UVP1A331MPD Equivalent & Substitute Parts

Part Overview

The UVP1A331MPD is a 330 µF, 10 V aluminum electrolytic capacitor in radial, can package manufactured by Nichicon. This component is rated for 2000 hours at 85°C with ±20% capacitance tolerance and is designed for general-purpose applications. The part carries a "Not For New Designs" product status, making identification of equivalent and substitute parts essential for ongoing maintenance, repair, and legacy system support.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	10 V
Tolerance	±20%
Lifetime @ Temperature	2000 Hrs @ 85°C
Operating Temperature Range	-40°C ~ 85°C
Polarization	Bi-Polar
Lead Spacing	0.197" (5.00 mm)
Package Type	Radial, Can
Mounting Type	Through Hole
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the UVP1A331MPD is determined by the following critical parameters: capacitance value (330 µF), tolerance (±20%), operating temperature range (-40°C ~ 85°C), lifetime rating (2000 Hrs @ 85°C), lead spacing (5.00 mm), package type (Radial, Can), and mounting configuration (Through Hole).

Substitute parts are categorized into two groups:

Upgrade Substitutes (Higher Voltage Rating): Parts with identical capacitance, tolerance, temperature range, and lifetime, but rated for 16 V instead of 10 V. These provide enhanced voltage margin and are direct functional replacements in applications where the original 10 V rating is sufficient. Upgrade substitutes include UVP1C331MPD (Nichicon), 337BPS016M (Cornell Dubilier / Illinois Capacitor), ECE-A1CN331U (Panasonic), and ECE-A1CN331UB (Panasonic).

Similar Substitutes (Same Voltage Rating): Parts with identical capacitance, tolerance, temperature range, lifetime, and 10 V voltage rating as the main part. These are direct equivalents from alternative manufacturers. Similar substitutes include ECE-A1AN331U and ECE-A1AN331UB (Panasonic).

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage Rating	Tolerance	Lifetime @ 85°C	Operating Temp.	Lead Spacing	Height (Max)	Product Status	RoHS Status
UVP1A331MPD	Nichicon	330 µF	10 V	±20%	2000 Hrs	-40°C ~ 85°C	5.00 mm	17.50 mm	Not For New Designs	ROHS3
UVP1C331MPD	Nichicon	330 µF	16 V	±20%	2000 Hrs	-40°C ~ 85°C	5.00 mm	17.50 mm	Not For New Designs	ROHS3
337BPS016M	Cornell Dubilier / Illinois Capacitor	330 µF	16 V	±20%	2000 Hrs	-40°C ~ 85°C	5.00 mm	18.00 mm	Active	ROHS3
ECE-A1CN331U	Panasonic Electronic Components	330 µF	16 V	±20%	2000 Hrs	-40°C ~ 85°C	5.00 mm	16.00 mm	Active	ROHS3
ECE-A1CN331UB	Panasonic Electronic Components	330 µF	16 V	±20%	2000 Hrs	-40°C ~ 85°C	5.00 mm	17.00 mm	Active	ROHS3
ECE-A1AN331U	Panasonic Electronic Components	330 µF	10 V	±20%	2000 Hrs	-40°C ~ 85°C	5.00 mm	16.00 mm	Active	ROHS3
ECE-A1AN331UB	Panasonic Electronic Components	330 µF	10 V	±20%	2000 Hrs	-40°C ~ 85°C	5.00 mm	17.00 mm	Active	ROHS3

Engineering Selection Recommendations

For Direct Replacement (Same Voltage Rating): Select ECE-A1AN331U or ECE-A1AN331UB from Panasonic. Both parts maintain the 10 V voltage rating and are classified as Active products, ensuring continued availability and support. These parts are ROHS3 compliant and meet all mechanical and electrical specifications of the original UVP1A331MPD.

For Upgraded Performance (Higher Voltage Margin): Select UVP1C331MPD (Nichicon), 337BPS016M (Cornell Dubilier / Illinois Capacitor), ECE-A1CN331U, or ECE-A1CN331UB (Panasonic). All upgrade substitutes are rated for 16 V, providing additional voltage headroom while maintaining identical capacitance, tolerance, and thermal characteristics. The 337BPS016M and Panasonic ECE-A1CN series are Active products with assured long-term availability.

Compliance Considerations: All substitute parts listed are ROHS3 compliant. The 337BPS016M carries REACH Unaffected status, while Panasonic parts carry REACH Unaffected status. The original UVP1A331MPD and UVP1C331MPD carry REACH Affected status. For applications requiring REACH Unaffected compliance, select from the Cornell Dubilier or Panasonic alternatives.

Frequently Asked Questions (FAQ)

Q: Can I use a 16 V rated capacitor in place of the 10 V UVP1A331MPD?

A: Yes. A higher voltage rating does not compromise functionality in applications designed for 10 V operation. The 16 V substitutes (UVP1C331MPD, 337BPS016M, ECE-A1CN331U, ECE-A1CN331UB) provide identical capacitance and thermal performance with increased voltage margin, making them suitable direct replacements.

Q: What is the difference between ECE-A1CN331U and ECE-A1CN331UB?

A: Both parts are electrically identical 330 µF, 16 V Panasonic capacitors with the same performance characteristics. The difference is packaging: ECE-A1CN331U is supplied in Bulk packaging, while ECE-A1CN331UB is supplied in Cut Tape (CT) format. Selection depends on procurement and assembly requirements.

Q: Are there height differences between substitute parts?

A: Yes. The main part UVP1A331MPD has a maximum seated height of 17.50 mm. Substitute parts vary: ECE-A1CN331U and ECE-A1AN331U are 16.00 mm, ECE-A1CN331UB and ECE-A1AN331UB are 17.00 mm, UVP1C331MPD is 17.50 mm, and 337BPS016M is 18.00 mm. Verify PCB layout clearance before selection.

Q: Why is the UVP1A331MPD marked "Not For New Designs"?

A: This status indicates the part is obsolete or being phased out by the manufacturer. Active alternatives from Panasonic (ECE-A1AN331U, ECE-A1AN331UB, ECE-A1CN331U, ECE-A1CN331UB) and Cornell Dubilier (337BPS016M) are recommended for new applications and ongoing production.

Q: Do all substitutes have the same ripple current rating?

A: No. Ripple current specifications vary by manufacturer and voltage rating. The 10 V Panasonic parts (ECE-A1AN331U, ECE-A1AN331UB) are rated for 280 mA @ 120 Hz, while 16 V substitutes range from 330 mA to 375 mA @ 120 Hz. Verify ripple current requirements for your specific application.

Q: What is the lead spacing tolerance, and does it affect substitution?

A: All listed parts maintain 5.00 mm lead spacing, ensuring compatibility with existing PCB footprints designed for the UVP1A331MPD. This parameter is held constant across all substitutes.

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