Nichicon UKL1C331MPD1TD Equivalent & Substitute Parts

Part Overview

The Nichicon UKL1C331MPD1TD is a 330 µF, 16 V aluminum electrolytic capacitor in radial configuration with ±20% tolerance. This component is classified as Not For New Designs, indicating it has reached end-of-life status. The UKL series provides general-purpose energy storage with a rated lifetime of 2000 hours at 85°C and operates across -40°C to 85°C. Identifying equivalent and substitute parts is necessary for legacy system maintenance, repair applications, and designs requiring compatible electrical and mechanical characteristics.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	16 V
Tolerance	±20%
Package Type	Radial, Can
Lead Spacing	0.197" (5.00 mm)
Diameter	0.394" (10.00 mm)
Height	0.689" (17.50 mm)
Mounting Type	Through Hole
Polarization	Polar
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the UKL1C331MPD1TD is determined by the following criteria:

Primary Substitution Criteria:

Capacitance value: 330 µF (exact match required)
Tolerance: ±20% (exact match required)
Package configuration: Radial, Can with identical lead spacing (5.00 mm) and physical dimensions (10.00 mm diameter)
Mounting type: Through Hole
Polarization: Polar

Voltage Rating Consideration: Substitute parts may have equal or higher voltage ratings than the original 16 V specification. A higher voltage rating maintains backward compatibility while providing additional design margin. Lower voltage ratings are not acceptable substitutes.

Grouping by Voltage Rating:

16 V Direct Equivalent: No direct 16 V alternatives provided in the substitute list
25 V Upgrades: UBW1E331MPD1TD, UPM1E331MPD6TD
35 V Upgrades: UHE1V331MPD1TD, UPS1V331MPD1TD, UPW1V331MPD1TD
50 V Upgrades: UFW1H331MPD1TD, UKA1H331MPD1TD, UKW1H331MPD1TD, UVK1H331MPD1TD, UVR1H331MPD1TD

All substitute parts maintain identical physical dimensions and lead spacing, ensuring direct mechanical compatibility in through-hole PCB applications.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ Temp.	Operating Temp. Range	Ripple Current @ 120 Hz	Package	Product Status
UKL1C331MPD1TD	Nichicon	330 µF	16 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	420 mA	Radial, Can	Not For New Designs
UBW1E331MPD1TD	Nichicon	330 µF	25 V	±20%	2000 Hrs @ 135°C	-55°C ~ 135°C	472.5 mA	Radial, Can	Active
UPM1E331MPD6TD	Nichicon	330 µF	25 V	±20%	5000 Hrs @ 105°C	-55°C ~ 105°C	630 mA	Radial, Can	Not For New Designs
UHE1V331MPD1TD	Nichicon	330 µF	35 V	±20%	7000 Hrs @ 105°C	-40°C ~ 105°C	847 mA	Radial, Can	Not For New Designs
UPS1V331MPD1TD	Nichicon	330 µF	35 V	±20%	2000 Hrs @ 105°C	-55°C ~ 105°C	568 mA	Radial, Can	Not For New Designs
UPW1V331MPD1TD	Nichicon	330 µF	35 V	±20%	5000 Hrs @ 105°C	-55°C ~ 105°C	682.5 mA	Radial, Can	Not For New Designs
UFW1H331MPD1TD	Nichicon	330 µF	50 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	570 mA	Radial, Can	Not For New Designs
UKA1H331MPD1TD	Nichicon	330 µF	50 V	±20%	2000 Hrs @ 105°C	-55°C ~ 105°C	410 mA	Radial, Can	Not For New Designs
UKW1H331MPD1TD	Nichicon	330 µF	50 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	570 mA	Radial, Can	Not For New Designs
UVK1H331MPD1TD	Nichicon	330 µF	50 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	590 mA	Radial, Can	Not For New Designs
UVR1H331MPD1TD	Nichicon	330 µF	50 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	590 mA	Radial, Can	Not For New Designs

Engineering Selection Recommendations

For Active Production and New Designs: UBW1E331MPD1TD is the only Active product in the substitute list. This 25 V, 330 µF capacitor is suitable for new designs requiring automotive-grade reliability. It provides extended operating temperature range (-55°C to 135°C) and higher ripple current capability (472.5 mA @ 120 Hz) compared to the original UKL1C331MPD1TD.

For Legacy System Maintenance: All substitute parts maintain ROHS3 compliance and identical physical packaging. Selection depends on circuit voltage requirements:

If circuit operates at 16 V with margin, 25 V substitutes (UBW1E331MPD1TD, UPM1E331MPD6TD) provide the lowest voltage headroom
If circuit operates at higher voltages or requires additional design margin, 35 V or 50 V options are available

Compliance Considerations: All listed substitutes are ROHS3 compliant. UBW1E331MPD1TD and UPM1E331MPD6TD carry AEC-Q200 automotive qualification. REACH status varies; verify compliance requirements for your specific application.

Frequently Asked Questions (FAQ)

Q: Can I use a higher voltage-rated capacitor as a direct substitute? A: Yes. A capacitor with higher voltage rating than the original specification maintains backward compatibility. The 16 V UKL1C331MPD1TD can be replaced with 25 V, 35 V, or 50 V rated alternatives, provided all other parameters (capacitance, tolerance, package, lead spacing) match exactly.

Q: Are all substitute parts mechanically compatible with the original PCB layout? A: Yes. All listed substitutes maintain identical lead spacing (5.00 mm), diameter (10.00 mm), and height (17.50 mm). They are direct mechanical replacements in through-hole applications.

Q: What is the difference between the 25 V, 35 V, and 50 V substitute options? A: The voltage rating determines the maximum voltage the capacitor can safely withstand. Higher voltage ratings provide additional design margin but may have different ripple current capabilities and thermal characteristics. Select based on your circuit's actual operating voltage and required performance margins.

Q: Why is UBW1E331MPD1TD recommended for new designs? A: UBW1E331MPD1TD is the only Active product in the substitute list, meaning it is currently in production and supported by the manufacturer. All other substitutes are Not For New Designs. For legacy maintenance, any substitute with matching electrical and mechanical parameters is acceptable.

Q: Does capacitance tolerance affect substitution? A: All substitutes maintain ±20% tolerance, matching the original specification. Tolerance is a critical substitution parameter and must not vary.

Q: Are there differences in ripple current handling between substitutes? A: Yes. Ripple current ratings vary by series. For example, UPW1V331MPD1TD handles 682.5 mA @ 120 Hz, while UKA1H331MPD1TD handles 410 mA @ 120 Hz. Select based on your circuit's actual ripple current requirements.

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