Equivalent & Substitute Parts for URS1V331MPD1TD

Part Overview

The Nichicon URS1V331MPD1TD 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 Active product status and is suitable for general-purpose applications requiring through-hole mounting in a 10 mm diameter, 14 mm height package.

Substitute parts are necessary when the original part becomes unavailable, when design requirements demand extended temperature operation, or when enhanced ripple current handling or lifetime specifications are required for specific application environments.

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
Package Type	Radial, Can
Lead Spacing	0.197" (5.00 mm)
Diameter	0.394" (10.00 mm)
Height	0.551" (14.00 mm)
Mounting Type	Through Hole
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the URS1V331MPD1TD is determined by strict equivalence across the following parameters:

Critical Parameters (Must Match):

Capacitance: 330 µF
Voltage Rating: 35 V
Tolerance: ±20%
Package Type: Radial, Can
Lead Spacing: 0.197" (5.00 mm)
Diameter: 0.394" (10.00 mm)
Mounting Type: Through Hole
Polarization: Polar

Allowable Variations:

Operating Temperature Range: May extend beyond -40°C ~ 85°C
Lifetime @ Temperature: May exceed 2000 Hrs @ 85°C
Height: Tolerance of ±0.020" (0.50 mm) acceptable for through-hole mounting
Ripple Current: May exceed specified values
Applications: May differ (General Purpose vs. Audio)
Product Status: Active or Not For New Designs both acceptable

Substitute parts are grouped into three categories:

Upgrade Parts (Nichicon Series): UFW1V331MPD1TD, UKA1V331MPD1TD, UKW1V331MPD1TD — Enhanced specifications within Nichicon product line, marked as Not For New Designs but electrically compatible.

Parametric Equivalents (Nichicon Series): UVK1V331MPD1TD, UVR1V331MPD1TD — Direct electrical equivalents with identical core specifications and Active or Not For New Designs status.

Direct Equivalents (Multi-Manufacturer): 860020575013 (Würth Elektronik), ECA-1VHG331B (Panasonic), ECA-1VM331B (Panasonic), EEU-HD1V331B (Panasonic), 35ZLH330MEFCT810X12.5 (Rubycon) — Cross-manufacturer parts meeting all critical parameters with Active product status.

Parameter Comparison

Part Number	Manufacturer	Series	Capacitance	Voltage	Tolerance	Lifetime @ Temp	Operating Temp	Height (Max)	Product Status	Inventory
URS1V331MPD1TD	Nichicon	URS	330 µF	35 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	0.551" (14.00 mm)	Active	744 Pcs
UFW1V331MPD1TD	Nichicon	UFW	330 µF	35 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	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	0.551" (14.00 mm)	Not For New Designs	1087 Pcs
UKW1V331MPD1TD	Nichicon	UKW	330 µF	35 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	0.551" (14.00 mm)	Not For New Designs	1130 Pcs
UVK1V331MPD1TD	Nichicon	UVK	330 µF	35 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	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	0.551" (14.00 mm)	Not For New Designs	1743 Pcs
860020575013	Würth Elektronik	WCAP-ATG5	330 µF	35 V	±20%	2000 Hrs @ 105°C	-40°C ~ 105°C	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	0.531" (14.60 mm)	Active	2638 Pcs
ECA-1VM331B	Panasonic Electronic Components	M-A	330 µF	35 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	0.531" (14.60 mm)	Active	17243 Pcs
EEU-HD1V331B	Panasonic Electronic Components	HD	330 µF	35 V	±20%	2000 Hrs @ 105°C	-55°C ~ 105°C	0.551" (14.00 mm)	Active	972 Pcs
35ZLH330MEFCT810X12.5	Rubycon	ZLH	330 µF	35 V	±20%	10000 Hrs @ 105°C	-40°C ~ 105°C	0.551" (14.00 mm)	Active	203963 Pcs

Engineering Selection Recommendations

For Direct Replacement (Same Specifications): Select ECA-1VM331B (Panasonic) when Active product status and high inventory availability are required. This part maintains identical electrical specifications and operating temperature range as the URS1V331MPD1TD while offering 17,243 units in stock. Height difference of 0.020" (0.50 mm) is within acceptable tolerance for through-hole PCB mounting.

