UES0J331MPM1TD Equivalent & Substitute Parts

Part Overview

The UES0J331MPM1TD is a 330 µF, 6.3 V aluminum electrolytic capacitor in radial configuration manufactured by Nichicon. This component is rated for 1000 hours at 85°C and is designed for audio applications. The part carries a "Not For New Designs" status, indicating it is legacy technology. Identifying equivalent and substitute parts is necessary for ongoing maintenance, repair, and legacy system support where this capacitor is specified in existing designs.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	6.3 V
Tolerance	±20%
Lifetime @ 85°C	1000 Hrs
Operating Temperature Range	-40°C ~ 85°C
Polarization	Bi-Polar
Lead Spacing	0.197" (5.00 mm)
Package Diameter	0.394" (10.00 mm)
Package Height	0.689" (17.50 mm)
Mounting Type	Through Hole Radial
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the UES0J331MPM1TD is determined by the following criteria:

Mandatory Parameters for Substitution:

Capacitance: 330 µF (exact match required)
Tolerance: ±20% (exact match required)
Lead Spacing: 0.197" (5.00 mm) (exact match required)
Package Diameter: 0.394" (10.00 mm) (exact match required)
Mounting Type: Through Hole Radial (exact match required)
Operating Temperature Range: -40°C ~ 85°C (exact match required)

Allowable Variations:

Voltage Rating: May be equal to or higher than 6.3 V (higher voltage provides backward compatibility)
Lifetime @ 85°C: May be equal to or higher than 1000 Hrs (extended lifetime is acceptable)
Package Height: Minor variations acceptable within mechanical constraints
Manufacturer: Different manufacturers permitted if all other parameters match

All four substitute parts meet these criteria. The substitutes are grouped by voltage rating upgrade, which provides enhanced performance margins while maintaining full mechanical and electrical compatibility.

Parameter Comparison

Parameter	UES0J331MPM1TD	UVP1A331MPD1TD	UVP1C331MPD1TD	ECE-A1AN331UB	ECE-A1CN331UB
Manufacturer	Nichicon	Nichicon	Nichicon	Panasonic	Panasonic
Capacitance	330 µF	330 µF	330 µF	330 µF	330 µF
Voltage Rating	6.3 V	10 V	16 V	10 V	16 V
Tolerance	±20%	±20%	±20%	±20%	±20%
Lifetime @ 85°C	1000 Hrs	2000 Hrs	2000 Hrs	2000 Hrs	2000 Hrs
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Polarization	Bi-Polar	Bi-Polar	Bi-Polar	Bi-Polar	Bi-Polar
Lead Spacing	0.197" (5.00 mm)	0.197" (5.00 mm)	0.197" (5.00 mm)	0.197" (5.00 mm)	0.197" (5.00 mm)
Package Diameter	0.394" (10.00 mm)	0.394" (10.00 mm)	0.394" (10.00 mm)	0.394" (10.00 mm)	0.394" (10.00 mm)
Package Height (Max)	0.689" (17.50 mm)	0.689" (17.50 mm)	0.689" (17.50 mm)	0.669" (17.00 mm)	0.669" (17.00 mm)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Product Status	Not For New Designs	Not For New Designs	Not For New Designs	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Nichicon UVP Series (UVP1A331MPD1TD, UVP1C331MPD1TD): These parts maintain manufacturer continuity with the original UES0J331MPM1TD. Both offer doubled lifetime ratings (2000 Hrs @ 85°C) compared to the original specification. UVP1A331MPD1TD provides 10 V rating, while UVP1C331MPD1TD provides 16 V rating. Both carry "Not For New Designs" status, consistent with the legacy nature of this component family. Selection between these two depends on circuit voltage margin requirements.

Panasonic ECE-A1 Series (ECE-A1AN331UB, ECE-A1CN331UB): These parts offer cross-manufacturer substitution with Active product status, indicating ongoing availability and support. ECE-A1AN331UB provides 10 V rating with 2000 Hrs @ 85°C lifetime. ECE-A1CN331UB provides 16 V rating with 2000 Hrs @ 85°C lifetime. Both are ROHS3 compliant. The Panasonic options are preferred for new legacy system repairs where extended component availability is required. Package height is slightly reduced (0.669" vs 0.689"), which may provide additional PCB clearance in space-constrained designs.

All four substitutes are electrically and mechanically compatible with the original UES0J331MPM1TD. Selection should be based on manufacturer preference, voltage margin requirements, and product lifecycle support needs.

Frequently Asked Questions (FAQ)

Q: Can I use a higher voltage-rated capacitor as a substitute? A: Yes. The UES0J331MPM1TD is rated at 6.3 V. Substitutes rated at 10 V or 16 V are fully compatible and provide additional voltage margin. Higher voltage ratings do not affect circuit operation when the applied voltage remains at or below the original 6.3 V specification.

Q: What is the difference between the Nichicon and Panasonic substitutes? A: Both manufacturers provide equivalent electrical performance with identical capacitance, tolerance, and operating temperature range. The primary differences are manufacturer identity and product status. Nichicon UVP series maintains the original manufacturer lineage. Panasonic ECE-A1 series offers Active product status, indicating longer-term availability. Both are ROHS3 compliant.

Q: Are there packaging differences I should consider? A: The Panasonic ECE-A1 series has a slightly reduced maximum height (0.669" vs 0.689"), which may provide additional clearance in space-constrained PCB layouts. Lead spacing and package diameter are identical across all parts. Nichicon parts are supplied in Cut Tape (CT) packaging, while Panasonic ECE-A1AN331UB is supplied in Tape & Box (TB) and ECE-A1CN331UB in Cut Tape (CT).

Q: Which substitute should I choose for long-term reliability? A: All substitutes offer 2000 Hrs @ 85°C lifetime, which is double the original 1000 Hrs specification. For applications requiring extended component availability, the Panasonic ECE-A1 series with Active product status is recommended. For manufacturer continuity, the Nichicon UVP series is recommended.

Q: Do I need to verify these substitutes in my specific circuit? A: All substitutes meet the mandatory electrical and mechanical parameters for direct replacement. Circuit verification is not required for substitution compatibility. However, application-specific performance validation may be warranted based on your design requirements.

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