UVR1E331MPA Equivalent & Substitute Parts

Part Overview

The UVR1E331MPA is a 330 µF, 25 V aluminum electrolytic capacitor in radial, can package manufactured by Nichicon. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing production and maintenance applications. The UVR series operates at 2000 hours lifetime at 85°C with general-purpose applications and is RoHS non-compliant. Identifying compatible substitutes ensures design continuity and supply chain reliability.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	25 V
Tolerance	±20%
Lifetime @ Temperature	2000 Hrs @ 85°C
Operating Temperature Range	-40°C ~ 85°C
Polarization	Polar
Lead Spacing	0.197" (5.00 mm)
Package / Case	Radial, Can
Mounting Type	Through Hole
Size / Dimension	0.394" Dia (10.00 mm)

Substitute Part Grouping Explanation

Substitution for the UVR1E331MPA is determined by strict adherence to the following electrical and mechanical parameters:

Critical Parameters (Must Match):

Capacitance: 330 µF
Voltage Rating: 25 V (or higher)
Tolerance: ±20%
Polarization: Polar
Lead Spacing: 0.197" (5.00 mm)
Package Type: Radial, Can
Mounting Type: Through Hole
Size / Dimension: 0.394" Dia (10.00 mm)

Flexible Parameters (May Vary):

Lifetime @ Temperature: Equal to or exceeding 2000 Hrs @ 85°C
Operating Temperature Range: Equal to or exceeding -40°C ~ 85°C
Ripple Current: Equal to or exceeding specified values
RoHS Status: May differ from original
Product Status: May differ from original

Substitute parts are grouped into two categories: direct equivalents (same electrical specifications) and upgrades (enhanced lifetime, temperature range, or compliance).

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ Temp.	Operating Temp.	Lead Spacing	Height (Max)	Product Status	RoHS Status
UVR1E331MPA	Nichicon	330 µF	25 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	0.197" (5.00 mm)	0.492" (12.50 mm)	Obsolete	RoHS Non-Compliant
UVR1E331MPD	Nichicon	330 µF	25 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	0.197" (5.00 mm)	0.551" (14.00 mm)	Not For New Designs	ROHS3 Compliant
UKW1E331MPD	Nichicon	330 µF	25 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	0.197" (5.00 mm)	0.492" (12.50 mm)	Not For New Designs	ROHS3 Compliant
UHE1E331MPD6	Nichicon	330 µF	25 V	±20%	7000 Hrs @ 105°C	-40°C ~ 105°C	0.197" (5.00 mm)	0.492" (12.50 mm)	Not For New Designs	ROHS3 Compliant
UFW1V331MPD	Nichicon	330 µF	35 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	0.197" (5.00 mm)	0.492" (12.50 mm)	Not For New Designs	ROHS3 Compliant
UPW1E331MPD	Nichicon	330 µF	25 V	±20%	5000 Hrs @ 105°C	-55°C ~ 105°C	0.197" (5.00 mm)	0.492" (12.50 mm)	Not For New Designs	ROHS3 Compliant
EEU-FC1E331	Panasonic Electronic Components	330 µF	25 V	±20%	3000 Hrs @ 105°C	-55°C ~ 105°C	0.197" (5.00 mm)	0.492" (12.50 mm)	Active	ROHS3 Compliant
EKY-250ELL331MJC5S	Chemi-Con	330 µF	25 V	±20%	7000 Hrs @ 105°C	-40°C ~ 105°C	0.197" (5.00 mm)	0.551" (14.00 mm)	Active	ROHS3 Compliant
EKZE250ELL331MJC5S	Chemi-Con	330 µF	25 V	±20%	4000 Hrs @ 105°C	-40°C ~ 105°C	0.197" (5.00 mm)	0.551" (14.00 mm)	Active	ROHS3 Compliant
MAL215056331E3	Vishay Beyschlag/Draloric/BC Components	330 µF	25 V	±20%	4000 Hrs @ 105°C	-55°C ~ 105°C	0.197" (5.00 mm)	0.512" (13.00 mm)	Active	ROHS3 Compliant

Engineering Selection Recommendations

Direct Equivalent (Same Electrical Specifications): UVR1E331MPD is the direct equivalent from Nichicon, maintaining identical capacitance, voltage, tolerance, and lifetime specifications. This part is ROHS3 compliant and suitable for direct replacement in existing designs, though it is not recommended for new designs.

