Nichicon URZ1C331MPD Equivalent & Substitute Parts

Part Overview

The Nichicon URZ1C331MPD is a 330 µF, 16 V aluminum electrolytic capacitor in radial, can package with a rated lifetime of 1000 hours at 105°C. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing component sourcing and design continuity. The URZ series has been superseded by newer Nichicon series offering improved reliability ratings and extended operational lifetimes while maintaining the same electrical specifications.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	16 V
Tolerance	±20%
Lifetime @ 105°C	1000 Hrs
Operating Temperature Range	-55°C to 105°C
Polarization	Polar
Mounting Type	Through Hole
Package Type	Radial, Can
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the URZ1C331MPD is determined by strict adherence to the following electrical and mechanical parameters:

Core Electrical Requirements (Non-Negotiable):

Capacitance: 330 µF
Voltage Rating: 16 V
Tolerance: ±20%
Polarization: Polar

Mechanical Compatibility Criteria:

Mounting Type: Through Hole (excludes SMD variants)
Package Type: Radial, Can
Lead Spacing and physical dimensions must accommodate PCB footprints designed for the original part

Acceptable Variations:

Lifetime @ 105°C: Extended lifetimes (2000 Hrs, 3000 Hrs, 5000 Hrs) are acceptable as they represent improved reliability
Ripple Current ratings: Higher ripple current capability is acceptable
Impedance: Variations are acceptable provided electrical performance is maintained
Physical dimensions: Minor variations in height and diameter are acceptable within standard PCB assembly tolerances

Excluded from Substitution:

UWT1C331MNL1GS (Surface Mount variant—different mounting technology)
UVZ1E331MPD (25 V rating—exceeds original specification)
Any part with voltage rating below 16 V

Parameter Comparison

Part Number	Series	Capacitance	Voltage	Lifetime @ 105°C	Lead Spacing	Size (Dia)	Height (Max)	Ripple Current @ 120 Hz	Product Status
URZ1C331MPD	URZ	330 µF	16 V	1000 Hrs	0.197" (5.00mm)	0.394" (10.00mm)	0.413" (10.50mm)	240 mA	Obsolete
UPJ1C331MPD	UPJ	330 µF	16 V	3000 Hrs	0.138" (4.60mm)	0.315" (8.00mm)	0.630" (16.00mm)	455 mA	Not For New Designs
UPJ1C331MPD6	UPJ	330 µF	16 V	5000 Hrs	0.197" (5.00mm)	0.394" (10.00mm)	0.551" (14.00mm)	480 mA	Not For New Designs
UPM1C331MPD	UPM	330 µF	16 V	3000 Hrs	0.138" (4.60mm)	0.315" (8.00mm)	0.650" (16.50mm)	455 mA	Not For New Designs
UPM1C331MPD6	UPM	330 µF	16 V	5000 Hrs	0.197" (5.00mm)	0.394" (10.00mm)	0.571" (14.50mm)	510 mA	Not For New Designs
UPS1C331MPD	UPS	330 µF	16 V	2000 Hrs	0.138" (4.60mm)	0.315" (8.00mm)	0.512" (13.00mm)	291.1 mA	Not For New Designs
UPW1C331MPD	UPW	330 µF	16 V	3000 Hrs	0.138" (4.60mm)	0.315" (8.00mm)	0.453" (11.50mm)	360.75 mA	Not For New Designs
UVY1C331MED	UVY	330 µF	16 V	1000 Hrs	0.098" (2.50mm)	0.248" (6.30mm)	0.492" (12.50mm)	225 mA	Obsolete
UVZ1C331MPD	UVZ	330 µF	16 V	1000 Hrs	0.138" (4.60mm)	0.315" (8.00mm)	0.512" (13.00mm)	265 mA	Not For New Designs

Engineering Selection Recommendations

Direct Footprint Compatibility (Preferred):

UPJ1C331MPD6 and UPM1C331MPD6 are the primary substitutes for URZ1C331MPD. Both maintain identical lead spacing (0.197" / 5.00mm) and body diameter (0.394" / 10.00mm), ensuring direct PCB footprint compatibility. UPJ1C331MPD6 offers 5000-hour lifetime at 105°C with general-purpose applications. UPM1C331MPD6 provides the same 5000-hour lifetime with AEC-Q200 automotive qualification and lower impedance (120 mOhms), suitable for automotive and demanding applications.

