UBX1C331MPL Equivalent & Substitute Parts

Part Overview

The UBX1C331MPL is a 330 µF, 16 V aluminum electrolytic capacitor in radial, can package manufactured by Nichicon. This component is classified as obsolete, making equivalent substitutes necessary for ongoing production and maintenance applications. The part is designed for automotive applications with a rated lifetime of 1000 hours at 150°C and operates across a temperature range of -55°C to 150°C.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	16 V
Tolerance	±20%
Package Type	Radial, Can
Mounting Type	Through Hole
Lead Spacing	0.197" (5.00 mm)
Diameter	0.394" (10.00 mm)
Operating Temperature Range	-55°C to 150°C
Lifetime @ Temperature	1000 Hrs @ 150°C
Polarization	Polar
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the UBX1C331MPL is based on strict electrical and mechanical parameter matching. The following criteria determine compatibility:

Electrical Parameters:

Capacitance: 330 µF (exact match required)
Voltage Rating: 16 V (exact match required)
Tolerance: ±20% (exact match required)
Operating Temperature Range: -55°C to 150°C (exact match required)
Lifetime: 1000 Hrs @ 150°C (exact match required)

Mechanical Parameters:

Package Type: Radial, Can (exact match required)
Mounting Type: Through Hole (exact match required)
Lead Spacing: 0.197" (5.00 mm) (exact match required)
Diameter: 0.394" (10.00 mm) (exact match required)

Compliance Parameters:

RoHS Status: ROHS3 Compliant (exact match required)
Polarization: Polar (exact match required)

The substitute parts MAL216055331E3 and MAL216065331E3 meet all specified electrical and mechanical parameters. Both are manufactured by Vishay Beyschlag/Draloric/BC Components and are classified as active products with AEC-Q200 automotive ratings.

Parameter Comparison

Parameter	UBX1C331MPL (Nichicon)	MAL216055331E3 (Vishay)	MAL216065331E3 (Vishay)
Capacitance	330 µF	330 µF	330 µF
Voltage Rating	16 V	16 V	16 V
Tolerance	±20%	±20%	±20%
Operating Temperature Range	-55°C to 150°C	-55°C to 150°C	-55°C to 150°C
Lifetime @ Temperature	1000 Hrs @ 150°C	1000 Hrs @ 150°C	1000 Hrs @ 150°C
Package Type	Radial, Can	Radial, Can	Radial, Can
Mounting Type	Through Hole	Through Hole	Through Hole
Lead Spacing	0.197" (5.00 mm)	0.197" (5.00 mm)	0.197" (5.00 mm)
Diameter	0.394" (10.00 mm)	0.394" (10.00 mm)	0.394" (10.00 mm)
Height - Seated (Max)	0.846" (21.50 mm)	0.866" (22.00 mm)	0.866" (22.00 mm)
Polarization	Polar	Polar	Polar
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Active	Active
Automotive Rating	Automotive	AEC-Q200	AEC-Q200

Engineering Selection Recommendations

Both MAL216055331E3 and MAL216065331E3 are direct functional equivalents to the UBX1C331MPL. The substitute parts are manufactured by Vishay Beyschlag/Draloric/BC Components and carry active product status, ensuring long-term availability and supply chain continuity.

Key advantages of the substitute parts:

Active product status provides ongoing manufacturing and support
AEC-Q200 automotive qualification meets automotive application requirements
ROHS3 compliance aligns with environmental and regulatory standards
Identical electrical specifications ensure drop-in replacement capability
Mechanical dimensions are compatible with existing PCB layouts

The maximum seated height difference of 0.020" (0.50 mm) between the original part and substitutes is within typical PCB design tolerances for through-hole radial capacitors and does not impact board assembly or clearance requirements.

Frequently Asked Questions (FAQ)

Q: Can MAL216055331E3 and MAL216065331E3 be used interchangeably with UBX1C331MPL?

A: Yes. Both substitute parts match all critical electrical and mechanical parameters of the original part, including capacitance, voltage rating, tolerance, operating temperature range, package type, and lead spacing. They are direct functional equivalents.

Q: What is the difference between MAL216055331E3 and MAL216065331E3?

A: Both parts are identical in electrical specifications and mechanical dimensions. The difference in part numbers reflects internal Vishay manufacturing designations. Both are suitable substitutes for the UBX1C331MPL.

Q: Will the substitute parts fit in existing PCB designs?

A: Yes. The lead spacing of 0.197" (5.00 mm) and diameter of 0.394" (10.00 mm) are identical to the original part. The maximum seated height of the substitutes is 0.866" (22.00 mm) compared to 0.846" (21.50 mm) for the original, a difference of 0.020" (0.50 mm) that is within standard PCB design tolerances for radial capacitors.

Q: Are the substitute parts suitable for automotive applications?

A: Yes. Both MAL216055331E3 and MAL216065331E3 carry AEC-Q200 automotive qualification and are rated for automotive applications across the full operating temperature range of -55°C to 150°C.

Q: What is the impedance of the substitute parts?

A: Both substitute parts have an impedance of 65 mOhms at the specified operating conditions.

Q: Are the substitute parts RoHS compliant?

A: Yes. Both MAL216055331E3 and MAL216065331E3 are ROHS3 compliant, matching the compliance status of the original UBX1C331MPL.

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