ELXZ250ELL331MJC5S Equivalent & Substitute Parts

Part Overview

The ELXZ250ELL331MJC5S is a 330 µF, 25 V aluminum electrolytic capacitor manufactured by Chemi-Con in the LXZ series. This radial, through-hole component is rated for 5000 hours at 105°C and meets AEC-Q200 automotive qualification standards. The part is currently active in production with 2771 units in stock.

Substitute parts are necessary when the primary part becomes unavailable, when design requirements change, or when alternative manufacturers' components offer equivalent electrical and mechanical performance within specified tolerances. Equivalent parts must maintain the same capacitance, voltage rating, tolerance, and physical compatibility while meeting the same operational and environmental specifications.

Key Parameters

Parameter	Value	Significance for Substitution
Capacitance	330 µF	Must match exactly
Voltage Rating	25 V	Must match or exceed
Tolerance	±20%	Must match or be tighter
Lifetime @ Temperature	5000 Hrs @ 105°C	Determines thermal reliability; lower values indicate reduced lifespan
Operating Temperature Range	-55°C ~ 105°C	Must match or exceed
Lead Spacing	5.00 mm (0.197")	Critical for PCB compatibility
Case Diameter	10.00 mm (0.394")	Physical fit on PCB
Height	14.00 mm (0.551")	Clearance and assembly constraints
Mounting Type	Through Hole Radial	Must match for PCB assembly compatibility
AEC-Q200 Rating	Yes	Automotive qualification requirement

Substitute Part Grouping Explanation

Substitution logic for the ELXZ250ELL331MJC5S is based on the following criteria:

Primary Substitution Criteria (Must Match):

Capacitance: 330 µF
Voltage Rating: 25 V
Tolerance: ±20%
Mounting Type: Through Hole Radial
Operating Temperature Range: -55°C ~ 105°C
Polarization: Polar

Secondary Substitution Criteria (Physical Compatibility):

Lead Spacing: 5.00 mm (0.197")
Case Diameter: 10.00 mm (0.394")
Height: 14.00 mm (0.551") or compatible within assembly constraints

Tertiary Substitution Criteria (Performance & Reliability):

Lifetime @ 105°C: 5000 hours or greater
AEC-Q200 compliance for automotive applications
RoHS3 compliance

Parts are grouped into three categories:

Direct Equivalents: Same manufacturer (Chemi-Con LXZ series), identical electrical specifications, matching physical dimensions
Functional Equivalents: Different manufacturers or series, identical electrical specifications, compatible physical dimensions
Reduced-Specification Alternatives: Lower lifetime ratings or different physical dimensions; substitution requires design review

Parameter Comparison

Part Number	Manufacturer	Series	Capacitance	Voltage	Tolerance	Lifetime @ 105°C	Lead Spacing (mm)	Case Dia (mm)	Height (mm)	AEC-Q200	Status
ELXZ250ELL331MJC5S	Chemi-Con	LXZ	330 µF	25 V	±20%	5000 Hrs	5.00	10.00	14.00	Yes	Active
ELXY250ELL331MJ16S	Chemi-Con	LXY	330 µF	25 V	±20%	5000 Hrs	5.00	10.00	17.50	Yes	Active
ELXY250ELL331MH20D	Chemi-Con	LXY	330 µF	25 V	±20%	3000 Hrs	3.50	8.00	21.50	Yes	Active
ELXZ250ELL331MH15D	Chemi-Con	LXZ	330 µF	25 V	±20%	3000 Hrs	3.50	8.00	15.00	Yes	Active
EEU-FC1E331	Panasonic	FC	330 µF	25 V	±20%	3000 Hrs	5.00	10.00	12.50	Yes	Active
EEU-FC1E331B	Panasonic	FC	330 µF	25 V	±20%	3000 Hrs	5.00	10.00	13.50	Yes	Active
EEU-FC1E331L	Panasonic	FC	330 µF	25 V	±20%	2000 Hrs	3.50	8.00	15.00	Yes	Active
EEU-FC1E331LB	Panasonic	FC	330 µF	25 V	±20%	2000 Hrs	5.00	8.00	20.50	Yes	Active
UPW1E331MPD	Nichicon	UPW	330 µF	25 V	±20%	5000 Hrs	5.00	10.00	12.50	No	Not For New Designs
UPJ1E331MPD	Nichicon	UPJ	330 µF	25 V	±20%	3000 Hrs	3.50	8.00	21.00	No	Not For New Designs
UPJ1E331MPD6	Nichicon	UPJ	330 µF	25 V	±20%	5000 Hrs	5.00	10.00	16.50	No	Not For New Designs

Engineering Selection Recommendations

Tier 1 - Direct Equivalents (Preferred for Automotive Applications):

ELXY250ELL331MJ16S is the primary equivalent substitute. This Chemi-Con LXY series part maintains identical electrical specifications (330 µF, 25 V, ±20%, 5000 Hrs @ 105°C) and physical compatibility (5.00 mm lead spacing, 10.00 mm case diameter). The height difference of 17.50 mm versus 14.00 mm requires verification of PCB clearance but does not affect electrical performance. AEC-Q200 compliance and active production status confirm suitability for automotive applications.

