Equivalent & Substitute Parts for UVR1E331MPD

Part Overview

The Nichicon UVR1E331MPD is a 330 µF, 25 V aluminum electrolytic capacitor in radial, can package with a 2000-hour lifetime at 85°C. This part carries a "Not For New Designs" status, indicating it is obsolete or superseded. Finding equivalent and substitute parts is necessary for ongoing maintenance, repair, and legacy system support where direct replacement or upgraded alternatives are required.

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
Package Type	Radial, Can
Lead Spacing	0.197" (5.00mm)
Case Diameter	0.394" Dia (10.00mm)
Height (Seated Max)	0.551" (14.00mm)
Mounting Type	Through Hole
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the UVR1E331MPD is determined by the following critical parameters:

Capacitance Value: 330 µF (exact match required)
Voltage Rating: 25 V minimum (equal or higher voltage acceptable)
Tolerance: ±20% (standard tolerance for this category)
Package Dimensions: Lead spacing 0.197" (5.00mm), case diameter 0.394" (10.00mm), height 0.551" (14.00mm) maximum
Mounting Type: Through Hole, radial configuration
Polarization: Polar (electrolytic)

Substitute parts are grouped into three categories:

Upgrade Parts (Nichicon series with improved specifications):

UFW1E331MPD: Same voltage, audio-grade application
UHV1V331MPD: Higher voltage (35 V), extended lifetime (6000 Hrs @ 105°C)
UKA1V331MPD: Higher voltage (35 V), audio-grade, extended temperature range
UPS1E331MPD: Same voltage, extended lifetime (2000 Hrs @ 105°C), extended temperature range
URS1V331MPD: Higher voltage (35 V), active product status
UVR1V331MPD: Higher voltage (35 V), same lifetime

Similar Parts (Different mechanical dimensions):

UVK1E331MPD: Smaller case (0.315" Dia, 4.60mm lead spacing), same electrical specifications

Direct Equivalents (Alternative manufacturers, same electrical and mechanical specifications):

25YXF330MEFC10X12.5 (Rubycon): Extended lifetime (7000 Hrs @ 105°C)
337KXM025MLN (Cornell Dubilier): Active product status, extended temperature range
337RZM025M1013 (Cornell Dubilier): Active product status, extended temperature range

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Lifetime @ Temp	Operating Temp Range	Lead Spacing	Case Diameter	Height	Product Status	RoHS
UVR1E331MPD	Nichicon	330 µF	25 V	2000 Hrs @ 85°C	-40°C ~ 85°C	0.197" (5.00mm)	0.394" (10.00mm)	0.551" (14.00mm)	Not For New Designs	ROHS3
UFW1E331MPD	Nichicon	330 µF	25 V	2000 Hrs @ 85°C	-40°C ~ 85°C	0.197" (5.00mm)	0.394" (10.00mm)	0.551" (14.00mm)	Not For New Designs	ROHS3
UHV1V331MPD	Nichicon	330 µF	35 V	6000 Hrs @ 105°C	-40°C ~ 105°C	0.197" (5.00mm)	0.394" (10.00mm)	0.551" (14.00mm)	Not For New Designs	ROHS3
UKA1V331MPD	Nichicon	330 µF	35 V	2000 Hrs @ 105°C	-55°C ~ 105°C	0.197" (5.00mm)	0.394" (10.00mm)	0.551" (14.00mm)	Not For New Designs	ROHS3
UPS1E331MPD	Nichicon	330 µF	25 V	2000 Hrs @ 105°C	-55°C ~ 105°C	0.197" (5.00mm)	0.394" (10.00mm)	0.551" (14.00mm)	Not For New Designs	ROHS3
URS1V331MPD	Nichicon	330 µF	35 V	2000 Hrs @ 85°C	-40°C ~ 85°C	0.197" (5.00mm)	0.394" (10.00mm)	0.551" (14.00mm)	Active	ROHS3
UVR1V331MPD	Nichicon	330 µF	35 V	2000 Hrs @ 85°C	-40°C ~ 85°C	0.197" (5.00mm)	0.394" (10.00mm)	0.551" (14.00mm)	Not For New Designs	ROHS3
UVK1E331MPD	Nichicon	330 µF	25 V	2000 Hrs @ 85°C	-40°C ~ 85°C	0.138" (4.60mm)	0.315" (8.00mm)	0.512" (13.00mm)	Not For New Designs	ROHS3
25YXF330MEFC10X12.5	Rubycon	330 µF	25 V	7000 Hrs @ 105°C	-40°C ~ 105°C	0.197" (5.00mm)	0.394" (10.00mm)	0.551" (14.00mm)	Not For New Designs	ROHS3
337KXM025MLN	Cornell Dubilier	330 µF	25 V	4000 Hrs @ 105°C	-55°C ~ 105°C	0.197" (5.00mm)	0.394" (10.00mm)	0.551" (14.00mm)	Active	ROHS3
337RZM025M1013	Cornell Dubilier	330 µF	25 V	3000 Hrs @ 105°C	-55°C ~ 105°C	0.197" (5.00mm)	0.394" (10.00mm)	0.551" (14.00mm)	Active	ROHS3