For Extended Temperature Operation: Select ECA-1VHG331B, EEU-HD1V331B (Panasonic), or 860020575013 (Würth Elektronik) when operating temperature must extend to 105°C. All three parts are Active status with 2000-hour lifetime ratings at 105°C and support the extended temperature range of -55°C to 105°C or -40°C to 105°C.

For Enhanced Lifetime Requirements: Select 35ZLH330MEFCT810X12.5 (Rubycon ZLH series) when extended operational life is critical. This part provides 10,000-hour lifetime at 105°C, representing a five-fold improvement over standard 2000-hour ratings. Active product status and highest inventory availability (203,963 units) support production continuity.

For Nichicon-Specific Applications: When Nichicon sourcing is mandatory, UVK1V331MPD1TD or UVR1V331MPD1TD provide parametric equivalence with 2107 and 1743 units respectively. Both are marked Not For New Designs but remain electrically compatible. UKA1V331MPD1TD offers extended temperature operation (-55°C to 105°C) within the Nichicon portfolio.

All substitute parts maintain ROHS3 compliance and identical lead spacing (0.197" / 5.00 mm) for direct PCB footprint compatibility.

Frequently Asked Questions (FAQ)

Q: Can URS1V331MPD1TD be replaced with parts marked "Not For New Designs"?

A: Yes. Parts designated "Not For New Designs" (UFW1V331MPD1TD, UKA1V331MPD1TD, UKW1V331MPD1TD, UVK1V331MPD1TD, UVR1V331MPD1TD) are electrically and mechanically compatible substitutes. This designation indicates the manufacturer is not recommending them for new product development, but they remain valid for replacement in existing designs or when Active alternatives are unavailable.

Q: What is the difference between Nichicon URS, UFW, UKA, UKW, UVK, and UVR series?

A: All six series share identical capacitance (330 µF), voltage (35 V), tolerance (±20%), and package dimensions. Differences exist in lifetime ratings and operating temperature ranges. URS and UFW are rated 2000 Hrs @ 85°C. UKA is rated 2000 Hrs @ 105°C with extended temperature range (-55°C to 105°C). UKW, UVK, and UVR maintain 2000 Hrs @ 85°C with standard temperature range (-40°C to 85°C). Series designation reflects internal construction and performance characteristics but does not affect substitution eligibility.

Q: Is the 0.020" (0.50 mm) height difference between Panasonic ECA-1VHG331B (14.60 mm) and Nichicon URS1V331MPD1TD (14.00 mm) acceptable?

A: Yes. For through-hole mounted radial capacitors, this 0.50 mm height variation is within standard manufacturing tolerance and does not affect PCB assembly or electrical performance. The lead spacing (5.00 mm) remains identical, ensuring proper hole alignment.

Q: When should 35ZLH330MEFCT810X12.5 (Rubycon ZLH) be selected over other substitutes?

A: Select the Rubycon ZLH series when application lifetime requirements exceed 2000 hours at elevated temperatures. The 10,000-hour rating at 105°C provides extended service life for critical applications. Additionally, this part offers the highest ripple current handling (1.33 A @ 100 kHz) and lowest impedance (39 mOhms) among all listed substitutes, making it suitable for high-frequency switching applications.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts—Nichicon URS/UFW/UKA/UKW/UVK/UVR series, Würth Elektronik 860020575013, Panasonic ECA-1VHG331B/ECA-1VM331B/EEU-HD1V331B, and Rubycon 35ZLH330MEFCT810X12.5—are ROHS3 compliant and suitable for applications requiring RoHS certification.

Q: Can substitute parts be mixed in the same PCB assembly?

A: Yes. All substitute parts maintain identical lead spacing (5.00 mm), package type (Radial, Can), and electrical specifications (330 µF, 35 V, ±20%). Mixed sourcing from different manufacturers or series is electrically and mechanically compatible. However, for production consistency and supply chain management, single-source selection is recommended.

Q: What is the significance of ripple current ratings?

A: Ripple current capacity determines the maximum AC current the capacitor can handle without exceeding temperature limits. The URS1V331MPD1TD specifies 480 mA @ 120 Hz and 720 mA @ 10 kHz. Substitute parts with higher ripple current ratings (such as 35ZLH330MEFCT810X12.5 at 1.33 A @ 100 kHz) provide additional margin in high-frequency or high-current applications but are fully compatible in lower-stress applications.

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