UVP1E331MHD Equivalent & Substitute Parts

Part Overview

The Nichicon UVP1E331MHD is a 330 µF, 25 V aluminum electrolytic capacitor in radial, can package with through-hole mounting. This component is classified as Not For New Designs, indicating it has reached end-of-life status. The UVP series is no longer recommended for new circuit designs. Finding equivalent or substitute parts is necessary for maintenance, repair, and legacy system support where the original component is unavailable or inventory is depleted.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	25 V
Tolerance	±20%
Lifetime @ Temperature	2000 Hrs @ 85°C
Operating Temperature Range	-40°C ~ 85°C
Lead Spacing	0.197" (5.00 mm)
Package / Case	Radial, Can
Mounting Type	Through Hole
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the UVP1E331MHD is determined by the following criteria:

Upgrade Substitutes (Higher voltage rating, same capacitance):

Voltage rating increased from 25 V to 35 V
Capacitance remains 330 µF
Tolerance remains ±20%
Lead spacing, package type, and mounting remain identical
Operating temperature range and lifetime specifications maintained
These parts provide enhanced voltage margin while maintaining electrical compatibility

Similar Substitutes (Same voltage rating, different packaging):

Voltage rating matches at 25 V
Capacitance remains 330 µF
Tolerance remains ±20%
Lead spacing, package type, and mounting remain identical
Operating temperature range and lifetime specifications maintained
Packaging variants (Bulk vs. Tape & Box) accommodate different procurement and assembly workflows

Parameter Comparison

Parameter	UVP1E331MHD	337BPS035M	ECE-A1VN331U	ECE-A1VN331UB	ECE-A1EN331U	ECE-A1EN331UB
Manufacturer	Nichicon	Cornell Dubilier / Illinois Capacitor	Panasonic	Panasonic	Panasonic	Panasonic
Capacitance	330 µF	330 µF	330 µF	330 µF	330 µF	330 µF
Voltage Rating	25 V	35 V	35 V	35 V	25 V	25 V
Tolerance	±20%	±20%	±20%	±20%	±20%	±20%
Lifetime @ Temperature	2000 Hrs @ 85°C	2000 Hrs @ 85°C	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	-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)	0.197" (5.00 mm)	0.197" (5.00 mm)
Size / Dimension	0.492" Dia (12.50 mm)	0.492" Dia (12.50 mm)	0.492" Dia (12.50 mm)	0.492" Dia (12.50 mm)	0.492" Dia (12.50 mm)	0.492" Dia (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)	0.787" (20.00 mm)	0.866" (22.00 mm)
Package / Case	Radial, Can	Radial, Can	Radial, Can	Radial, Can	Radial, Can	Radial, Can
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Not For New Designs	Active	Active	Active	Active	Active

Engineering Selection Recommendations

For Direct Replacement (Same Voltage Rating): Select ECE-A1EN331U or ECE-A1EN331UB from Panasonic. Both maintain the 25 V voltage rating and are classified as Active products with current manufacturing support. These parts are electrically and mechanically compatible with the UVP1E331MHD. Choose ECE-A1EN331UB if Tape & Box packaging is required for automated assembly; select ECE-A1EN331U for Bulk packaging.

For Upgraded Performance (Higher Voltage Margin): Select 337BPS035M (Cornell Dubilier / Illinois Capacitor), ECE-A1VN331U, or ECE-A1VN331UB (Panasonic). These parts provide 35 V rating while maintaining 330 µF capacitance and identical mechanical dimensions. The increased voltage rating provides additional safety margin in applications subject to voltage transients or supply variations. All three are Active products with current manufacturing support.

Compliance Considerations: All substitute parts are ROHS3 compliant and maintain the same operating temperature range (-40°C ~ 85°C) and lifetime rating (2000 Hrs @ 85°C) as the original component. Selection should prioritize Active product status to ensure long-term availability and supply chain stability.

Frequently Asked Questions (FAQ)

Q: Can I use a 35 V rated capacitor in place of a 25 V rated capacitor? A: Yes. A higher voltage rating provides additional safety margin and is electrically compatible. The 35 V substitute parts (337BPS035M, ECE-A1VN331U, ECE-A1VN331UB) can be used in circuits designed for 25 V operation without functional degradation.

Q: Are there physical dimension differences between substitute parts? A: Diameter and lead spacing are identical across all parts (0.492" diameter, 0.197" lead spacing). Height varies slightly: ECE-A1VN331U and ECE-A1EN331U are 0.787" (20.00 mm), while UVP1E331MHD, 337BPS035M, ECE-A1VN331UB, and ECE-A1EN331UB are 0.866" (22.00 mm). Verify PCB clearance for the taller variants.

Q: What is the difference between Bulk and Tape & Box packaging? A: Bulk packaging (UVP1E331MHD, ECE-A1EN331U, 337BPS035M) is suitable for manual assembly and repair applications. Tape & Box packaging (ECE-A1EN331UB, ECE-A1VN331UB) is designed for automated pick-and-place assembly. Both contain identical components; packaging selection depends on assembly method and procurement workflow.

Q: Why is the UVP1E331MHD marked "Not For New Designs"? A: This designation indicates the part has reached end-of-life status and is no longer recommended for new circuit designs. Existing inventory may still be available, but long-term supply is not guaranteed. Active substitute parts from Panasonic and Cornell Dubilier provide equivalent functionality with assured future availability.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts meet ROHS3 compliance requirements, matching the environmental and regulatory standards of the original UVP1E331MHD.

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