Equivalent & Substitute Parts for UKL1A331MPDANA

Part Overview

The UKL1A331MPDANA is a 330 µF, 10 V aluminum electrolytic capacitor in radial configuration manufactured by Nichicon. This component belongs to the UKL series and is rated for 1000 hours at 105°C. The part is classified as "Not For New Designs," indicating it has been superseded. Finding equivalent and 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	10 V
Tolerance	±20%
Lifetime @ Temperature	1000 Hrs @ 105°C
Operating Temperature Range	-40°C ~ 105°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)
Height - Seated (Max)	0.531" (14.60 mm)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the UKL1A331MPDANA is determined by the following criteria:

Primary Compatibility Requirements:

Capacitance: 330 µF (exact match required)
Tolerance: ±20% (standard tolerance maintained)
Polarization: Polar (electrolytic type preserved)
Package / Case: Radial, Can (physical form factor)
Mounting Type: Through Hole (PCB interface)
Lead Spacing: 0.197" (5.00 mm) (footprint compatibility)

Voltage Rating Substitution Logic: Substitute parts with voltage ratings equal to or greater than 10 V are electrically compatible. Higher voltage ratings provide operational margin and improved reliability. Parts rated at 10 V (direct equivalents) maintain identical electrical performance. Parts rated above 10 V (16 V, 25 V, 35 V) function as upgrades with enhanced voltage headroom.

Lifetime & Temperature Considerations: The original part specifies 1000 Hrs @ 105°C. Substitute parts with equal or extended lifetime ratings at the same temperature are acceptable. Extended lifetime ratings (2000 Hrs, 5000 Hrs, 6000 Hrs) indicate improved reliability margins. Operating temperature range must encompass the original specification (-40°C ~ 105°C minimum).

Substitutes are grouped into two categories:

Upgrade Substitutes (Nichicon Series): Higher voltage ratings (16 V, 25 V, 35 V) with extended or equivalent lifetime ratings. These provide enhanced performance headroom while maintaining identical capacitance, tolerance, and physical dimensions.
Direct Equivalents (Vishay & Rubycon): Same voltage rating (10 V or 25 V) from alternative manufacturers. These maintain electrical equivalence with different thermal performance characteristics or automotive-grade certifications.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ Temp	Operating Temp Range	Lead Spacing	Height (Max)	Product Status	RoHS Status
UKL1A331MPDANA	Nichicon	330 µF	10 V	±20%	1000 Hrs @ 105°C	-40°C ~ 105°C	0.197" (5.00 mm)	0.531" (14.60 mm)	Not For New Designs	ROHS3 Compliant
UHV1V331MPD	Nichicon	330 µF	35 V	±20%	6000 Hrs @ 105°C	-40°C ~ 105°C	0.197" (5.00 mm)	0.551" (14.00 mm)	Not For New Designs	ROHS3 Compliant
UKA1V331MPD	Nichicon	330 µF	35 V	±20%	2000 Hrs @ 105°C	-55°C ~ 105°C	0.197" (5.00 mm)	0.551" (14.00 mm)	Not For New Designs	ROHS3 Compliant
UPJ1C331MPD6	Nichicon	330 µF	16 V	±20%	5000 Hrs @ 105°C	-55°C ~ 105°C	0.197" (5.00 mm)	0.551" (14.00 mm)	Not For New Designs	ROHS3 Compliant
UPS1E331MPD	Nichicon	330 µF	25 V	±20%	2000 Hrs @ 105°C	-55°C ~ 105°C	0.197" (5.00 mm)	0.551" (14.00 mm)	Not For New Designs	ROHS3 Compliant
URZ1V331MPD	Nichicon	330 µF	35 V	±20%	1000 Hrs @ 105°C	-55°C ~ 105°C	0.197" (5.00 mm)	0.551" (14.00 mm)	Active	ROHS3 Compliant
UVY1V331MPD	Nichicon	330 µF	35 V	±20%	2000 Hrs @ 105°C	-55°C ~ 105°C	0.197" (5.00 mm)	0.551" (14.00 mm)	Not For New Designs	ROHS3 Compliant
MAL214054331E3	Vishay Beyschlag/Draloric/BC Components	330 µF	10 V	±20%	2500 Hrs @ 125°C	-55°C ~ 125°C	0.197" (5.00 mm)	0.531" (14.60 mm)	Active	ROHS3 Compliant
MAL214064331E3	Vishay Beyschlag/Draloric/BC Components	330 µF	10 V	±20%	2500 Hrs @ 125°C	-55°C ~ 125°C	0.197" (5.00 mm)	0.531" (14.60 mm)	Active	ROHS3 Compliant
25RX30330M10X12.5	Rubycon	330 µF	25 V	±20%	2000 Hrs @ 130°C	-40°C ~ 130°C	0.197" (5.00 mm)	0.551" (14.00 mm)	Active	ROHS3 Compliant
25YXF330MEFC10X12.5	Rubycon	330 µF	25 V	±20%	7000 Hrs @ 105°C	-40°C ~ 105°C	0.197" (5.00 mm)	0.551" (14.00 mm)	Not For New Designs	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement (Electrical Equivalence): The Vishay MAL214054331E3 and MAL214064331E3 are direct electrical equivalents with identical 330 µF, 10 V specifications. Both are Active products with extended lifetime (2500 Hrs @ 125°C) compared to the original 1000 Hrs @ 105°C. These parts maintain the same physical footprint and are ROHS3 compliant. Selection between these two Vishay variants depends on internal manufacturing differences; both are functionally equivalent.