Alternative Footprints (Requires PCB Modification):

UPJ1C331MPD, UPM1C331MPD, UPS1C331MPD, and UPW1C331MPD feature reduced lead spacing (0.138" / 4.60mm) and smaller body diameter (0.315" / 8.00mm). These parts require PCB layout modification but offer extended lifetimes (2000–3000 hours) and improved ripple current handling. Selection depends on available PCB real estate and thermal requirements.

Obsolete Series Alternatives:

UVY1C331MED and UVZ1C331MPD are obsolete series with 1000-hour lifetimes matching the original URZ1C331MPD. UVZ1C331MPD maintains similar electrical performance but with different lead spacing (0.138" / 4.60mm). These are suitable only for legacy system repairs where extended lifetime upgrades are not feasible.

Compliance Considerations:

All substitute parts are ROHS3 compliant and carry EAR99 ECCN classification. UPM series parts include AEC-Q200 automotive qualification and REACH Affected status, appropriate for automotive applications. UPJ, UPS, UPW, and UVZ series carry REACH Unaffected status for general industrial use.

Frequently Asked Questions (FAQ)

Q: Can UWT1C331MNL1GS replace URZ1C331MPD?

A: No. UWT1C331MNL1GS is a surface-mount variant (SMD package) with different mounting technology and land pattern. The original URZ1C331MPD is through-hole mounted. Surface-mount and through-hole packages are not interchangeable without complete PCB redesign.

Q: What is the difference between UPJ1C331MPD and UPJ1C331MPD6?

A: Both are UPJ series parts with identical electrical ratings (330 µF, 16 V, ±20%). The primary difference is lifetime: UPJ1C331MPD is rated 3000 hours at 105°C, while UPJ1C331MPD6 is rated 5000 hours at 105°C. UPJ1C331MPD6 also features higher ripple current capability (480 mA @ 120 Hz vs. 455 mA) and slightly different physical dimensions (height 0.551" vs. 0.630").

Q: Are UPM series parts suitable for automotive applications?

A: Yes. UPM1C331MPD and UPM1C331MPD6 carry AEC-Q200 automotive qualification and are rated for automotive applications. Both maintain the same electrical specifications as general-purpose alternatives but with enhanced reliability testing and REACH Affected compliance status.

Q: What happens if I use a substitute with different lead spacing?

A: Different lead spacing requires PCB footprint modification. Parts with 0.138" (4.60mm) lead spacing cannot be directly soldered into PCB holes designed for 0.197" (5.00mm) spacing. PCB redesign, rework, or adapter solutions are necessary. Verify mechanical compatibility before component selection.

Q: Can I substitute URZ1C331MPD with UVZ1E331MPD?

A: No. UVZ1E331MPD has a 25 V voltage rating, exceeding the original 16 V specification. While higher voltage ratings provide additional safety margin, they represent a different electrical specification and are not direct substitutes. Use only 16 V rated parts for this application.

Q: Which substitute offers the best reliability upgrade?

A: UPJ1C331MPD6 and UPM1C331MPD6 both offer 5000-hour lifetimes at 105°C, representing a 5× improvement over the original 1000-hour rating. UPM1C331MPD6 is preferred for automotive and mission-critical applications due to AEC-Q200 qualification. Both maintain identical lead spacing and body diameter for direct PCB compatibility.

Q: Are there inventory considerations for substitute selection?

A: Yes. Inventory levels vary significantly: UPW1C331MPD (8,253 pcs), UVZ1C331MPD (6,040 pcs), and UPJ1C331MPD (6,835 pcs) have higher availability. UPM1C331MPD6 (1,327 pcs) and UPJ1C331MPD6 (2,895 pcs) have lower stock levels. Verify current inventory status with your supplier before finalizing component selection.

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