UPW1C331MPD Equivalent & Substitute Parts

Part Overview

The UPW1C331MPD is a 330 µF, 16 V aluminum electrolytic capacitor in radial configuration manufactured by Nichicon. This component is rated for 3000 hours at 105°C and is designated as Not For New Designs. Due to its obsolescence status, equivalent and substitute parts from active product lines are necessary for ongoing maintenance, repair, and legacy system support. Suitable alternatives maintain the core electrical specifications while offering improved availability and extended product lifecycles.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	16 V
Tolerance	±20%
Lifetime @ 105°C	3000 Hrs
Operating Temperature Range	-55°C ~ 105°C
Polarization	Polar
Mounting Type	Through Hole
Package Type	Radial, Can
Lead Spacing	0.138" (4.60mm)
Case Diameter	0.315" (8.00mm)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict equivalence across the following parameters:

Electrical Match: Capacitance (330 µF), voltage rating (16 V), and tolerance (±20%) must be identical
Mechanical Compatibility: Lead spacing (0.138" / 4.60mm) and case diameter (0.315" / 8.00mm) must match for direct PCB compatibility
Thermal Performance: Lifetime rating at 105°C must meet or exceed 3000 hours
Environmental Compliance: ROHS3 compliance required; AEC-Q200 certification preferred for automotive applications

Parts are grouped into three categories:

Nichicon Series Variants (UPJ, UPM, UPS): Same manufacturer, identical electrical specifications, minor dimensional variations in height and impedance characteristics
Panasonic FC Series (EEU-FC1C331): Active product status, automotive-grade certification, equivalent electrical and mechanical parameters
Chemi-Con LXY/LXZ Series (ELXY160ELL331MH15D, ELXZ160ELL331MH12D): Active product status, automotive-grade certification, equivalent core specifications with optimized impedance profiles

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Lifetime @ 105°C	Lead Spacing	Height (Max)	Impedance	Product Status	Ratings
UPW1C331MPD	Nichicon	330 µF	16 V	3000 Hrs	0.138" (4.60mm)	0.453" (11.50mm)	117 mOhms	Not For New Designs	—
UPJ1C331MPD	Nichicon	330 µF	16 V	3000 Hrs	0.138" (4.60mm)	0.630" (16.00mm)	180 mOhms	Not For New Designs	—
UPJ1C331MPD6	Nichicon	330 µF	16 V	5000 Hrs	0.197" (5.00mm)	0.551" (14.00mm)	180 mOhms	Not For New Designs	—
UPM1C331MPD	Nichicon	330 µF	16 V	3000 Hrs	0.138" (4.60mm)	0.650" (16.50mm)	120 mOhms	Not For New Designs	AEC-Q200
UPM1C331MPD6	Nichicon	330 µF	16 V	5000 Hrs	0.197" (5.00mm)	0.571" (14.50mm)	120 mOhms	Not For New Designs	AEC-Q200
UPS1C331MPD	Nichicon	330 µF	16 V	2000 Hrs	0.138" (4.60mm)	0.512" (13.00mm)	280 mOhms	Not For New Designs	—
EEU-FC1C331	Panasonic	330 µF	16 V	2000 Hrs	0.138" (4.60mm)	0.453" (11.50mm)	117 mOhms	Active	AEC-Q200
EEU-FC1C331BJ	Panasonic	330 µF	16 V	2000 Hrs	0.138" (4.60mm)	0.492" (12.50mm)	117 mOhms	Active	AEC-Q200
ELXY160ELL331MH15D	Chemi-Con	330 µF	16 V	3000 Hrs	0.138" (4.60mm)	0.650" (16.50mm)	130 mOhms	Active	AEC-Q200
ELXZ160ELL331MH12D	Chemi-Con	330 µF	16 V	3000 Hrs	0.138" (4.60mm)	0.531" (14.60mm)	120 mOhms	Active	AEC-Q200

Engineering Selection Recommendations

Direct Mechanical Substitutes (0.138" / 4.60mm Lead Spacing, 0.315" / 8.00mm Diameter)

For applications requiring identical PCB footprint compatibility with the UPW1C331MPD:

