Equivalent & Substitute Parts for UUL1E331MNL1GS

Part Overview

The UUL1E331MNL1GS is a 330 µF, 25 V aluminum electrolytic capacitor manufactured by Nichicon in the UUL series. This surface mount radial can capacitor is rated for 5000 hours at 105°C and is designed for general purpose applications. The part is currently active and available in tape and reel packaging with ROHS3 compliance.

Substitute parts are necessary when the original part becomes unavailable, when design requirements change, or when alternative manufacturers offer equivalent or upgraded specifications that better suit application demands.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	25 V
Tolerance	±20%
Lifetime @ Temperature	5000 Hrs @ 105°C
Operating Temperature Range	-40°C ~ 105°C
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

Substitute Part Grouping Explanation

Substitution logic for the UUL1E331MNL1GS is based on the following criteria:

Direct Equivalents maintain identical electrical specifications: 330 µF capacitance, 25 V voltage rating, ±20% tolerance, 5000 hours lifetime at 105°C, and identical physical dimensions (0.394" diameter, 0.413" maximum height). These parts are interchangeable without circuit redesign.

Upgraded Substitutes increase the voltage rating from 25 V to 35 V while maintaining all other electrical and mechanical parameters. These parts provide enhanced voltage margin and are backward compatible with 25 V applications.

Alternative Manufacturers provide equivalent specifications from different suppliers (Rubycon, Panasonic, KEMET) with identical or superior performance characteristics while maintaining the same package footprint and land pattern.

Lifetime Considerations identify parts with extended operational life (8000 hours) compared to the standard 5000 hours, offering improved reliability for demanding applications.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Voltage	Lifetime @ 105°C	Height (Max)	Ripple Current @ 120 Hz	Ripple Current @ 100 kHz	Impedance	Product Status	Packaging
UUL1E331MNL1GS	Nichicon	330 µF	25 V	5000 Hrs	0.413" (10.50mm)	238 mA	357 mA	—	Active	Tape & Reel
UUA1E331MNL1GS	Nichicon	330 µF	25 V	5000 Hrs	0.394" (10.00mm)	450 mA	—	—	Active	Tape & Reel
25TRV330M10X10.5	Rubycon	330 µF	25 V	8000 Hrs	0.413" (10.50mm)	510 mA	850 mA	120 mOhms	Active	Tape & Reel
EEE-HC1E331P	Panasonic	330 µF	25 V	5000 Hrs	0.402" (10.20mm)	238 mA	404.6 mA	—	Active	Tape & Reel
EXV337M025A9PAA	KEMET	330 µF	25 V	5000 Hrs	0.413" (10.50mm)	595 mA	850 mA	120 mOhms	Active	Tape & Reel
EEE-FC1E331AP	Panasonic	330 µF	25 V	1000 Hrs	0.402" (10.20mm)	502.5 mA	670 mA	150 mOhms	Not For New Designs	Tape & Reel
UCD1V331MNL1GS	Nichicon	330 µF	35 V	5000 Hrs	0.413" (10.50mm)	425 mA	850 mA	80 mOhms	Active	Cut Tape & Digi-Reel
UUD1V331MNL1GS	Nichicon	330 µF	35 V	5000 Hrs	0.413" (10.50mm)	335 mA	670 mA	90 mOhms	Active	Cut Tape & Digi-Reel
35TLV330M10X10.5	Rubycon	330 µF	35 V	5000 Hrs	0.413" (10.50mm)	510 mA	850 mA	80 mOhms	Active	Tape & Reel
EEE-FK1V331GP	Panasonic	330 µF	35 V	5000 Hrs	0.413" (10.50mm)	637.5 mA	850 mA	80 mOhms	Active	Tape & Reel
EXV337M035S9PAA	KEMET	330 µF	35 V	5000 Hrs	0.413" (10.50mm)	595 mA	850 mA	120 mOhms	Active	Tape & Reel

Engineering Selection Recommendations

Direct Equivalents (25 V Rating)

UUA1E331MNL1GS (Nichicon) and EEE-HC1E331P (Panasonic) are direct functional equivalents with identical electrical specifications. Both are active products with ROHS3 compliance. UUA1E331MNL1GS offers a reduced seated height of 0.394 inches compared to the original 0.413 inches, which may provide board layout advantages. EEE-HC1E331P carries AEC-Q200 automotive qualification and is suitable for automotive applications.