Engineering Selection Recommendations

For Direct Replacement (Same Electrical and Mechanical Specifications):

UFW1E331MPD, 25YXF330MEFC10X12.5, 337KXM025MLN, and 337RZM025M1013 maintain identical capacitance, voltage rating, tolerance, package dimensions, and lead spacing. These parts are suitable for direct PCB substitution without layout modification. 337KXM025MLN and 337RZM025M1013 carry Active product status, ensuring long-term availability and supply chain stability.

For Upgraded Performance (Higher Voltage or Extended Lifetime):

UHV1V331MPD, UKA1V331MPD, UPS1E331MPD, URS1V331MPD, and UVR1V331MPD provide enhanced electrical characteristics while maintaining mechanical compatibility. These upgrades are applicable when circuit design permits higher voltage ratings or when extended operating temperature ranges are required. URS1V331MPD is the only upgrade option with Active product status.

For Space-Constrained Applications:

UVK1E331MPD offers the same electrical specifications as the main part but with reduced physical dimensions (0.315" diameter, 4.60mm lead spacing). This part requires PCB layout modification and is suitable only when space constraints justify redesign.

Compliance Considerations:

All listed parts maintain ROHS3 compliance. Parts with Active status (URS1V331MPD, 337KXM025MLN, 337RZM025M1013) are recommended for new production runs and long-term supply assurance.

Frequently Asked Questions (FAQ)

Q: Can I use a 35 V rated capacitor in place of the 25 V UVR1E331MPD?

A: Yes. Higher voltage ratings are electrically compatible in circuits designed for lower voltages. Parts such as UHV1V331MPD, UKA1V331MPD, URS1V331MPD, and UVR1V331MPD (all 35 V rated) are direct mechanical substitutes and will function correctly in 25 V applications.

Q: What is the difference between "Not For New Designs" and "Active" product status?

A: "Not For New Designs" indicates the part is obsolete or superseded but may remain available in inventory. "Active" status confirms the manufacturer continues production and supports long-term supply. For new designs or critical applications, select Active parts: URS1V331MPD, 337KXM025MLN, or 337RZM025M1013.

Q: Are all substitute parts pin-compatible with the original UVR1E331MPD?

A: All parts except UVK1E331MPD maintain identical lead spacing (0.197" / 5.00mm) and case diameter (0.394" / 10.00mm), ensuring direct PCB compatibility. UVK1E331MPD has different lead spacing (0.138" / 4.60mm) and case diameter (0.315" / 8.00mm), requiring PCB layout modification.

Q: What is the significance of lifetime ratings (2000 Hrs @ 85°C vs. 6000 Hrs @ 105°C)?

A: Lifetime ratings specify the expected operational duration at stated temperature conditions before capacitance degradation reaches specified limits. Higher lifetime ratings and higher temperature ratings indicate improved reliability and longer service life. UHV1V331MPD offers 6000 hours at 105°C, compared to the original part's 2000 hours at 85°C.

Q: Can I substitute a Rubycon or Cornell Dubilier part for the Nichicon UVR1E331MPD?

A: Yes. 25YXF330MEFC10X12.5 (Rubycon), 337KXM025MLN, and 337RZM025M1013 (Cornell Dubilier) are electrically and mechanically equivalent. All maintain 330 µF capacitance, 25 V rating, identical package dimensions, and ROHS3 compliance. Cornell Dubilier parts carry Active status for supply continuity.

Q: Which substitute part offers the best long-term availability?

A: URS1V331MPD (Nichicon, Active status), 337KXM025MLN (Cornell Dubilier, Active status), and 337RZM025M1013 (Cornell Dubilier, Active status) are recommended for applications requiring long-term supply assurance. Active product status ensures continued manufacturing and inventory support.

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