UUX1E331MNL1GS Equivalent & Substitute Parts

Part Overview

The UUX1E331MNL1GS is a 330 µF, 25 V aluminum electrolytic capacitor manufactured by Nichicon in the UUX series. This surface mount component is rated for 2000 hours at 105°C and is designed for general purpose applications. The part is Active status and ROHS3 compliant. Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained across different Nichicon series while meeting specific application requirements.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	25 V
Tolerance	±20%
Lifetime @ 105°C	2000 Hrs
Operating Temperature Range	-55°C ~ 105°C
Package / Case	Radial, Can - SMD
Mounting Type	Surface Mount
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)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria:

Direct Substitutes (Voltage Upgrade): Parts with identical capacitance (330 µF), identical physical dimensions (0.394" Dia, 10.00mm height), identical land size (0.406" L x 0.406" W), and higher voltage ratings (35 V) are direct substitutes. These include UCD1V331MNL1GS, UCL1V331MNL1GS, and UUD1V331MNL1GS.

Similar Substitutes (Same Voltage, Different Dimensions): Parts with identical capacitance (330 µF), identical voltage rating (25 V), but different physical dimensions or series are classified as similar substitutes. These include UCD1E331MNL1GS, UCL1E331MNL1GS, UUA1E331MNL1GS, UUD1E331MNL1GS, UWD1E331MCL1GS, UWG1E331MNL1GS, and UWT1E331MNL1GS.

Key Parameters for Substitution:

Capacitance value (330 µF)
Voltage rating (25 V minimum for direct application)
Physical dimensions and land size compatibility
Operating temperature range (-55°C ~ 105°C)
Polarization (Polar)
Surface mount package type

Parameter Comparison

Part Number	Series	Capacitance	Voltage	Lifetime @ 105°C	Size / Dimension	Height (Max)	Packaging	Ratings	Applications
UUX1E331MNL1GS	UUX	330 µF	25 V	2000 Hrs	0.394" Dia (10.00mm)	0.413" (10.50mm)	Cut Tape (CT) & Digi-Reel®	-	General Purpose
UCD1V331MNL1GS	UCD	330 µF	35 V	5000 Hrs	0.394" Dia (10.00mm)	0.413" (10.50mm)	Cut Tape (CT) & Digi-Reel®	AEC-Q200	Automotive
UCL1V331MNL1GS	UCL	330 µF	35 V	2000 Hrs	0.394" Dia (10.00mm)	0.394" (10.00mm)	Tape & Reel (TR)	-	General Purpose
UUD1V331MNL1GS	UUD	330 µF	35 V	5000 Hrs	0.394" Dia (10.00mm)	0.413" (10.50mm)	Cut Tape (CT) & Digi-Reel®	AEC-Q200	Automotive
UCD1E331MNL1GS	UCD	330 µF	25 V	5000 Hrs	0.315" Dia (8.00mm)	0.413" (10.50mm)	Tape & Reel (TR)	AEC-Q200	Automotive
UCL1E331MNL1GS	UCL	330 µF	25 V	2000 Hrs	0.315" Dia (8.00mm)	0.394" (10.00mm)	Tape & Reel (TR)	-	General Purpose
UUA1E331MNL1GS	UUA	330 µF	25 V	5000 Hrs	0.394" Dia (10.00mm)	0.394" (10.00mm)	Tape & Reel (TR)	-	General Purpose
UUD1E331MNL1GS	UUD	330 µF	25 V	5000 Hrs	0.315" Dia (8.00mm)	0.413" (10.50mm)	Tape & Reel (TR)	AEC-Q200	Automotive
UWD1E331MCL1GS	UWD	330 µF	25 V	5000 Hrs	0.394" Dia (10.00mm)	0.394" (10.00mm)	Tape & Reel (TR)	-	General Purpose
UWG1E331MNL1GS	UWG	330 µF	25 V	1000 Hrs	0.394" Dia (10.00mm)	0.394" (10.00mm)	Tape & Reel (TR)	AEC-Q200	General Purpose
UWT1E331MNL1GS	UWT	330 µF	25 V	1000 Hrs	0.315" Dia (8.00mm)	0.394" (10.00mm)	Cut Tape (CT) & Digi-Reel®	-	General Purpose

Engineering Selection Recommendations

For Direct Replacement (Same PCB Footprint): UCD1V331MNL1GS, UCL1V331MNL1GS, and UUD1V331MNL1GS maintain identical physical dimensions (0.394" Dia, 10.00mm) and land size (0.406" L x 0.406" W) as the UUX1E331MNL1GS. These parts support voltage upgrade to 35 V while preserving PCB compatibility. UCD1V331MNL1GS and UUD1V331MNL1GS carry AEC-Q200 automotive qualification and extended lifetime (5000 Hrs @ 105°C).

