Equivalent & Substitute Parts for UKW1V331MPD1TD

Part Overview

The Nichicon UKW1V331MPD1TD is a 330 µF, 35 V aluminum electrolytic capacitor in radial configuration with a 2000-hour lifetime rating at 85°C. This component is classified as "Not For New Designs," indicating it has been superseded in Nichicon's product portfolio. Finding equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain flexibility, and access components with improved performance characteristics or extended operational lifespans.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	35 V
Tolerance	±20%
Lifetime @ Temperature	2000 Hrs @ 85°C
Operating Temperature Range	-40°C ~ 85°C
Polarization	Polar
Mounting Type	Through Hole
Package / Case	Radial, Can
Lead Spacing	0.197" (5.00 mm)
Size / Dimension	0.394" Dia (10.00 mm)
Height - Seated (Max)	0.551" (14.00 mm)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the UKW1V331MPD1TD are grouped based on strict electrical and mechanical compatibility criteria:

Core Substitution Parameters:

Capacitance: 330 µF (exact match required)
Voltage Rating: 35 V (exact match required)
Tolerance: ±20% (exact match required)
Polarization: Polar (exact match required)
Mounting Type: Through Hole (exact match required)
Package / Case: Radial, Can (exact match required)
Lead Spacing: 0.197" (5.00 mm) (exact match required)
Size / Dimension: 0.394" Dia (10.00 mm) (exact match required)

Performance Variation Parameters:

Lifetime @ Temperature: May vary (2000 Hrs @ 85°C, 2000 Hrs @ 105°C, or 10000 Hrs @ 105°C)
Operating Temperature Range: May extend (from -40°C ~ 85°C to -55°C ~ 105°C)
Ripple Current: May vary based on frequency and series design
Height - Seated (Max): Minor variation permitted (14.60 mm to 14.00 mm)

All substitute parts listed maintain identical electrical ratings and mechanical footprints while offering equivalent or enhanced performance characteristics.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Series	Capacitance	Voltage	Tolerance	Lifetime @ Temp.	Operating Temp. Range	Ripple Current @ 120 Hz	Height (Max)	Product Status	Inventory
UKW1V331MPD1TD	Nichicon	UKW	330 µF	35 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	470 mA	0.551" (14.00 mm)	Not For New Designs	1130 Pcs
UFW1V331MPD1TD	Nichicon	UFW	330 µF	35 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	470 mA	0.551" (14.00 mm)	Not For New Designs	1523 Pcs
UKA1V331MPD1TD	Nichicon	UKA	330 µF	35 V	±20%	2000 Hrs @ 105°C	-55°C ~ 105°C	350 mA	0.551" (14.00 mm)	Not For New Designs	1087 Pcs
URS1V331MPD1TD	Nichicon	URS	330 µF	35 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	480 mA	0.551" (14.00 mm)	Active	744 Pcs
UVK1V331MPD1TD	Nichicon	UVK	330 µF	35 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	490 mA	0.551" (14.00 mm)	Not For New Designs	2107 Pcs
UVR1V331MPD1TD	Nichicon	UVR	330 µF	35 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	490 mA	0.551" (14.00 mm)	Not For New Designs	1743 Pcs
ECA-1VM331B	Panasonic Electronic Components	M-A	330 µF	35 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	440 mA	0.531" (14.60 mm)	Active	17243 Pcs
35ZLH330MEFCT810X12.5	Rubycon	ZLH	330 µF	35 V	±20%	10000 Hrs @ 105°C	-40°C ~ 105°C	731.5 mA	0.551" (14.00 mm)	Active	203963 Pcs
860010575012	Würth Elektronik	WCAP-ATG8	330 µF	35 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	528 mA	0.551" (14.00 mm)	Active	5657 Pcs
860020575013	Würth Elektronik	WCAP-ATG5	330 µF	35 V	±20%	2000 Hrs @ 105°C	-40°C ~ 105°C	400 mA	0.551" (14.00 mm)	Active	2193 Pcs
ECA-1VHG331B	Panasonic Electronic Components	NHG-A	330 µF	35 V	±20%	2000 Hrs @ 105°C	-55°C ~ 105°C	350 mA	0.531" (14.60 mm)	Active	2638 Pcs

Engineering Selection Recommendations

For Direct Replacement (Identical Performance Profile): UFW1V331MPD1TD (Nichicon UFW series) provides direct electrical and mechanical equivalence to the UKW1V331MPD1TD with identical ratings and performance characteristics.