Nichicon Upgrades (Enhanced Performance): UHE1E331MPD6, UPW1E331MPD, and UKW1E331MPD offer extended lifetime and improved temperature range while maintaining the same capacitance and voltage rating. These parts are ROHS3 compliant and provide enhanced reliability for applications requiring extended operational life.

Active Status Alternatives: EEU-FC1E331 (Panasonic), EKY-250ELL331MJC5S (Chemi-Con), EKZE250ELL331MJC5S (Chemi-Con), and MAL215056331E3 (Vishay) are all active products with ROHS3 compliance. These parts meet or exceed the electrical specifications of the UVR1E331MPA and are suitable for new designs.

Automotive-Qualified Options: EEU-FC1E331 and MAL215056331E3 carry AEC-Q200 ratings, making them suitable for automotive applications requiring enhanced reliability and traceability.

Voltage Upgrade Option: UFW1V331MPD and UKW1V331MPD provide 35 V rating instead of 25 V, offering additional voltage margin for applications where higher voltage headroom is beneficial.

Frequently Asked Questions (FAQ)

Q: Can I use a 35 V rated capacitor in place of a 25 V rated capacitor? A: Yes. A higher voltage rating is electrically compatible and provides additional safety margin. UFW1V331MPD and UKW1V331MPD are 35 V alternatives that maintain the same 330 µF capacitance and can be used as direct mechanical and electrical substitutes.

Q: What is the difference between UVR1E331MPD and UKW1E331MPD? A: Both are 330 µF, 25 V Nichicon capacitors with identical electrical specifications and 2000 Hrs @ 85°C lifetime. The primary difference is the series designation (UVR vs. UKW) and application focus (general purpose vs. audio). Mechanically, both fit the same footprint with 0.197" lead spacing and 0.492" maximum height.

Q: Why do some substitutes have different heights? A: Height variation (0.492" vs. 0.551") occurs within the same package family due to manufacturing tolerances and design iterations. Both heights are compatible with standard through-hole PCB layouts using 0.197" (5.00 mm) lead spacing. Verify PCB clearance if height-constrained applications exist.

Q: Are all substitute parts RoHS compliant? A: The original UVR1E331MPA is RoHS non-compliant. All listed substitutes are ROHS3 compliant, meeting current environmental regulations. This compliance upgrade is standard across modern equivalents.

Q: Which substitute is best for new designs? A: EEU-FC1E331 (Panasonic) and EKZE250ELL331MJC5S (Chemi-Con) are active products with extended lifetime ratings (3000 Hrs @ 105°C and 4000 Hrs @ 105°C respectively) and ROHS3 compliance. For automotive applications, EEU-FC1E331 with AEC-Q200 rating is recommended.

Q: Can I use a capacitor with longer lifetime in place of the original? A: Yes. Extended lifetime specifications (5000 Hrs @ 105°C, 7000 Hrs @ 105°C) are backward compatible and provide enhanced reliability. UHE1E331MPD6 and EKY-250ELL331MJC5S offer 7000 Hrs @ 105°C ratings suitable for demanding applications.

Q: What does "Not For New Designs" mean? A: This status indicates the part is available for legacy system support and maintenance but should not be selected for new product development. Active status parts (EEU-FC1E331, EKY-250ELL331MJC5S, EKZE250ELL331MJC5S, MAL215056331E3) are preferred for new designs.

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