Equivalent & Substitute Parts for UCD0J331MCL1GS

Part Overview

The UCD0J331MCL1GS is a 330 µF, 6.3 V aluminum electrolytic capacitor manufactured by Nichicon in the UCD series. This surface mount component is rated for 2000 hours at 105°C and meets AEC-Q200 automotive qualification standards. The part is currently active in production with 806 units in stock.

Alternative equivalent and substitute parts are necessary when the primary part number becomes unavailable, when design requirements permit functional alternatives, or when supply chain optimization is required. The parts listed below maintain the core electrical specifications while offering variations in series designation, mechanical dimensions, thermal performance, or manufacturer origin.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	6.3 V
Tolerance	±20%
Lifetime @ Temperature	2000 Hrs @ 105°C
Operating Temperature Range	-55°C ~ 105°C
Polarization	Polar
Package Type	Radial, Can - SMD
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict adherence to the following criteria:

Primary Substitution Criteria (Must Match):

Capacitance: 330 µF
Voltage Rating: 6.3 V
Tolerance: ±20%
Polarization: Polar
Package Type: Radial, Can - SMD
Mounting Type: Surface Mount
RoHS Status: ROHS3 Compliant

Secondary Variation Parameters (Allowed Differences):

Lifetime @ Temperature: 1000 or 2000 Hrs @ 105°C
Series designation (UCD, UCM, UWD, UCL, UWG, UUD)
Manufacturer (Nichicon, Würth Elektronik, Panasonic)
Physical dimensions (diameter and height within SMD package constraints)
Ripple current ratings
Impedance values
AEC-Q200 rating presence or absence

Parts are grouped into three categories:

Direct Manufacturer Substitutes: Same manufacturer (Nichicon) with identical electrical specifications but different series designation. These offer pin-compatible alternatives with minimal design impact.

Similar Manufacturer Parts: Nichicon parts with identical core specifications but variations in physical dimensions or thermal performance characteristics.

Parametric Equivalents & Cross-Manufacturer Alternatives: Parts from different manufacturers (Würth Elektronik, Panasonic) meeting identical electrical specifications and package requirements.

Parameter Comparison

Part Number	Manufacturer	Series	Capacitance	Voltage	Lifetime @ 105°C	Size (Dia × Height)	Impedance	Ripple Current @ 100 kHz	AEC-Q200	Inventory
UCD0J331MCL1GS	Nichicon	UCD	330 µF	6.3 V	2000 Hrs	6.30 × 8.00 mm	320 mOhms	290 mA	Yes	806
UCM0J331MCL1GS	Nichicon	UCM	330 µF	6.3 V	2000 Hrs	6.30 × 6.10 mm	260 mOhms	300 mA	Yes	1953
UWD0J331MCL1GS	Nichicon	UWD	330 µF	6.3 V	2000 Hrs	6.30 × 8.00 mm	340 mOhms	280 mA	No	2700
UCD0J331MCL6GS	Nichicon	UCD	330 µF	6.3 V	2000 Hrs	8.00 × 6.50 mm	260 mOhms	300 mA	Yes	3076
UCL0J331MCL1GS	Nichicon	UCL	330 µF	6.3 V	2000 Hrs	6.30 × 7.70 mm	160 mOhms	600 mA	No	1262
UCL0J331MCL6GS	Nichicon	UCL	330 µF	6.3 V	2000 Hrs	8.00 × 6.20 mm	180 mOhms	500 mA	No	3720
UWG0J331MNL1GS	Nichicon	UWG	330 µF	6.3 V	1000 Hrs	8.00 × 10.50 mm	300 mOhms	450 mA	Yes	1594
UUD0J331MCL1GS	Nichicon	UUD	330 µF	6.3 V	2000 Hrs	6.30 × 8.00 mm	340 mOhms	280 mA	Yes	1703
865080145010	Würth Elektronik	WCAP-ASLI	330 µF	6.3 V	2000 Hrs	6.30 × 7.70 mm	360 mOhms	275 mA	No	9988
EEE-FPJ331XAP	Panasonic	FP	330 µF	6.3 V	2000 Hrs	6.30 × 7.70 mm	160 mOhms	600 mA	Yes	27753
EEE-FT0J331AL	Panasonic	FT	330 µF	6.3 V	2000 Hrs	6.30 × 6.10 mm	260 mOhms	300 mA	Yes	2580

Engineering Selection Recommendations

For Automotive Applications (AEC-Q200 Required):

Use UCD0J331MCL1GS, UCM0J331MCL1GS, UCD0J331MCL6GS, UWG0J331MNL1GS, UUD0J331MCL1GS, EEE-FPJ331XAP, or EEE-FT0J331AL. All maintain AEC-Q200 certification. UCM0J331MCL1GS and EEE-FT0J331AL offer reduced height (6.10 mm) for space-constrained layouts. EEE-FPJ331XAP provides highest ripple current capacity (600 mA @ 100 kHz) and largest inventory availability.