For Extended Lifetime Applications: UUA1E331MNL1GS, UCD1E331MNL1GS, UUD1E331MNL1GS, and UWD1E331MCL1GS provide 5000-hour lifetime ratings at 105°C compared to the 2000-hour rating of UUX1E331MNL1GS. UCD1E331MNL1GS and UUD1E331MNL1GS include AEC-Q200 automotive qualification.

For Automotive Applications: UCD1V331MNL1GS, UUD1V331MNL1GS, UCD1E331MNL1GS, UUD1E331MNL1GS, and UWG1E331MNL1GS carry AEC-Q200 ratings. UCD1V331MNL1GS and UUD1V331MNL1GS are recommended for direct replacement in automotive circuits requiring voltage upgrade.

For Packaging Considerations: UCD1V331MNL1GS and UUD1V331MNL1GS are supplied in Cut Tape (CT) & Digi-Reel® packaging, matching the UUX1E331MNL1GS format. Tape & Reel (TR) packaged alternatives include UCL1V331MNL1GS, UCD1E331MNL1GS, UCL1E331MNL1GS, UUA1E331MNL1GS, UUD1E331MNL1GS, UWD1E331MCL1GS, UWG1E331MNL1GS.

Frequently Asked Questions (FAQ)

Q: Can UCD1V331MNL1GS replace UUX1E331MNL1GS directly on the PCB? A: Yes. Both parts share identical physical dimensions (0.394" Dia, 10.00mm height) and land size (0.406" L x 0.406" W). UCD1V331MNL1GS provides a voltage upgrade from 25 V to 35 V with extended lifetime (5000 Hrs @ 105°C vs. 2000 Hrs).

Q: What is the difference between Cut Tape (CT) & Digi-Reel® and Tape & Reel (TR) packaging? A: Packaging format affects supply and handling. Cut Tape (CT) & Digi-Reel® is suitable for lower-volume applications, while Tape & Reel (TR) is optimized for high-volume automated assembly. Electrical and mechanical specifications remain identical.

Q: Are smaller diameter parts (0.315" Dia, 8.00mm) compatible with the UUX1E331MNL1GS footprint? A: No. Smaller diameter parts require different PCB land sizes (0.327" L x 0.327" W vs. 0.406" L x 0.406" W). These are classified as similar substitutes and require PCB redesign.

Q: Which substitute parts are suitable for automotive applications? A: UCD1V331MNL1GS, UUD1V331MNL1GS, UCD1E331MNL1GS, UUD1E331MNL1GS, and UWG1E331MNL1GS carry AEC-Q200 automotive qualification.

Q: What is the minimum lifetime requirement for a substitute part? A: Substitution is based on provided specifications only. UUX1E331MNL1GS is rated 2000 Hrs @ 105°C. Parts with equal or extended lifetime (UUA1E331MNL1GS, UCD1E331MNL1GS, UUD1E331MNL1GS, UWD1E331MCL1GS at 5000 Hrs) provide enhanced reliability.

Q: Can parts with 1000-hour lifetime (UWG1E331MNL1GS, UWT1E331MNL1GS) substitute for UUX1E331MNL1GS? A: These parts have reduced lifetime ratings (1000 Hrs @ 105°C vs. 2000 Hrs). Substitution is possible only if application requirements permit lower lifetime specifications.

Q: What compliance certifications apply to all substitute parts? A: All parts are ROHS3 compliant. AEC-Q200 automotive qualification is available on UCD1V331MNL1GS, UUD1V331MNL1GS, UCD1E331MNL1GS, UUD1E331MNL1GS, and UWG1E331MNL1GS.

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