EEU-FC1C331 (Panasonic): Active product status with AEC-Q200 automotive certification. Electrical and mechanical parameters match the main part exactly. Recommended for new designs and legacy replacements in automotive environments.
EEU-FC1C331BJ (Panasonic): Identical electrical specifications with minor height variation (0.492" vs 0.453"). Cut tape packaging available. Suitable for applications with vertical clearance tolerance.
ELXZ160ELL331MH12D (Chemi-Con): Active product with AEC-Q200 certification. Equivalent electrical performance with optimized impedance (120 mOhms). Height of 0.531" accommodates standard PCB layouts.
ELXY160ELL331MH15D (Chemi-Con): Active product with AEC-Q200 certification. Matches 3000-hour lifetime specification. Height of 0.650" requires verification of available vertical clearance.

Nichicon Series Alternatives (Same Manufacturer, Electrical Equivalence)

UPM1C331MPD: Automotive-grade (AEC-Q200) variant with improved impedance (120 mOhms). Identical electrical specifications but increased height (0.650"). Suitable for automotive applications requiring legacy Nichicon sourcing.
UPJ1C331MPD: General-purpose variant with identical lifetime rating. Height increase to 0.630" requires PCB layout verification.

Extended Lifetime Option (5000 Hours @ 105°C)

UPM1C331MPD6 or UPJ1C331MPD6: Both offer extended 5000-hour lifetime. Lead spacing changes to 0.197" (5.00mm), requiring PCB redesign. Suitable only for new designs or major revisions.

Not Recommended for Direct Substitution

UPS1C331MPD: Reduced lifetime (2000 hours) and elevated impedance (280 mOhms) do not meet the 3000-hour specification of the main part.

Frequently Asked Questions (FAQ)

Q: Can EEU-FC1C331 replace UPW1C331MPD directly on the PCB?

A: Yes. Both parts share identical lead spacing (0.138" / 4.60mm), case diameter (0.315" / 8.00mm), and height within tolerance (0.453" vs 0.492"). No PCB modification is required. The Panasonic part is active and carries AEC-Q200 certification.

Q: What is the difference between UPM1C331MPD and UPJ1C331MPD?

A: Both are Nichicon 330 µF, 16 V, 3000-hour parts with identical electrical specifications. UPM1C331MPD carries AEC-Q200 automotive certification and has lower impedance (120 mOhms vs 180 mOhms). UPJ1C331MPD is general-purpose. Height differs: UPM at 0.650" and UPJ at 0.630". For automotive applications, UPM1C331MPD is preferred.

Q: Why do some substitutes have different heights?

A: Capacitor height varies based on internal construction and winding density. All listed substitutes maintain the same case diameter (0.315" / 8.00mm) and lead spacing (0.138" / 4.60mm) for PCB compatibility. Height differences require verification of available vertical clearance on the target PCB.

Q: Are the Chemi-Con parts (ELXY, ELXZ series) suitable for automotive applications?

A: Yes. Both ELXY160ELL331MH15D and ELXZ160ELL331MH12D carry AEC-Q200 certification and are active products. They meet automotive reliability standards and are suitable for automotive circuit applications.

Q: What does "Not For New Designs" mean for the UPW1C331MPD?

A: This designation indicates the part is obsolete or end-of-life. Nichicon no longer recommends it for new product development. Existing designs using this part should transition to active alternatives such as EEU-FC1C331 (Panasonic) or ELXZ160ELL331MH12D (Chemi-Con) for long-term supply assurance.

Q: Can I use UPJ1C331MPD6 or UPM1C331MPD6 as substitutes?

A: These parts have extended 5000-hour lifetimes but require PCB redesign due to different lead spacing (0.197" / 5.00mm vs 0.138" / 4.60mm). They are suitable only for new designs or major PCB revisions, not direct drop-in replacements.

Q: What is the significance of impedance differences between substitutes?

A: Impedance affects high-frequency ripple current handling and transient response. Lower impedance (117–120 mOhms) provides better performance in high-frequency applications. Higher impedance (180–280 mOhms) is acceptable for general-purpose, low-frequency circuits. Verify application requirements before selection.

Q: Is RoHS3 compliance important for my application?

A: All listed substitutes are ROHS3 compliant. This is mandatory for most commercial and industrial applications, particularly in automotive and consumer electronics. Verify your application's compliance requirements before final part selection.

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