Equivalent & Substitute Parts for URS1V331MPD

Part Overview

The URS1V331MPD is a 330 µF, 35 V aluminum electrolytic capacitor in radial, can package manufactured by Nichicon. This component is rated for 2000 hours at 85°C and is designed for general-purpose applications. The part is currently active in production and ROHS3 compliant.

Equivalent and substitute parts are necessary when the primary part becomes unavailable, when design requirements demand extended operational lifetime, enhanced ripple current handling, or when alternative manufacturers must be qualified for supply chain resilience.

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
Lead Spacing	0.197" (5.00 mm)
Package / Case	Radial, Can
Mounting Type	Through Hole
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict adherence to the following parameters:

Critical Parameters (Must Match):

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

Allowable Variations:

Operating Temperature Range: May extend beyond -40°C ~ 85°C
Lifetime @ Temperature: May exceed 2000 Hrs @ 85°C
Ripple Current: May exceed specified values
Physical Dimensions: Height may vary within mechanical constraints
Manufacturer: Different manufacturers acceptable if all critical parameters match

Substitute parts are grouped into four categories based on their relationship to the main part:

Direct Manufacturer Equivalents: Parts from Nichicon with identical electrical specifications but different series designations or enhanced performance characteristics.

Upgrade Equivalents: Parts with extended temperature range or improved lifetime ratings, suitable for applications requiring enhanced reliability.

Similar Equivalents: Parts with matching electrical parameters but different physical dimensions, requiring mechanical validation.

Parametric Equivalents: Parts from alternative manufacturers meeting all critical electrical and mechanical specifications.

Parameter Comparison

Part Number	Manufacturer	Series	Capacitance	Voltage	Lifetime @ Temp.	Operating Temp. Range	Lead Spacing	Size / Dimension	Height (Max)	Product Status	RoHS Status
URS1V331MPD	Nichicon	URS	330 µF	35 V	2000 Hrs @ 85°C	-40°C ~ 85°C	0.197" (5.00 mm)	0.394" Dia (10.00 mm)	0.551" (14.00 mm)	Active	ROHS3 Compliant
UHV1V331MPD	Nichicon	UHV	330 µF	35 V	6000 Hrs @ 105°C	-40°C ~ 105°C	0.197" (5.00 mm)	0.394" Dia (10.00 mm)	0.551" (14.00 mm)	Not For New Designs	ROHS3 Compliant
UKA1V331MPD	Nichicon	UKA	330 µF	35 V	2000 Hrs @ 105°C	-55°C ~ 105°C	0.197" (5.00 mm)	0.394" Dia (10.00 mm)	0.551" (14.00 mm)	Not For New Designs	ROHS3 Compliant
UKL1V331MHD	Nichicon	UKL	330 µF	35 V	2000 Hrs @ 85°C	-40°C ~ 85°C	0.197" (5.00 mm)	0.492" Dia (12.50 mm)	0.846" (21.50 mm)	Not For New Designs	ROHS3 Compliant
UVR1V331MPD	Nichicon	UVR	330 µF	35 V	2000 Hrs @ 85°C	-40°C ~ 85°C	0.197" (5.00 mm)	0.394" Dia (10.00 mm)	0.551" (14.00 mm)	Not For New Designs	ROHS3 Compliant
35ZLQ330MEFC10X12.5	Rubycon	ZLQ	330 µF	35 V	5000 Hrs @ 105°C	-40°C ~ 105°C	0.197" (5.00 mm)	0.394" Dia (10.00 mm)	0.551" (14.00 mm)	Active	ROHS3 Compliant
B41821A7337M000	EPCOS - TDK Electronics	B41821	330 µF	35 V	2000 Hrs @ 85°C	-40°C ~ 85°C	0.197" (5.00 mm)	0.394" Dia (10.00 mm)	0.531" (14.60 mm)	Active	ROHS3 Compliant
ECA-1VHG331	Panasonic Electronic Components	NHG-A	330 µF	35 V	2000 Hrs @ 105°C	-55°C ~ 105°C	0.197" (5.00 mm)	0.394" Dia (10.00 mm)	0.531" (14.60 mm)	Active	ROHS3 Compliant
ECA-1VM331	Panasonic Electronic Components	M-A	330 µF	35 V	2000 Hrs @ 85°C	-40°C ~ 85°C	0.197" (5.00 mm)	0.394" Dia (10.00 mm)	0.531" (14.60 mm)	Active	ROHS3 Compliant
ECA-1VM331B	Panasonic Electronic Components	M-A	330 µF	35 V	2000 Hrs @ 85°C	-40°C ~ 85°C	0.197" (5.00 mm)	0.394" Dia (10.00 mm)	0.531" (14.60 mm)	Active	ROHS3 Compliant
EEU-HD1V331	Panasonic Electronic Components	HD	330 µF	35 V	2000 Hrs @ 105°C	-55°C ~ 105°C	0.197" (5.00 mm)	0.394" Dia (10.00 mm)	0.551" (14.00 mm)	Active	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications): ECA-1VM331 and ECA-1VM331B from Panasonic are direct electrical and mechanical equivalents to URS1V331MPD. Both are active products with ROHS3 compliance. ECA-1VM331B is available in Tape & Box packaging, while ECA-1VM331 is supplied in bulk. Both maintain the same 2000 Hrs @ 85°C lifetime and operating temperature range.