Tier 2 - Functional Equivalents (Automotive-Qualified Alternatives):

EEU-FC1E331B (Panasonic FC series) and EEU-FC1E331 (Panasonic FC series) provide equivalent electrical performance with AEC-Q200 compliance. Both maintain 5.00 mm lead spacing and 10.00 mm case diameter. Height specifications (13.50 mm and 12.50 mm respectively) are compatible with the original 14.00 mm dimension. Lifetime rating of 3000 hours at 105°C is lower than the original 5000 hours; this reduction in thermal endurance must be evaluated against application requirements.

Tier 3 - Reduced-Specification Alternatives (Design Review Required):

ELXY250ELL331MH20D and ELXZ250ELL331MH15D (Chemi-Con) feature reduced lifetime ratings (3000 Hrs @ 105°C) and different physical dimensions (3.50 mm lead spacing, 8.00 mm case diameter). These parts require PCB redesign and are suitable only when the original footprint cannot be accommodated.

EEU-FC1E331L and EEU-FC1E331LB (Panasonic) offer the lowest thermal endurance (2000 Hrs @ 105°C) and are suitable only for non-critical applications or when extended lifespan is not a design requirement.

Not Recommended for New Designs:

UPW1E331MPD, UPJ1E331MPD, and UPJ1E331MPD6 (Nichicon) carry "Not For New Designs" status and lack AEC-Q200 automotive qualification. These parts are suitable only for legacy system maintenance or general-purpose applications outside automotive environments.

Frequently Asked Questions (FAQ)

Q: Can ELXY250ELL331MJ16S be used as a direct replacement for ELXZ250ELL331MJC5S?

A: ELXY250ELL331MJ16S is electrically equivalent and maintains the same lead spacing (5.00 mm) and case diameter (10.00 mm). The height increases from 14.00 mm to 17.50 mm. Substitution is valid if PCB clearance permits the additional 3.50 mm height. Both parts are AEC-Q200 qualified and active in production.

Q: What is the impact of using a part with 3000 Hrs @ 105°C instead of 5000 Hrs?

A: Lifetime rating indicates the expected operational duration at maximum rated temperature. A 3000-hour part has half the thermal endurance of a 5000-hour part. Substitution is acceptable only if the application's expected service life does not exceed the reduced rating. Automotive applications typically require 5000-hour minimum specifications.

Q: Are Panasonic EEU-FC series parts compatible with the original Chemi-Con LXZ footprint?

A: EEU-FC1E331 and EEU-FC1E331B maintain identical lead spacing (5.00 mm) and case diameter (10.00 mm) as the original part. Heights are 12.50 mm and 13.50 mm respectively, both within typical PCB clearance tolerances. Direct PCB substitution is possible without layout modification.

Q: Why are Nichicon UPJ and UPW series parts marked "Not For New Designs"?

A: Parts designated "Not For New Designs" indicate end-of-life or obsolescence status. These components lack current AEC-Q200 automotive qualification and are available only for legacy system support. New automotive designs must use active-status parts from Chemi-Con or Panasonic.

Q: What is the difference between Bulk and Cut Tape packaging?

A: Bulk packaging (standard reels) is used for high-volume manufacturing. Cut Tape (CT) packaging provides individual component strips for lower-volume or manual assembly operations. Electrical and mechanical specifications are identical; packaging selection depends on assembly process requirements.

Q: Can parts with different lead spacings be used interchangeably?

A: No. Lead spacing (3.50 mm versus 5.00 mm) determines PCB hole positioning and cannot be changed without PCB redesign. Parts with different lead spacings require new artwork and cannot be used as direct substitutes on existing boards.

Q: Is RoHS3 compliance mandatory for all substitutes?

A: All listed substitute parts maintain RoHS3 compliance, matching the original part specification. This compliance is standard for current automotive and industrial components and is not a differentiating factor among the listed alternatives.

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