For Active Product Status: URS1V331MPD1TD (Nichicon URS series) is the only Nichicon part with Active product status, making it the preferred choice for new designs requiring Nichicon components. It maintains identical electrical specifications and mechanical compatibility.

For Extended Temperature Range and Lifetime: 35ZLH330MEFCT810X12.5 (Rubycon ZLH series) offers the highest performance upgrade with 10000-hour lifetime at 105°C and extended operating temperature range (-40°C ~ 105°C). This part is suitable for applications requiring enhanced reliability and thermal performance.

For Alternative Manufacturers with Active Status: ECA-1VM331B (Panasonic M-A series) and ECA-1VHG331B (Panasonic NHG-A series) provide active product alternatives from a major manufacturer. The ECA-1VHG331B variant offers extended temperature range (-55°C ~ 105°C) and 2000-hour lifetime at 105°C.

860010575012 (Würth Elektronik WCAP-ATG8 series) and 860020575013 (Würth Elektronik WCAP-ATG5 series) provide active alternatives with enhanced ripple current performance and thermal ratings.

For Enhanced Thermal Performance: UKA1V331MPD1TD (Nichicon UKA series) and 860020575013 (Würth Elektronik WCAP-ATG5 series) both offer 2000-hour lifetime at 105°C with extended operating temperature range (-55°C ~ 105°C and -40°C ~ 105°C respectively).

All recommended substitutes maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory compatibility.

Frequently Asked Questions (FAQ)

Q: Can I use any of these substitute parts as a direct drop-in replacement for the UKW1V331MPD1TD?

A: Yes. All listed substitute parts maintain identical capacitance (330 µF), voltage rating (35 V), tolerance (±20%), polarization (polar), mounting type (through hole), package configuration (radial can), and lead spacing (5.00 mm). Mechanical footprints are compatible, with height variations between 14.60 mm and 14.00 mm, which do not affect PCB layout compatibility.

Q: What is the difference between parts marked "Not For New Designs" and "Active"?

A: "Not For New Designs" indicates the manufacturer has discontinued the part for new applications but may still support existing inventory. "Active" parts are currently manufactured and recommended for new designs. For new projects, prioritize URS1V331MPD1TD, ECA-1VM331B, ECA-1VHG331B, 860010575012, or 860020575013.

Q: Which substitute offers the best long-term reliability?

A: The 35ZLH330MEFCT810X12.5 (Rubycon ZLH series) provides the highest reliability rating with 10000-hour lifetime at 105°C, compared to the 2000-hour rating of the original part. This represents a five-fold increase in operational lifespan under elevated temperature conditions.

Q: Are there differences in ripple current handling between substitutes?

A: Yes. Ripple current ratings vary across substitutes. The 35ZLH330MEFCT810X12.5 offers the highest ripple current at 731.5 mA @ 120 Hz, while UKA1V331MPD1TD and ECA-1VHG331B offer lower ratings at 350 mA @ 120 Hz. Selection depends on application ripple current requirements.

Q: Do all substitutes have the same operating temperature range?

A: No. The original UKW1V331MPD1TD operates from -40°C to 85°C. Extended-range alternatives include UKA1V331MPD1TD (-55°C ~ 105°C), 860020575013 (-40°C ~ 105°C), and ECA-1VHG331B (-55°C ~ 105°C). Standard-range alternatives maintain -40°C ~ 85°C operation.

Q: Are all substitutes RoHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant and REACH unaffected, ensuring regulatory compliance for both existing and new applications.

Q: What is the inventory availability for each substitute?

A: Inventory levels vary significantly. The 35ZLH330MEFCT810X12.5 has the highest availability at 203,963 pieces, while URS1V331MPD1TD has the lowest at 744 pieces. Availability should be verified with suppliers for time-sensitive applications.

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