Equivalent & Substitute Parts for UPW1V331MPD

Part Overview

The Nichicon UPW1V331MPD is a 330 µF, 35 V aluminum electrolytic capacitor in radial configuration, rated for 5000 hours at 105°C. This component is classified as Not For New Designs, indicating it has been superseded in Nichicon's product line. Organizations using this part in active applications require equivalent alternatives that maintain electrical and mechanical compatibility while meeting current design standards and compliance requirements.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	35 V
Tolerance	±20%
Lifetime @ Temperature	5000 Hrs @ 105°C
Operating Temperature Range	-55°C ~ 105°C
Polarization	Polar
Lead Spacing	0.197" (5.00mm)
Case Diameter	0.394" (10.00mm)
Height	0.630" (16.00mm)
Mounting Type	Through Hole
Package Type	Radial, Can
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the UPW1V331MPD is determined by strict adherence to the following parameters:

Primary Matching Criteria (Non-Negotiable):

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

Secondary Compatibility Factors:

Operating Temperature Range: -55°C ~ 105°C
Lifetime @ 105°C: 5000 Hrs minimum
RoHS3 Compliance

Parts are grouped into three categories based on these criteria:

Category A - Direct Equivalents (Identical Footprint & Performance): Parts matching all primary criteria with 5000-hour lifetime rating and identical physical dimensions.

Category B - Functional Equivalents (Compatible Footprint, Reduced Lifetime): Parts matching all primary criteria but with reduced lifetime ratings (2000-3000 hours), suitable for applications with lower thermal stress requirements.

Category C - Cross-Manufacturer Alternatives (Different Footprint): Parts from alternative manufacturers meeting electrical specifications but with different physical dimensions, requiring PCB layout verification.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Lifetime @ 105°C	Case Dia (mm)	Height (mm)	Lead Spacing (mm)	Impedance (mOhms)	Product Status	Compliance
UPW1V331MPD	Nichicon	330 µF	35 V	5000 Hrs	10.00	16.00	5.00	68	Not For New Designs	ROHS3
UPJ1V331MHD6	Nichicon	330 µF	35 V	5000 Hrs	12.50	16.50	5.00	100	Not For New Designs	ROHS3
UPJ1V331MPD	Nichicon	330 µF	35 V	5000 Hrs	10.00	21.50	5.00	96	Not For New Designs	ROHS3
UPM1V331MHD6	Nichicon	330 µF	35 V	5000 Hrs	12.50	17.00	5.00	65	Not For New Designs	ROHS3, AEC-Q200
UPM1V331MPD	Nichicon	330 µF	35 V	5000 Hrs	10.00	22.00	5.00	60	Not For New Designs	ROHS3, AEC-Q200
UPS1V331MPD	Nichicon	330 µF	35 V	2000 Hrs	10.00	17.50	5.00	140	Not For New Designs	ROHS3
UPW1V331MPD6	Nichicon	330 µF	35 V	3000 Hrs	8.00	20.00	4.60	65	Not For New Designs	ROHS3
EEU-FC1V331	Panasonic	330 µF	35 V	3000 Hrs	10.00	16.00	5.00	68	Active	ROHS3, AEC-Q200
EEU-FC1V331B	Panasonic	330 µF	35 V	3000 Hrs	10.00	17.00	5.00	68	Active	ROHS3, AEC-Q200
ELXZ350ELL331MJ16S	Chemi-Con	330 µF	35 V	5000 Hrs	10.00	17.50	5.00	68	Active	ROHS3, AEC-Q200
EEU-FC1V331L	Panasonic	330 µF	35 V	2000 Hrs	8.00	20.00	4.60	65	Active	ROHS3, AEC-Q200

Engineering Selection Recommendations

For Direct Replacement (Identical Footprint):

The Panasonic EEU-FC1V331 provides the closest functional match with identical case diameter (10.00mm), lead spacing (5.00mm), and height (16.00mm). This part is Active status with AEC-Q200 automotive qualification, making it suitable for new designs. The 3000-hour lifetime rating at 105°C is lower than the original UPW1V331MPD (5000 hours), requiring thermal analysis for applications with sustained high-temperature operation.

The Chemi-Con ELXZ350ELL331MJ16S maintains the 5000-hour lifetime specification with identical electrical parameters and footprint compatibility. This part carries Active status and AEC-Q200 qualification, supporting both general-purpose and automotive applications.

For Footprint-Constrained Applications:

The Nichicon UPJ1V331MPD and UPM1V331MPD maintain the 10.00mm case diameter but increase height to 21.50mm and 22.00mm respectively. These parts require PCB layout verification to confirm vertical clearance availability. The UPM series includes AEC-Q200 qualification for automotive use.

For Reduced Thermal Stress Applications:

The Nichicon UPS1V331MPD and Panasonic EEU-FC1V331L operate with 2000-hour lifetime ratings, suitable for applications with lower ambient temperatures or reduced ripple current exposure. These parts maintain electrical compatibility but require confirmation that thermal operating conditions do not exceed design limits.

For Compact Footprint Requirements:

The UPW1V331MPD6 and EEU-FC1V331L reduce case diameter to 8.00mm with lead spacing of 4.60mm, enabling use in space-constrained designs. These parts operate at 3000-hour and 2000-hour lifetimes respectively, requiring thermal verification.

Frequently Asked Questions (FAQ)

Q: Can I substitute UPW1V331MPD with a part having different case diameter?

A: Case diameter changes affect PCB layout and mechanical clearance. Parts with 12.50mm diameter (UPJ1V331MHD6, UPM1V331MHD6) or 8.00mm diameter (UPW1V331MPD6, EEU-FC1V331L) require PCB redesign verification. Lead spacing must remain 5.00mm for standard 0.2-inch pitch through-hole layouts, or 4.60mm for compact designs.

Q: What is the impact of reduced lifetime ratings?

A: Lifetime ratings (2000, 3000, or 5000 hours at 105°C) indicate capacitor reliability under sustained thermal stress. Applications operating continuously at elevated temperatures require matching or exceeding the original 5000-hour specification. Lower ratings are acceptable for intermittent-duty or temperature-controlled environments.

Q: Are Panasonic and Chemi-Con parts electrically compatible?

A: Yes. EEU-FC1V331, EEU-FC1V331B, ELXZ350ELL331MJ16S, and EEU-FC1V331L all meet the 330 µF, 35 V, ±20% tolerance specification with identical polarization and through-hole mounting. Electrical compatibility is confirmed; mechanical fit requires footprint verification.

Q: Which substitute part is recommended for automotive applications?

A: Parts with AEC-Q200 qualification are suitable for automotive use: UPM1V331MHD6, UPM1V331MPD, EEU-FC1V331, EEU-FC1V331B, ELXZ350ELL331MJ16S, and EEU-FC1V331L. Among these, ELXZ350ELL331MJ16S maintains the 5000-hour lifetime with identical footprint to the original part.

Q: Does packaging format affect electrical performance?

A: Packaging format (Bulk vs. Cut Tape) does not affect electrical or mechanical specifications. EEU-FC1V331B in Cut Tape format is electrically identical to EEU-FC1V331 in Bulk format, with identical height of 16.00mm to 17.00mm range.

Q: What impedance differences should I consider?

A: Impedance values range from 60 mOhms (UPM1V331MPD) to 140 mOhms (UPS1V331MPD). Lower impedance improves ripple current handling and high-frequency performance. For applications with high ripple current requirements, select parts with impedance at or below 68 mOhms.

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