UES0J331MPM Equivalent & Substitute Parts

Part Overview

The UES0J331MPM is a 330 µF, 6.3 V aluminum electrolytic capacitor in radial, can package 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, making identification of equivalent and substitute components essential for ongoing production support and design updates.

Key Parameters

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

Substitute Part Grouping Explanation

Substitution of the UES0J331MPM is determined by the following critical parameters:

Capacitance Value: 330 µF (exact match required)
Tolerance: ±20% (exact match required)
Polarization: Bi-Polar (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 (exact match required)
Package / Case: Radial, Can (exact match required)

Voltage rating may be increased above the original 6.3 V specification, provided the circuit design permits higher voltage operation. Operating temperature range and lifetime ratings may vary based on application requirements. All substitute parts must maintain identical mechanical dimensions and electrical characteristics within the specified tolerance band.

Parameter Comparison

Parameter	UES0J331MPM (Main)	UVP1C331MPD (Upgrade)	337BPS016M (Upgrade)	25NXA330MEFC10X16 (Similar)
Manufacturer	Nichicon	Nichicon	Cornell Dubilier / Illinois Capacitor	Rubycon
Capacitance	330 µF	330 µF	330 µF	330 µF
Tolerance	±20%	±20%	±20%	±20%
Voltage Rating	6.3 V	16 V	16 V	25 V
Lifetime @ Temperature	1000 Hrs @ 85°C	2000 Hrs @ 85°C	2000 Hrs @ 85°C	1000 Hrs @ 105°C
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-55°C ~ 105°C
Polarization	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)
Package Diameter	0.394" (10.00 mm)	0.394" (10.00 mm)	0.394" (10.00 mm)	0.394" (10.00 mm)
Height (Max)	0.689" (17.50 mm)	0.689" (17.50 mm)	0.709" (18.00 mm)	0.689" (17.50 mm)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	Radial, Can	Radial, Can	Radial, Can	Radial, Can
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Not For New Designs	Not For New Designs	Active	Active

Engineering Selection Recommendations

UVP1C331MPD (Nichicon): This part maintains the same manufacturer lineage as the original UES0J331MPM while offering improved specifications. The voltage rating increases from 6.3 V to 16 V, and the lifetime extends from 1000 hours to 2000 hours at 85°C. Mechanical dimensions remain identical. However, this part retains "Not For New Designs" status. REACH compliance status differs (REACH Affected vs. REACH Unaffected).

337BPS016M (Cornell Dubilier / Illinois Capacitor): This part provides the same 330 µF capacitance and 16 V rating as the UVP1C331MPD, with equivalent 2000-hour lifetime at 85°C. The maximum height increases by 0.020" (0.50 mm) to 0.709" (18.00 mm), which may require PCB layout verification. This part carries "Active" product status, making it suitable for new designs. ESR is specified at 1.105 Ohm @ 120 Hz. REACH status is unaffected.

25NXA330MEFC10X16 (Rubycon): This part offers the highest voltage rating at 25 V and the widest operating temperature range (-55°C ~ 105°C). The lifetime rating is 1000 hours at 105°C, providing enhanced thermal performance. Mechanical dimensions match the original specification. This part carries "Active" product status and is suitable for new designs. REACH status is unaffected.

Frequently Asked Questions (FAQ)

Q: Can I use a higher voltage-rated capacitor as a substitute? A: Yes. The UVP1C331MPD (16 V) and 25NXA330MEFC10X16 (25 V) both exceed the original 6.3 V rating. Higher voltage ratings provide additional safety margin in the circuit. Verify that the circuit design does not impose voltage restrictions that would prevent use of higher-rated components.

Q: Are there mechanical compatibility concerns? A: The 337BPS016M has a maximum height of 0.709" (18.00 mm), compared to 0.689" (17.50 mm) for the original part. This 0.020" (0.50 mm) difference must be verified against PCB layout constraints and enclosure clearances. All other mechanical parameters (lead spacing, package diameter) remain identical across all substitute options.

Q: What is the significance of "Not For New Designs" status? A: This designation indicates that the manufacturer has discontinued or is phasing out the product line. The 337BPS016M and 25NXA330MEFC10X16 both carry "Active" status, making them preferred choices for new circuit designs. The UVP1C331MPD retains "Not For New Designs" status and is suitable only for legacy production support.

Q: How do lifetime ratings affect component selection? A: The original UES0J331MPM is rated for 1000 hours at 85°C. The UVP1C331MPD and 337BPS016M both provide 2000-hour ratings at 85°C, doubling the expected operational life. The 25NXA330MEFC10X16 maintains 1000 hours but at a higher temperature (105°C), indicating superior thermal stability.

Q: Are all substitute parts RoHS3 compliant? A: Yes. All listed substitute parts carry ROHS3 Compliant status, matching the original UES0J331MPM specification.

Q: What is the difference between REACH Affected and REACH Unaffected status? A: REACH Affected indicates that the component contains substances of concern regulated under the REACH directive and requires compliance documentation. REACH Unaffected indicates no such substances are present. The UVP1C331MPD is REACH Affected, while the original part, 337BPS016M, and 25NXA330MEFC10X16 are REACH Unaffected.

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