UBC1E331MNS1MS Equivalent & Substitute Parts

Part Overview

The UBC1E331MNS1MS 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 This component is classified as "Not For New Designs," indicating it has been superseded in Nichicon's product line. Finding equivalent and substitute parts is necessary for ongoing production support, maintenance applications, and designs requiring compatible alternatives with equivalent or improved electrical characteristics.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	25 V
Tolerance	±20%
Package Type	Radial, Can - SMD
Size (Diameter)	0.492" (12.50 mm)
Height (Max)	0.571" (14.50 mm)
Mounting Type	Surface Mount
Operating Temperature Range	-55°C to 150°C
Polarization	Polar
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the UBC1E331MNS1MS is determined by the following criteria:

Primary Substitution Parameters:

Capacitance: 330 µF (exact match required)
Tolerance: ±20% (exact match required)
Package/Case: Radial, Can - SMD (exact match required)
Physical Dimensions: 0.492" diameter, compatible height (max 0.571")
Mounting Type: Surface Mount (exact match required)
Operating Temperature: -55°C to 150°C minimum (exact match or better)
Polarization: Polar (exact match required)

Voltage Rating Substitution Logic: Parts rated at 25 V or higher are acceptable substitutes. A higher voltage rating (35 V) provides improved safety margin and is electrically compatible in circuits designed for 25 V operation.

Identified Substitute Categories:

Direct Upgrade (Same Manufacturer): UBC1V331MNS1MS - Nichicon part with identical capacitance and tolerance, upgraded to 35 V rating, same physical footprint and series.
Cross-Manufacturer Equivalents (35 V Rating): MAL216099002E3 - Vishay Beyschlag/Draloric/BC Components equivalent with 35 V rating, improved lifetime specification (1250 Hrs @ 150°C vs. 1000 Hrs), AEC-Q200 rated.
Cross-Manufacturer Equivalent (25 V Rating): MAL216099601E3 - Vishay Beyschlag/Draloric/BC Components equivalent maintaining 25 V rating, improved lifetime specification (1250 Hrs @ 150°C vs. 1000 Hrs), AEC-Q200 rated.

Parameter Comparison

Parameter	UBC1E331MNS1MS	UBC1V331MNS1MS	MAL216099002E3	MAL216099601E3
Manufacturer	Nichicon	Nichicon	Vishay Beyschlag/Draloric/BC Components	Vishay Beyschlag/Draloric/BC Components
Capacitance	330 µF	330 µF	330 µF	330 µF
Voltage Rating	25 V	35 V	35 V	25 V
Tolerance	±20%	±20%	±20%	±20%
Lifetime @ 150°C	1000 Hrs	1000 Hrs	1250 Hrs	1250 Hrs
Operating Temperature	-55°C to 150°C	-55°C to 150°C	-55°C to 150°C	-55°C to 150°C
Size (Diameter)	0.492" (12.50 mm)	0.492" (12.50 mm)	0.492" (12.50 mm)	0.492" (12.50 mm)
Height (Max)	0.571" (14.50 mm)	0.571" (14.50 mm)	0.551" (14.00 mm)	0.551" (14.00 mm)
Surface Mount Land Size	0.535" x 0.535" (13.60 x 13.60 mm)	0.535" x 0.535" (13.60 x 13.60 mm)	0.508" x 0.508" (12.90 x 12.90 mm)	0.508" x 0.508" (12.90 x 12.90 mm)
Ripple Current @ 100 kHz	650 mA	650 mA	650 mA	650 mA
Package/Case	Radial, Can - SMD	Radial, Can - SMD	Radial, Can - SMD	Radial, Can - SMD
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Not For New Designs	Not For New Designs	Active	Active
AEC-Q200 Rating	Not specified	Not specified	Yes	Yes

Engineering Selection Recommendations

For Direct Replacement (Same Voltage Rating): MAL216099601E3 provides a direct 25 V equivalent with improved reliability. This Vishay part maintains the original voltage specification while offering extended lifetime (1250 Hrs @ 150°C vs. 1000 Hrs) and carries AEC-Q200 automotive qualification. The slightly reduced height (0.551" vs. 0.571") and smaller land size (0.508" vs. 0.535") are compatible with existing PCB layouts designed for the original part.

For Upgraded Performance (Higher Voltage Rating): UBC1V331MNS1MS or MAL216099002E3 both provide 35 V rating, offering improved voltage margin in the same physical package. The Vishay MAL216099002E3 is preferred for new production due to active product status, AEC-Q200 certification, and extended lifetime specification. The Nichicon UBC1V331MNS1MS maintains manufacturer continuity if preferred.

Compliance Considerations: All substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating. The Vishay parts carry AEC-Q200 automotive qualification, providing additional assurance for automotive applications.

Frequently Asked Questions (FAQ)

Q: Can UBC1V331MNS1MS be used as a direct substitute for UBC1E331MNS1MS? A: Yes. Both parts share identical capacitance (330 µF), tolerance (±20%), physical dimensions, and package type. The UBC1V331MNS1MS is rated for 35 V instead of 25 V, which is electrically compatible and provides improved safety margin in 25 V circuits.

Q: What is the difference between the Nichicon and Vishay substitute parts? A: The Vishay MAL216099002E3 and MAL216099601E3 parts offer extended lifetime (1250 Hrs @ 150°C vs. 1000 Hrs), AEC-Q200 automotive certification, and active product status. Physical dimensions are nearly identical with slightly reduced height and land size. All electrical parameters remain compatible.

Q: Are the land size differences between parts critical? A: The Vishay parts have smaller land sizes (0.508" vs. 0.535"). Existing PCB layouts designed for the original part will accommodate the smaller Vishay footprint without modification. No rework is required.

Q: Which substitute is recommended for new production? A: MAL216099002E3 (35 V) or MAL216099601E3 (25 V) are both recommended. Both are active products with AEC-Q200 certification and extended lifetime specifications, providing superior long-term availability and reliability compared to the "Not For New Designs" original part.

Q: Can a 35 V rated part replace a 25 V rated part in the circuit? A: Yes. A higher voltage rating is electrically compatible in circuits designed for lower voltage operation. The 35 V parts provide additional voltage margin and are suitable for direct substitution.

Q: Are all substitute parts RoHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, matching the original part's environmental specifications.

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