For General Purpose Applications (AEC-Q200 Not Required):

UWD0J331MCL1GS, UCL0J331MCL1GS, UCL0J331MCL6GS, and 865080145010 are available. UWD0J331MCL1GS matches the original part's physical dimensions (6.30 × 8.00 mm) with 2700 units in stock. UCL series parts offer superior ripple current performance (500–600 mA @ 100 kHz) with lower impedance.

For Thermal Performance Considerations:

All listed parts except UWG0J331MNL1GS maintain 2000-hour lifetime at 105°C. UWG0J331MNL1GS is rated for 1000 hours at 105°C and should be used only when thermal stress is lower or application lifetime requirements permit reduced rating.

For Physical Fit Verification:

Original part dimensions are 6.30 mm diameter × 8.00 mm height with 6.60 × 6.60 mm land size. UCM0J331MCL1GS and EEE-FT0J331AL reduce height to 6.10 mm. UCD0J331MCL6GS and UCL0J331MCL6GS increase diameter to 8.00 mm. UWG0J331MNL1GS increases height to 10.50 mm. Verify PCB layout compatibility before selection.

Frequently Asked Questions (FAQ)

Q: Can I substitute UCD0J331MCL1GS with UCM0J331MCL1GS in an automotive circuit?

A: Yes. Both parts are Nichicon products with identical electrical specifications (330 µF, 6.3 V, ±20%, 2000 Hrs @ 105°C) and AEC-Q200 certification. UCM0J331MCL1GS is 1.90 mm shorter (6.10 mm vs. 8.00 mm height), which may improve PCB layout density. Verify that the reduced height does not conflict with component placement or thermal management requirements.

Q: What is the difference between Nichicon UCD and UCL series parts?

A: Both series meet the core electrical specifications. UCL series parts feature lower impedance (160–180 mOhms vs. 320–340 mOhms) and higher ripple current capacity (500–600 mA @ 100 kHz vs. 280–300 mA @ 100 kHz). UCL parts are not AEC-Q200 certified and are designated for general purpose applications. Select UCL only if ripple current performance is critical and automotive qualification is not required.

Q: Can I use the Würth Elektronik 865080145010 as a direct replacement?

A: Yes, from an electrical standpoint. The part meets all core specifications (330 µF, 6.3 V, ±20%, 2000 Hrs @ 105°C) and uses identical SMD package dimensions. However, 865080145010 is not AEC-Q200 certified and is designated for general purpose applications. Use only if automotive qualification is not a design requirement. Impedance is slightly higher (360 mOhms vs. 320 mOhms).

Q: Which substitute offers the best ripple current performance?

A: EEE-FPJ331XAP (Panasonic FP series) and UCL0J331MCL1GS both provide 600 mA ripple current at 100 kHz, the highest among all listed parts. EEE-FPJ331XAP is AEC-Q200 certified and maintains 2000-hour lifetime at 105°C. UCL0J331MCL1GS is not AEC-Q200 certified. Select based on automotive qualification requirements.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed parts carry ROHS3 compliance certification.

Q: What is the inventory advantage of cross-manufacturer substitutes?

A: EEE-FPJ331XAP (Panasonic) has 27,753 units in stock, significantly higher than the original UCD0J331MCL1GS (806 units). Würth Elektronik 865080145010 has 9,988 units available. These alternatives provide supply chain flexibility for high-volume production or urgent procurement scenarios.

Q: Can I use UWG0J331MNL1GS as a long-term replacement?

A: UWG0J331MNL1GS is suitable only for applications where the reduced thermal rating (1000 Hrs @ 105°C vs. 2000 Hrs) is acceptable. The part is AEC-Q200 certified and maintains the full operating temperature range (-55°C ~ 105°C). Use only if application duty cycle and thermal environment permit the lower lifetime rating. The part is physically larger (8.00 × 10.50 mm), which may impact PCB layout.

Q: What does impedance variation mean for circuit performance?

A: Impedance affects high-frequency ripple filtering and transient response. Lower impedance (160–260 mOhms) provides better high-frequency noise suppression. Higher impedance (340–360 mOhms) may result in slightly higher voltage ripple under high-frequency switching conditions. For most general purpose applications, impedance variation within the listed range is acceptable. For noise-sensitive circuits, select parts with impedance ≤260 mOhms.

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