Equivalent & Substitute Parts for UCZ1E331MCS1GS

Part Overview

The UCZ1E331MCS1GS is a 330 µF, 25 V aluminum electrolytic capacitor in surface mount radial can package manufactured by Nichicon. This component is classified as Not For New Designs, indicating it has been superseded in Nichicon's product portfolio. The part operates across -40°C to 125°C with a 3000-hour lifetime rating at 125°C and delivers 150 mOhm ESR at 100 kHz. Identifying equivalent and substitute parts is necessary for applications requiring continued supply, design transitions, or performance optimization within the same electrical and mechanical specifications.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	25 V
Tolerance	±20%
Package Type	Radial, Can - SMD
Mounting	Surface Mount
Land Size	0.406" L x 0.406" W (10.30mm x 10.30mm)
Operating Temperature Range	-40°C to 125°C
Lifetime @ 125°C	3000 Hours
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the UCZ1E331MCS1GS is determined by strict equivalence across the following parameters:

Capacitance: 330 µF (exact match required)
Voltage Rating: 25 V (exact match required)
Tolerance: ±20% (exact match required)
Package/Case: Radial, Can - SMD (exact match required)
Land Size: 0.406" L x 0.406" W (10.30mm x 10.30mm) (exact match required)
Operating Temperature: -40°C to 125°C (exact match required)
Lifetime: 3000 Hours @ 125°C (exact match required)
RoHS3 Compliance (required)
MSL Level 1 (required)

All substitute parts listed meet these core electrical and mechanical criteria. Variations in ESR, ripple current ratings, and physical height are noted but do not disqualify substitution when the above parameters align.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	ESR @ 100kHz	Height (Max)	Product Status	Ratings
UCZ1E331MCS1GS	Nichicon	330 µF	25 V	±20%	150 mOhm	0.425" (10.80mm)	Not For New Designs	—
25TGV330M10X10.5	Rubycon	330 µF	25 V	±20%	120 mOhm	0.413" (10.50mm)	Active	AEC-Q200
25THV330M10X10.5	Rubycon	330 µF	25 V	±20%	200 mOhm @ 100Hz	0.413" (10.50mm)	Active	AEC-Q200
EEE-TC1E331P	Panasonic Electronic Components	330 µF	25 V	±20%	150 mOhm	0.413" (10.50mm)	Active	AEC-Q200
EEE-TC1E331V	Panasonic Electronic Components	330 µF	25 V	±20%	150 mOhm	0.425" (10.80mm)	Active	AEC-Q200
EEE-TP1E331AV	Panasonic Electronic Components	330 µF	25 V	±20%	150 mOhm	0.425" (10.80mm)	Active	AEC-Q200

Engineering Selection Recommendations

All listed substitute parts maintain Active product status, ensuring continued availability and manufacturing support. The Rubycon 25TGV330M10X10.5 and Panasonic EEE-TC1E331P and EEE-TC1E331V parts carry AEC-Q200 automotive qualification, suitable for applications requiring automotive-grade reliability. The Panasonic EEE-TP1E331AV and EEE-TC1E331V incorporate anti-vibration design features within the TC and TP series respectively, providing enhanced mechanical stability for high-vibration environments.

Physical height differences exist: Rubycon parts measure 0.413" (10.50mm) maximum seated height, while Nichicon UCZ1E331MCS1GS, Panasonic EEE-TC1E331V, and EEE-TP1E331AV measure 0.425" (10.80mm). PCB layout clearance must be verified for applications with tight vertical constraints.

ESR performance varies: Rubycon 25TGV330M10X10.5 delivers superior ESR at 120 mOhm, while Rubycon 25THV330M10X10.5 operates at 200 mOhm. All Panasonic parts maintain 150 mOhm ESR matching the original UCZ1E331MCS1GS specification.

Frequently Asked Questions (FAQ)

Q: Can I substitute the UCZ1E331MCS1GS with any of these parts without PCB modification?

A: Direct substitution is possible for parts with matching land size (0.406" L x 0.406" W). Height differences between 0.413" and 0.425" may require clearance verification but do not affect electrical compatibility or soldering process.

Q: What is the difference between the Rubycon TGV and THV series?

A: Both are 330 µF, 25 V, AEC-Q200 qualified parts with identical land sizes. The TGV series (25TGV330M10X10.5) provides lower ESR at 120 mOhm with higher ripple current capability. The THV series (25THV330M10X10.5) operates at 200 mOhm ESR. Selection depends on ripple current requirements and thermal management needs.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 Compliant status and MSL Level 1 (Unlimited) moisture sensitivity rating, matching the original UCZ1E331MCS1GS environmental compliance profile.

Q: Why is the original UCZ1E331MCS1GS marked "Not For New Designs"?

A: This designation indicates Nichicon has transitioned this part to end-of-life status. Active alternatives from Rubycon and Panasonic provide equivalent or superior electrical performance with continued manufacturing support and supply availability.

Q: Do the Panasonic anti-vibration variants offer performance advantages?

A: The EEE-TC1E331V and EEE-TP1E331AV incorporate anti-vibration design features within their respective series. These provide enhanced mechanical stability in high-vibration applications. Electrical specifications remain identical to standard TC and TP variants.

Q: What is the significance of AEC-Q200 rating on substitute parts?

A: AEC-Q200 certification indicates automotive-grade qualification for passive components. Rubycon and Panasonic substitute parts carry this rating, suitable for automotive and industrial applications requiring enhanced reliability standards.

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