25TRV330M10X10.5 (Rubycon) provides extended lifetime of 8000 hours at 105°C, compared to the standard 5000 hours, with superior ripple current handling at high frequency (850 mA @ 100 kHz). This part is recommended for applications requiring enhanced reliability and thermal performance.

EXV337M025A9PAA (KEMET) offers specified impedance of 120 mOhms at 100 kHz and high ripple current capability (595 mA @ 120 Hz, 850 mA @ 100 kHz), providing improved performance in high-frequency switching applications.

Upgraded Substitutes (35 V Rating)

UCD1V331MNL1GS, UUD1V331MNL1GS (Nichicon), 35TLV330M10X10.5 (Rubycon), EEE-FK1V331GP (Panasonic), and EXV337M035S9PAA (KEMET) all provide 35 V voltage rating while maintaining 330 µF capacitance and identical physical dimensions. These parts are backward compatible with 25 V applications and provide enhanced voltage margin. All are active products with ROHS3 compliance. UCD1V331MNL1GS and UUD1V331MNL1GS are available in Cut Tape & Digi-Reel packaging. UCD1V331MNL1GS, UUD1V331MNL1GS, 35TLV330M10X10.5, EEE-FK1V331GP, and EXV337M035S9PAA carry AEC-Q200 automotive qualification.

Not Recommended for New Designs

EEE-FC1E331AP (Panasonic) is marked as "Not For New Designs" and features reduced lifetime of only 1000 hours at 105°C. This part should be avoided in new circuit designs.

Frequently Asked Questions (FAQ)

Q: Can I use a 35 V rated capacitor in place of a 25 V rated capacitor?

A: Yes. The 35 V rated substitutes (UCD1V331MNL1GS, UUD1V331MNL1GS, 35TLV330M10X10.5, EEE-FK1V331GP, EXV337M035S9PAA) are backward compatible with 25 V applications. Higher voltage rating provides additional safety margin and does not negatively affect circuit operation at lower voltages.

Q: What is the difference between tape and reel packaging and cut tape with Digi-Reel packaging?

A: Tape and reel (TR) packaging provides continuous reel format suitable for high-volume automated assembly. Cut tape with Digi-Reel packaging offers flexibility for lower-volume production or mixed component orders. Both formats are compatible with standard pick-and-place equipment. Selection depends on production volume and assembly line configuration.

Q: Does the UUA1E331MNL1GS with reduced height (0.394 inches) affect PCB layout compatibility?

A: The UUA1E331MNL1GS has a maximum seated height of 0.394 inches compared to 0.413 inches for the original UUL1E331MNL1GS. This 0.019-inch reduction may provide board layout advantages in space-constrained designs. The surface mount land pattern remains identical (0.406" L x 0.406" W), ensuring footprint compatibility.

Q: Which substitute offers the best ripple current performance?

A: EEE-FK1V331GP (Panasonic) provides the highest ripple current at low frequency (637.5 mA @ 120 Hz) among all listed substitutes. For high-frequency ripple current, multiple parts offer 850 mA @ 100 kHz: 25TRV330M10X10.5, EXV337M025A9PAA, 35TLV330M10X10.5, EEE-FK1V331GP, and EXV337M035S9PAA.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All active substitute parts listed are ROHS3 compliant. EEE-FC1E331AP is RoHS compliant but marked as "Not For New Designs" and should not be used in new circuit designs.

Q: Which substitutes carry automotive qualification?

A: The following parts carry AEC-Q200 automotive qualification: EEE-HC1E331P, UCD1V331MNL1GS, UUD1V331MNL1GS, 35TLV330M10X10.5, EEE-FK1V331GP, and EXV337M035S9PAA. These parts are suitable for automotive applications requiring industry-standard reliability certification.

Q: What is the significance of impedance specification?

A: Impedance (measured in milliohms at specified frequency) indicates the capacitor's resistance to AC current flow. Lower impedance values (80 mOhms) provide better high-frequency performance compared to higher values (150 mOhms). Parts with specified impedance include 25TRV330M10X10.5 (120 mOhms), EXV337M025A9PAA (120 mOhms), UCD1V331MNL1GS (80 mOhms), UUD1V331MNL1GS (90 mOhms), 35TLV330M10X10.5 (80 mOhms), EEE-FK1V331GP (80 mOhms), and EXV337M035S9PAA (120 mOhms).

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