Equivalent & Substitute Parts for UKL1E331MPD1TD

Part Overview

The Nichicon UKL1E331MPD1TD is a 330 µF, 25 V aluminum electrolytic capacitor in radial configuration with a 2000-hour lifetime at 85°C. This component is classified as Not For New Designs, indicating it has reached end-of-life status. Finding equivalent or substitute parts is necessary for ongoing maintenance, repair, and legacy system support where the original specification must be maintained or upgraded.

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
Ripple Current @ 120 Hz	490 mA
Ripple Current @ 10 kHz	735 mA
Lead Spacing	0.197" (5.00 mm)
Case Diameter	0.394" (10.00 mm)
Height	0.866" (22.00 mm)
Mounting Type	Through Hole, Radial
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the UKL1E331MPD1TD is determined by the following criteria:

Mandatory Compatibility Parameters:

Capacitance: 330 µF (exact match required)
Tolerance: ±20% (exact match required)
Lead Spacing: 0.197" (5.00 mm) (exact match required)
Case Diameter: 0.394" (10.00 mm) (exact match required)
Height: 0.866" (22.00 mm) or compatible within mechanical envelope
Mounting Type: Through Hole, Radial (exact match required)
Polarization: Polar (exact match required)

Allowable Upgrade Parameters:

Voltage Rating: 25 V or higher (higher voltage ratings provide backward compatibility)
Lifetime @ Temperature: 2000 Hrs @ 85°C or longer
Operating Temperature Range: -40°C ~ 85°C or wider
Ripple Current: Equal to or greater than specified values
Product Status: Active or Not For New Designs (both acceptable for substitution)

Substitute parts are grouped by voltage rating upgrade level, as this is the primary differentiator while maintaining full mechanical and electrical compatibility.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ Temp	Operating Temp Range	Ripple Current @ 120 Hz	Ripple Current @ 10 kHz	Product Status
UKL1E331MPD1TD	Nichicon	330 µF	25 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	490 mA	735 mA	Not For New Designs
UBW1V331MPD1TD	Nichicon	330 µF	35 V	±20%	2000 Hrs @ 135°C	-55°C ~ 135°C	475 mA	950 mA	Active
UFW1J331MPD1TD	Nichicon	330 µF	63 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	650 mA	975 mA	Not For New Designs
UKW1J331MPD1TD	Nichicon	330 µF	63 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	650 mA	975 mA	Not For New Designs
UPJ1V331MPD1TD	Nichicon	330 µF	35 V	±20%	5000 Hrs @ 105°C	-55°C ~ 105°C	810 mA	1.06 A	Not For New Designs
UPM1V331MPD1TD	Nichicon	330 µF	35 V	±20%	5000 Hrs @ 105°C	-55°C ~ 105°C	810 mA	1.06 A	Not For New Designs
UPS1H331MPD1TD	Nichicon	330 µF	50 V	±20%	2000 Hrs @ 105°C	-55°C ~ 105°C	575.1 mA	810 mA	Not For New Designs
UPW1H331MPD1TD	Nichicon	330 µF	50 V	±20%	5000 Hrs @ 105°C	-55°C ~ 105°C	669.5 mA	1.03 A	Not For New Designs
UVK1J331MPD1TD	Nichicon	330 µF	63 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	710 mA	1.065 A	Not For New Designs
UVR1J331MPD1TD	Nichicon	330 µF	63 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	710 mA	816.5 mA	Not For New Designs
50YXF330MEFCT810X20	Rubycon	330 µF	50 V	±20%	7000 Hrs @ 105°C	-40°C ~ 105°C	735 mA	1.05 A	Last Time Buy

Engineering Selection Recommendations

For Direct Replacement (Same Voltage Rating): No direct 25 V equivalent is available among the substitute parts listed. The UKL1E331MPD1TD is the only 25 V option in this series.

For Voltage Upgrade to 35 V: UBW1V331MPD1TD (Active status) is the preferred choice for new applications. It provides higher voltage margin, extended temperature range (-55°C ~ 135°C), and Active product status. UPJ1V331MPD1TD and UPM1V331MPD1TD offer extended lifetime (5000 Hrs @ 105°C) with automotive-grade compliance (UPM1V331MPD1TD includes AEC-Q200 rating).

For Voltage Upgrade to 50 V: UPS1H331MPD1TD provides 2000-hour lifetime at 105°C. UPW1H331MPD1TD offers extended lifetime (5000 Hrs @ 105°C) with improved ripple current handling. The Rubycon 50YXF330MEFCT810X20 provides the longest lifetime (7000 Hrs @ 105°C) but carries Last Time Buy status.

For Voltage Upgrade to 63 V: UFW1J331MPD1TD, UKW1J331MPD1TD, UVK1J331MPD1TD, and UVR1J331MPD1TD all provide 63 V rating with identical mechanical compatibility. All carry Not For New Designs status. Selection among these should be based on ripple current requirements and specific application thermal conditions.

Compliance Considerations: All listed substitutes maintain ROHS3 compliance. UPM1V331MPD1TD includes AEC-Q200 automotive qualification. The Rubycon part (50YXF330MEFCT810X20) is Last Time Buy status and should be used only for legacy system support.

Frequently Asked Questions (FAQ)

Q: Can I use a higher voltage-rated capacitor as a substitute? A: Yes. A capacitor with a higher voltage rating (35 V, 50 V, or 63 V) is electrically compatible with a 25 V circuit. The higher voltage rating provides additional safety margin and does not affect circuit operation. The capacitance value (330 µF) and tolerance (±20%) remain identical.

Q: Are all substitute parts mechanically identical to the UKL1E331MPD1TD? A: Yes. All listed substitutes share identical mechanical specifications: 0.394" (10.00 mm) case diameter, 0.866" (22.00 mm) height, 0.197" (5.00 mm) lead spacing, and radial through-hole mounting. They are direct mechanical replacements on the PCB.

Q: What is the difference between Nichicon series (UBW, UFW, UKW, UPJ, UPM, UPS, UPW, UVK, UVR) and the original UKL series? A: Each series represents a different product line with varying thermal ratings, lifetime specifications, and temperature ranges. Series designation indicates the specific performance tier and application category (general purpose, automotive, audio). All maintain the same 330 µF capacitance and mechanical form factor.

Q: Why is UBW1V331MPD1TD marked as Active while others are Not For New Designs? A: Product status reflects manufacturing lifecycle. Active status indicates the part is in current production and recommended for new designs. Not For New Designs indicates the part is in mature or declining production phase but remains available for legacy support. Last Time Buy indicates final availability before discontinuation.

Q: Can I substitute the Rubycon 50YXF330MEFCT810X20 for the Nichicon UKL1E331MPD1TD? A: Yes, mechanically and electrically. However, the Rubycon part carries Last Time Buy status, indicating limited future availability. It should be used only when Nichicon alternatives are unavailable and only for legacy system repairs.

Q: What is the significance of lifetime ratings (2000 Hrs @ 85°C vs. 5000 Hrs @ 105°C)? A: Lifetime rating indicates the expected operational duration at the specified temperature before capacitance degradation reaches 80% of initial value. Higher lifetime ratings and higher temperature ratings indicate superior reliability. Parts with 5000-hour ratings provide longer service life in thermally demanding applications.

Q: Are there any compliance or certification differences between substitutes? A: UPM1V331MPD1TD includes AEC-Q200 automotive qualification, making it suitable for automotive applications. All parts are ROHS3 compliant. Specific application requirements (automotive, industrial, consumer) should guide selection among qualified alternatives.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message