Nichicon UCJ1C331MCL1GS 330µF 16V SMD Aluminum Electrolytic Capacitor - Equivalent & Substitute Parts

Part Overview

The Nichicon UCJ1C331MCL1GS is a 330µF, 16V rated aluminum electrolytic capacitor in surface mount radial can package. This component is classified as Active product status and is suitable for general purpose applications requiring compact form factor with standard performance characteristics. Equivalent and substitute parts are identified when circuit designs require alternative sourcing, higher voltage ratings, improved ESR performance, extended lifetime ratings, or automotive-grade compliance certifications.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	16 V
Tolerance	±20%
ESR (Equivalent Series Resistance)	1.5 Ohm
Lifetime @ Temperature	2000 Hrs @ 125°C
Operating Temperature Range	-40°C to 125°C
Ripple Current @ 120 Hz	200 mA
Ripple Current @ 100 kHz	400 mA
Package / Case	Radial, Can - SMD
Size / Dimension	0.394" Dia (10.00mm)
Height - Seated (Max)	0.413" (10.50mm)
Surface Mount Land Size	0.406" L x 0.406" W (10.30mm x 10.30mm)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the UCJ1C331MCL1GS is determined by the following critical parameters:

Primary Substitution Criteria:

Capacitance value: 330 µF (fixed requirement)
Tolerance: ±20% (fixed requirement)
Voltage rating: Equal to or greater than 16 V
Package / Case: Radial, Can - SMD (physical compatibility)
Surface Mount Land Size: 0.406" L x 0.406" W (10.30mm x 10.30mm) or compatible footprint
Mounting Type: Surface Mount
Operating Temperature Range: -40°C to 125°C minimum
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

Secondary Performance Parameters (allowable variation):

ESR: May vary based on series and frequency rating
Lifetime @ Temperature: May exceed 2000 Hrs @ 125°C
Ripple Current: May exceed specified values
Product Status: Active preferred; Not For New Designs acceptable for legacy applications

Substitute parts are grouped into two categories: Upgrade Parts (higher voltage rating or improved performance characteristics) and Similar Parts (equivalent voltage rating with alternative performance profiles or different manufacturers).

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	ESR	Lifetime @ 125°C	Size (Dia x H)	Land Size	Product Status	Ratings
UCJ1C331MCL1GS	Nichicon	330 µF	16 V	±20%	1.5 Ohm	2000 Hrs	10.00mm x 10.50mm	10.30mm x 10.30mm	Active	—
UCJ1E331MCL1GS	Nichicon	330 µF	25 V	±20%	1.5 Ohm	2000 Hrs	10.00mm x 10.50mm	10.30mm x 10.30mm	Active	—
UCH1V331MCL1GS	Nichicon	330 µF	35 V	±20%	150 mOhm @ 100kHz	2000 Hrs	10.00mm x 10.80mm	10.30mm x 10.30mm	Active	AEC-Q200
UCZ1E331MCL1GS	Nichicon	330 µF	25 V	±20%	150 mOhm	3000 Hrs	10.00mm x 10.00mm	10.30mm x 10.30mm	Not For New Designs	—
EEE-TP1E331AP	Panasonic	330 µF	25 V	±20%	—	3000 Hrs	10.00mm x 10.20mm	10.30mm x 10.30mm	Active	AEC-Q200
EEE-TG1C331UP	Panasonic	330 µF	16 V	±20%	300 mOhm @ 100kHz	2000 Hrs	10.00mm x 10.20mm	10.30mm x 10.30mm	Active	AEC-Q200
EEE-TK1C331AQ	Panasonic	330 µF	16 V	±20%	120 mOhm @ 100kHz	2000 Hrs	12.50mm x 14.60mm	14.60mm x 14.60mm	Active	—
EEE-TK1C331UP	Panasonic	330 µF	16 V	±20%	200 mOhm @ 100kHz	3000 Hrs	10.00mm x 10.20mm	10.30mm x 10.30mm	Active	—
EEE-TP1C331AP	Panasonic	330 µF	16 V	±20%	—	3000 Hrs	10.00mm x 10.20mm	10.30mm x 10.30mm	Active	AEC-Q200

Engineering Selection Recommendations

Direct Equivalent (Same Voltage Rating - 16V):

EEE-TG1C331UP and EEE-TP1C331AP are direct voltage equivalents to the UCJ1C331MCL1GS. Both maintain 330µF capacitance, ±20% tolerance, 16V rating, and compatible SMD footprint. EEE-TP1C331AP carries AEC-Q200 automotive qualification and extended 3000-hour lifetime rating, suitable for applications requiring automotive-grade reliability. EEE-TG1C331UP also carries AEC-Q200 rating with 2000-hour lifetime. Both are Active product status.

