UHW1J331MPD1TD Equivalent & Substitute Parts

Part Overview

The UHW1J331MPD1TD is a 330 µF, 63 V aluminum electrolytic capacitor in radial configuration manufactured by Nichicon. This component is classified as Not For New Designs, indicating it has been superseded in Nichicon's product portfolio. The part operates across a temperature range of -40°C to 105°C with a rated lifetime of 10,000 hours at 105°C, making it suitable for general-purpose applications requiring stable capacitance and ripple current handling. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure supply chain flexibility, and support legacy system maintenance.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	63 V
Tolerance	±20%
Lifetime @ Temperature	10,000 Hrs @ 105°C
Operating Temperature Range	-40°C ~ 105°C
Polarization	Polar
Package Type	Radial, Can
Mounting Type	Through Hole
Lead Spacing	0.197" (5.00 mm)
Case Diameter	0.394" (10.00 mm)
Height (Seated Max)	1.063" (27.00 mm)

Substitute Part Grouping Explanation

Substitution of the UHW1J331MPD1TD is determined by strict equivalence across the following critical parameters:

Capacitance value: 330 µF (exact match required)
Voltage rating: 63 V (exact match required)
Tolerance: ±20% (exact match required)
Lifetime specification: 10,000 Hrs @ 105°C (exact match required)
Operating temperature range: -40°C ~ 105°C (exact match required)
Polarization: Polar (exact match required)
Package configuration: Radial, Can (exact match required)
Mounting type: Through Hole (exact match required)
Physical dimensions: Lead spacing 0.197" (5.00 mm), case diameter 0.394" (10.00 mm), height 1.063" (27.00 mm) (exact match required)

The substitute part 63ZLJ330MT810X25 from Rubycon meets all these criteria, establishing it as a parametric equivalent suitable for direct replacement in applications currently using the UHW1J331MPD1TD.

Parameter Comparison

Parameter	UHW1J331MPD1TD (Nichicon)	63ZLJ330MT810X25 (Rubycon)
Capacitance	330 µF	330 µF
Voltage Rating	63 V	63 V
Tolerance	±20%	±20%
Lifetime @ Temperature	10,000 Hrs @ 105°C	10,000 Hrs @ 105°C
Operating Temperature Range	-40°C ~ 105°C	-40°C ~ 105°C
Polarization	Polar	Polar
Ripple Current @ 120 Hz	995 mA	1.095 A
Impedance	72 mOhms	46 mOhms
Lead Spacing	0.197" (5.00 mm)	0.197" (5.00 mm)
Case Diameter	0.394" (10.00 mm)	0.394" (10.00 mm)
Height (Seated Max)	1.063" (27.00 mm)	1.063" (27.00 mm)
Package Type	Radial, Can	Radial, Can
Mounting Type	Through Hole	Through Hole
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

The 63ZLJ330MT810X25 from Rubycon is a direct parametric equivalent to the UHW1J331MPD1TD. Both components satisfy identical electrical and mechanical specifications across all critical parameters. The Rubycon part carries Active product status, ensuring ongoing availability and manufacturing support, whereas the Nichicon part is designated Not For New Designs.

Both parts maintain ROHS3 compliance and REACH Unaffected status, meeting current regulatory requirements. The Rubycon substitute demonstrates improved electrical performance characteristics, including lower impedance (46 mOhms versus 72 mOhms) and higher ripple current capability at 120 Hz (1.095 A versus 995 mA), while maintaining identical rated lifetime and temperature specifications.

Selection between these parts should be based on supply chain availability, procurement lead times, and cost considerations. The Rubycon part is recommended for new procurement activities due to its Active status and superior electrical characteristics.

Frequently Asked Questions (FAQ)

Q: Can the 63ZLJ330MT810X25 be used as a direct replacement for the UHW1J331MPD1TD?

A: Yes. Both parts are parametrically equivalent across all critical specifications: 330 µF capacitance, 63 V voltage rating, ±20% tolerance, 10,000 hour lifetime at 105°C, identical operating temperature range, and matching physical dimensions. Through-hole mounting compatibility and lead spacing are identical, enabling direct PCB substitution.

Q: What is the difference in impedance between these two parts?

A: The Rubycon 63ZLJ330MT810X25 has lower impedance at 46 mOhms compared to the Nichicon UHW1J331MPD1TD at 72 mOhms. Lower impedance generally provides improved high-frequency performance and reduced voltage ripple, representing an enhancement in the substitute part.

Q: Are there packaging differences between these parts?

A: The UHW1J331MPD1TD is supplied in Cut Tape (CT) packaging, while the 63ZLJ330MT810X25 is supplied in Tape & Box (TB) packaging. Both use identical radial can configurations with matching lead spacing and physical dimensions, ensuring PCB compatibility regardless of packaging format.

Q: Why is the Nichicon part marked as Not For New Designs?

A: Product status designations indicate manufacturer recommendations for design activity. Not For New Designs typically signals that a manufacturer has superseded a part in their portfolio. The Rubycon equivalent maintains Active status, indicating current manufacturing and full product support.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the UHW1J331MPD1TD and 63ZLJ330MT810X25 are ROHS3 compliant and REACH Unaffected, meeting current environmental and regulatory requirements for electronic component manufacturing and use.

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