marked "Not For New Designs" and should only be used for legacy system maintenance or repair.

Compliance Consideration: All substitute parts maintain ROHS3 compliance. UPM1H331MHD6 is REACH Affected; all others are REACH Unaffected.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with a different lead spacing?

A: Parts with 0.295" (7.50 mm) lead spacing (UPJ1H331MHD6, UPM1H331MHD6) require PCB redesign. Direct substitution without layout modification is only possible with parts maintaining 0.197" (5.00 mm) lead spacing.

Q: What is the difference between the EEU-FC1H331L and EEU-FC1H331B?

A: Both are Panasonic FC series with identical electrical ratings (330 µF, 50 V, ±20%). The EEU-FC1H331B offers extended lifetime (5000 Hrs vs. 3000 Hrs @ 105°C), different physical dimensions, and is available in Cut Tape packaging instead of Bulk.

Q: Is ELXZ630ELL331MJ30S a direct replacement?

A: ELXZ630ELL331MJ30S is an upgrade substitute with identical lead spacing and similar form factor. The 63 V rating provides additional voltage margin over the 50 V requirement. Physical height differs slightly (31.50 mm vs. 32.00 mm), which is within typical PCB tolerance.

Q: Why are some parts marked "Not For New Designs"?

A: Parts with "Not For New Designs" status (Nichicon UPJ and UPW series) are legacy components. They remain available for existing product support but should not be selected for new circuit designs. Active-status alternatives are preferred.

Q: Can I substitute based on capacitance and voltage alone?

A: No. Lead spacing, physical dimensions, and mounting compatibility must also be verified. Substitution requires matching or compatible lead spacing (0.197" preferred) and confirmation that physical dimensions fit the PCB layout.

Q: What does AEC-Q200 compliance indicate?

A: AEC-Q200 certification indicates the component meets automotive-grade reliability standards. EEU-FC1H331L, EEU-FC1H331B, ELXZ630ELL331MJ30S, and UPM1H331MHD6 carry this rating for automotive applications.

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