Upgrade Parts (Higher Voltage Rating):

UCJ1E331MCL1GS (25V) and UCH1V331MCL1GS (35V) provide voltage margin above the original 16V specification. UCJ1E331MCL1GS maintains identical ESR and lifetime characteristics while increasing voltage headroom. UCH1V331MCL1GS offers the highest voltage rating (35V) with improved ESR performance (150mOhm @ 100kHz) and AEC-Q200 automotive qualification. Both are Active status and compatible with the original footprint.

Extended Lifetime Alternative:

UCZ1E331MCL1GS and EEE-TP1E331AP both provide 3000-hour lifetime ratings versus the original 2000-hour specification. UCZ1E331MCL1GS is classified as Not For New Designs but remains available. EEE-TP1E331AP is Active status with AEC-Q200 automotive qualification and 25V rating, offering superior reliability for demanding applications.

Footprint Consideration:

EEE-TK1C331AQ uses a larger 12.50mm diameter package with 14.60mm x 14.60mm land size, incompatible with the original 10.30mm x 10.30mm footprint. This part is suitable only for designs with available board space.

Frequently Asked Questions (FAQ)

Q: Can I use a higher voltage rated capacitor as a substitute?

A: Yes. A capacitor rated for 25V or 35V can replace a 16V rated unit in the same circuit. Higher voltage ratings provide additional safety margin and do not degrade circuit performance. The capacitance value (330µF) and tolerance (±20%) remain the primary functional parameters.

Q: What is the difference between Nichicon and Panasonic parts in this list?

A: Both manufacturers produce 330µF SMD aluminum electrolytic capacitors meeting the same electrical specifications. Panasonic parts (EEE series) offer AEC-Q200 automotive qualification on select models. Nichicon parts (UCJ, UCH, UCZ series) provide equivalent performance with varying lifetime ratings. Selection depends on supply chain availability and application requirements.

Q: Does ESR variation affect substitution compatibility?

A: ESR variation is acceptable within the substitution criteria. Lower ESR values (120mOhm, 150mOhm, 200mOhm) indicate improved high-frequency performance compared to the original 1.5 Ohm specification. Higher ESR is not acceptable. ESR differences do not prevent functional substitution but may affect ripple current handling and thermal performance.

Q: Can I use EEE-TK1C331AQ as a direct replacement?

A: EEE-TK1C331AQ is electrically equivalent but physically incompatible. Its 12.50mm diameter and 14.60mm height exceed the original 10.00mm diameter and 10.50mm height. The 14.60mm x 14.60mm land size does not match the original 10.30mm x 10.30mm footprint. Use only if PCB layout permits the larger package.

Q: What does "Not For New Designs" mean for UCZ1E331MCL1GS?

A: This designation indicates the part is available for existing designs and legacy applications but Nichicon does not recommend it for new product development. Equivalent Active status alternatives (UCJ1E331MCL1GS, EEE-TP1E331AP) are preferred for new designs.

Q: Are all listed parts RoHS3 compliant?

A: Yes. All parts in this comparison table are ROHS3 Compliant with Moisture Sensitivity Level 1 (Unlimited), meeting environmental and handling requirements for industrial and automotive applications.

Q: Which substitute offers the best overall performance?

A: Selection depends on application requirements. For automotive applications, EEE-TP1C331AP or UCH1V331MCL1GS provide AEC-Q200 qualification. For extended lifetime, EEE-TP1E331AP offers 3000-hour rating at 25V. For direct voltage equivalence with automotive grade, EEE-TP1C331AP is optimal.

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