For Extended Temperature Operation: ECA-1VHG331 and EEU-HD1V331 from Panasonic extend the operating temperature range to -55°C ~ 105°C and provide 2000 Hrs @ 105°C lifetime. Both are active products with ROHS3 compliance. These are suitable when applications require operation beyond the standard -40°C ~ 85°C range.

For Enhanced Lifetime at Elevated Temperature: 35ZLQ330MEFC10X12.5 from Rubycon provides 5000 Hrs @ 105°C with -40°C ~ 105°C operating range. This part is active and ROHS3 compliant, offering superior reliability for applications requiring extended service life at elevated temperatures.

For General Purpose Applications with Active Status: B41821A7337M000 from EPCOS - TDK Electronics is an active product with identical electrical specifications to URS1V331MPD. It maintains 2000 Hrs @ 85°C lifetime and -40°C ~ 85°C operating range with ROHS3 compliance.

Parts Not Recommended for New Designs: UHV1V331MPD, UKA1V331MPD, UKL1V331MHD, and UVR1V331MPD are marked "Not For New Designs" and should be used only for legacy system maintenance or repair applications.

Frequently Asked Questions (FAQ)

Q: Can UKL1V331MHD be used as a direct replacement for URS1V331MPD? A: UKL1V331MHD meets all critical electrical parameters but has different physical dimensions (0.492" Dia × 0.846" Height vs. 0.394" Dia × 0.551" Height). Mechanical validation is required to confirm PCB layout compatibility before substitution.

Q: What is the difference between ECA-1VM331 and ECA-1VM331B? A: Both parts are electrically and mechanically identical. The primary difference is packaging: ECA-1VM331 is supplied in bulk, while ECA-1VM331B is supplied in Tape & Box format. Selection depends on assembly process requirements.

Q: Is 35ZLQ330MEFC10X12.5 suitable for applications requiring -55°C minimum operating temperature? A: No. 35ZLQ330MEFC10X12.5 operates from -40°C to 105°C. For -55°C minimum temperature, use ECA-1VHG331 or EEU-HD1V331, both rated -55°C ~ 105°C.

Q: Why are some substitute parts marked "Not For New Designs"? A: Parts designated "Not For New Designs" are legacy products that manufacturers have discontinued for new applications. These parts remain available for existing product support and repair but should not be specified in new designs.

Q: Can I use UHV1V331MPD as a direct replacement? A: UHV1V331MPD meets all critical electrical and mechanical specifications but is marked "Not For New Designs." It is suitable only for legacy system maintenance. For new applications, use active products such as ECA-1VM331, ECA-1VHG331, or 35ZLQ330MEFC10X12.5.

Q: What is the advantage of 35ZLQ330MEFC10X12.5 over ECA-1VM331? A: 35ZLQ330MEFC10X12.5 provides 5000 Hrs @ 105°C lifetime compared to ECA-1VM331's 2000 Hrs @ 85°C. This extended lifetime makes it suitable for applications requiring higher reliability or operation at elevated temperatures. Both are active products with identical electrical specifications and lead spacing.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All parts listed in this reference are ROHS3 compliant and suitable for applications requiring RoHS compliance.

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