UVP1V331MHD Equivalent & Substitute Parts

Part Overview

The UVP1V331MHD is a 330 µF, 35 V aluminum electrolytic capacitor in radial, can package manufactured by Nichicon. This component is classified as Not For New Designs, indicating it has been superseded in the manufacturer's product line. Finding equivalent substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support legacy system repairs and production runs where this specific part number may no longer be readily available.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage - Rated	35 V
Tolerance	±20%
Polarization	Bi-Polar
Lifetime @ Temperature	2000 Hrs @ 85°C
Operating Temperature Range	-40°C ~ 85°C
Lead Spacing	0.197" (5.00 mm)
Size / Dimension	0.492" Dia (12.50 mm)
Mounting Type	Through Hole
Package / Case	Radial, Can
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the UVP1V331MHD are qualified based on strict electrical and mechanical parameter matching:

Primary Substitution Criteria:

Capacitance: 330 µF (exact match required)
Voltage Rating: 35 V (exact match required)
Tolerance: ±20% (exact match required)
Polarization: Bi-Polar (exact match required)
Lifetime: 2000 Hrs @ 85°C (exact match required)
Operating Temperature: -40°C ~ 85°C (exact match required)
Lead Spacing: 0.197" (5.00 mm) (exact match required)
Can Diameter: 0.492" (12.50 mm) (exact match required)
Mounting Type: Through Hole (exact match required)
Package: Radial, Can (exact match required)
RoHS Compliance: ROHS3 Compliant (exact match required)

All substitute parts listed below meet these criteria and are therefore electrically and mechanically interchangeable with the UVP1V331MHD in applications requiring these specifications.

Parameter Comparison

Parameter	UVP1V331MHD (Nichicon)	337BPS035M (Cornell Dubilier)	ECE-A1VN331U (Panasonic)	ECE-A1VN331UB (Panasonic)
Capacitance	330 µF	330 µF	330 µF	330 µF
Voltage - Rated	35 V	35 V	35 V	35 V
Tolerance	±20%	±20%	±20%	±20%
Polarization	Bi-Polar	Bi-Polar	Bi-Polar	Bi-Polar
Lifetime @ Temperature	2000 Hrs @ 85°C	2000 Hrs @ 85°C	2000 Hrs @ 85°C	2000 Hrs @ 85°C
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Lead Spacing	0.197" (5.00 mm)	0.197" (5.00 mm)	0.197" (5.00 mm)	0.197" (5.00 mm)
Can Diameter	0.492" (12.50 mm)	0.492" (12.50 mm)	0.492" (12.50 mm)	0.492" (12.50 mm)
Height - Seated (Max)	0.866" (22.00 mm)	0.866" (22.00 mm)	0.787" (20.00 mm)	0.866" (22.00 mm)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	Radial, Can	Radial, Can	Radial, Can	Radial, Can
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Not For New Designs	Active	Active	Active

Engineering Selection Recommendations

Direct Substitution - 337BPS035M (Cornell Dubilier / Illinois Capacitor): This part is the primary direct substitute for the UVP1V331MHD. It maintains all critical electrical and mechanical parameters, including identical lead spacing, can diameter, and height. The 337BPS035M carries Active product status, ensuring ongoing availability and support. It is ROHS3 compliant and REACH unaffected, meeting current regulatory requirements. This part is suitable for immediate replacement in legacy designs and new production runs.

Alternative Substitutes - ECE-A1VN331U and ECE-A1VN331UB (Panasonic Electronic Components): Both Panasonic parts are functionally equivalent substitutes with Active product status. The ECE-A1VN331U has a maximum seated height of 0.787" (20.00 mm), which is 0.079" (2.00 mm) shorter than the original specification. The ECE-A1VN331UB matches the original height specification at 0.866" (22.00 mm). Both parts are ROHS3 compliant and REACH unaffected. Selection between these alternatives should be based on available board space and mechanical clearance requirements.

Frequently Asked Questions (FAQ)

Q: Can the 337BPS035M be used as a direct replacement for the UVP1V331MHD? A: Yes. The 337BPS035M meets all electrical and mechanical specifications of the UVP1V331MHD, including capacitance, voltage rating, tolerance, polarization, lifetime rating, operating temperature range, lead spacing, can diameter, and height. It is a direct substitute suitable for through-hole PCB mounting.

Q: What is the difference between ECE-A1VN331U and ECE-A1VN331UB? A: Both parts are electrically identical with matching capacitance, voltage, tolerance, and thermal ratings. The primary difference is physical height: ECE-A1VN331U has a maximum seated height of 0.787" (20.00 mm), while ECE-A1VN331UB has a maximum seated height of 0.866" (22.00 mm). The ECE-A1VN331UB matches the original UVP1V331MHD height specification.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts—337BPS035M, ECE-A1VN331U, and ECE-A1VN331UB—are ROHS3 compliant, meeting current environmental and regulatory standards.

Q: Why is the UVP1V331MHD marked as Not For New Designs? A: This designation indicates that Nichicon has superseded this part in their product line. While existing inventory remains available, the manufacturer recommends using current-generation alternatives for new design work. The substitute parts listed here represent active, supported alternatives.

Q: Do all substitute parts have the same ripple current ratings? A: Ripple current specifications vary slightly between manufacturers. The 337BPS035M specifies 505 mA @ 120 Hz and 752.45 mA @ 50 kHz. The Panasonic parts specify 450 mA @ 120 Hz and 765 mA @ 10 kHz. These variations are within acceptable engineering tolerances for the 330 µF, 35 V capacitor category and do not affect interchangeability for general-purpose applications.

Q: Can these parts be used interchangeably on the same PCB? A: Yes, all substitute parts share identical lead spacing (0.197" / 5.00 mm) and can diameter (0.492" / 12.50 mm), ensuring compatible through-hole mounting. Height differences between ECE-A1VN331U and other parts should be considered only if vertical clearance is constrained.

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