For Voltage Upgrade (Enhanced Reliability): The Nichicon URZ1V331MPD is an Active product rated at 35 V with 1000 Hrs @ 105°C lifetime, matching the original lifetime specification while providing 4.6× voltage headroom. This part is suitable for applications requiring improved voltage margin without extended thermal performance requirements.

For Extended Lifetime (Thermal Margin): The Nichicon UPJ1C331MPD6 provides 5000 Hrs @ 105°C lifetime with 16 V rating, offering 5× lifetime extension with modest voltage upgrade. The Nichicon UHV1V331MPD provides maximum lifetime at 6000 Hrs @ 105°C with 35 V rating, combining extended thermal performance with high voltage margin.

For Automotive Applications: The Rubycon 25RX30330M10X12.5 is rated for automotive use (AEC-Q200) with 25 V rating and 2000 Hrs @ 130°C, providing extended operating temperature range (-40°C ~ 130°C) suitable for automotive environments.

Product Status Consideration: Most substitute parts are classified as "Not For New Designs." The Nichicon URZ1V331MPD, Vishay MAL214054331E3, MAL214064331E3, and Rubycon 25RX30330M10X12.5 are Active products and are preferred for new applications requiring long-term supply continuity.

Frequently Asked Questions (FAQ)

Q: Can I use a 35 V rated capacitor in place of the 10 V original? A: Yes. A 35 V rated capacitor is electrically compatible with a 10 V circuit. The higher voltage rating provides operational margin and does not affect circuit function. The capacitance value (330 µF) and tolerance (±20%) remain identical, ensuring equivalent electrical performance.

Q: What is the difference between the Nichicon upgrade options? A: The upgrade options differ in voltage rating and lifetime specification. UPJ1C331MPD6 offers 16 V / 5000 Hrs @ 105°C. UPS1E331MPD offers 25 V / 2000 Hrs @ 105°C. UHV1V331MPD offers 35 V / 6000 Hrs @ 105°C. Selection depends on circuit voltage requirements and thermal performance needs.

Q: Are the Vishay MAL214054331E3 and MAL214064331E3 interchangeable? A: Yes. Both parts are identical in electrical specification (330 µF, 10 V, ±20%) and physical dimensions. Both are Active products with 2500 Hrs @ 125°C lifetime. Internal manufacturing differences between the two part numbers do not affect functional equivalence.

Q: Will a substitute part with a taller height fit my PCB? A: Physical height must be verified against PCB clearance. The original UKL1A331MPDANA has a maximum seated height of 0.531" (14.60 mm). Most upgrade substitutes have a maximum seated height of 0.551" (14.00 mm), a 0.020" (0.50 mm) increase. Verify available vertical clearance before selection.

Q: What is the significance of "Not For New Designs" status? A: This designation indicates the part has been superseded and is no longer recommended for new product development. However, it remains suitable for maintenance, repair, and legacy system support. For new designs, select Active status parts such as URZ1V331MPD, MAL214054331E3, MAL214064331E3, or the Rubycon automotive-grade options.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts are ROHS3 compliant, matching the original part's environmental compliance status.

Q: Can I use the Rubycon 25RX30330M10X12.5 in a non-automotive application? A: Yes. The AEC-Q200 automotive rating indicates enhanced reliability and quality assurance. This part functions in any application requiring 330 µF, 25 V specifications and benefits from automotive-grade manufacturing standards.

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