UVR1C331MPD1TD Equivalent & Substitute Parts

Part Overview

The UVR1C331MPD1TD is a 330 µF, 16 V aluminum electrolytic capacitor in radial configuration manufactured by Nichicon. This component is classified as Not For New Designs, indicating it has been superseded in the product line. The UVR series is designed for general-purpose applications with a rated lifetime of 2000 hours at 85°C. Identifying equivalent and substitute parts is necessary for legacy system maintenance, repair operations, and applications where the original specification must be maintained or upgraded.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	16 V
Tolerance	±20%
Polarization	Polar
Package Type	Radial, Can
Mounting Type	Through Hole
Lead Spacing	0.138" (4.60 mm)
Case Diameter	0.315" (8.00 mm)
Height	0.512" (13.00 mm)
Operating Temperature Range	-40°C ~ 85°C
Lifetime Rating	2000 Hrs @ 85°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the UVR1C331MPD1TD is determined by strict adherence to the following electrical and mechanical parameters:

Critical Parameters (Must Match):

Capacitance: 330 µF
Voltage Rating: 16 V (or higher)
Tolerance: ±20%
Polarization: Polar
Package Type: Radial, Can
Lead Spacing: 0.138" (4.60 mm)
Case Diameter: 0.315" (8.00 mm)
Mounting Type: Through Hole

Allowable Variations:

Height: Substitute parts may have equal or greater height (0.512" maximum or higher)
Operating Temperature Range: Substitute parts may have extended upper temperature limits
Lifetime Rating: Substitute parts may have equal or extended lifetime ratings
Product Status: Active parts are preferred over Not For New Designs classification

The substitute parts are grouped into two categories: Direct Equivalents (same electrical and mechanical specifications) and Upgrade Options (enhanced thermal performance or extended lifetime while maintaining physical compatibility).

Parameter Comparison

Part Number	Series	Capacitance	Voltage	Tolerance	Height (Max)	Operating Temp	Lifetime @ Temp	Product Status	Impedance
UVR1C331MPD1TD	UVR	330 µF	16 V	±20%	0.512" (13.00 mm)	-40°C ~ 85°C	2000 Hrs @ 85°C	Not For New Designs	—
UKW1C331MPD1TD	UKW	330 µF	16 V	±20%	0.492" (12.50 mm)	-40°C ~ 85°C	2000 Hrs @ 85°C	Not For New Designs	—
UFW1C331MPD1TD	UFW	330 µF	16 V	±20%	0.512" (13.00 mm)	-40°C ~ 85°C	2000 Hrs @ 85°C	Not For New Designs	—
UHE1C331MPD1TD	UHE	330 µF	16 V	±20%	0.512" (13.00 mm)	-40°C ~ 105°C	7000 Hrs @ 105°C	Not For New Designs	130 mOhms
UKA1C331MPD1TD	UKA	330 µF	16 V	±20%	0.512" (13.00 mm)	-55°C ~ 105°C	2000 Hrs @ 105°C	Not For New Designs	—
UKA1E331MPD1TD	UKA	330 µF	25 V	±20%	0.512" (13.00 mm)	-55°C ~ 105°C	2000 Hrs @ 105°C	Not For New Designs	—
UPA1C331MPD1TD	UPA	330 µF	16 V	±20%	0.512" (13.00 mm)	-55°C ~ 105°C	3000 Hrs @ 105°C	Active	90 mOhms
UPA1E331MPD1TD	UPA	330 µF	25 V	±20%	0.512" (13.00 mm)	-55°C ~ 105°C	3000 Hrs @ 105°C	Active	90 mOhms
UPS1C331MPD1TD	UPS	330 µF	16 V	±20%	0.512" (13.00 mm)	-55°C ~ 105°C	2000 Hrs @ 105°C	Not For New Designs	280 mOhms
UPW1C331MPD1TA	UPW	330 µF	16 V	±20%	0.512" (13.00 mm)	-55°C ~ 105°C	3000 Hrs @ 105°C	Not For New Designs	117 mOhms
UPW1C331MPD1TD	UPW	330 µF	16 V	±20%	0.512" (13.00 mm)	-55°C ~ 105°C	3000 Hrs @ 105°C	Not For New Designs	117 mOhms

Engineering Selection Recommendations

Direct Equivalents (Same Electrical and Thermal Specifications):

UKW1C331MPD1TD and UFW1C331MPD1TD maintain identical electrical ratings and thermal performance as the UVR1C331MPD1TD. Both are classified as Not For New Designs. UKW1C331MPD1TD has a slightly reduced height of 0.492" (12.50 mm) compared to the original 0.512" (13.00 mm), which may be advantageous in space-constrained applications. UFW1C331MPD1TD matches the original height specification exactly.

Upgrade Options (Enhanced Thermal Performance):

UHE1C331MPD1TD, UKA1C331MPD1TD, UPA1C331MPD1TD, UPS1C331MPD1TD, and UPW1C331MPD1TD series parts provide extended operating temperature ranges (-55°C to 105°C) and improved lifetime ratings. These upgrades are suitable for applications requiring enhanced thermal stability or extended service life.

Recommended Primary Substitute:

UPA1C331MPD1TD is the preferred substitute. It is classified as Active (current production), maintains the 330 µF / 16 V specification, offers 3000 hours lifetime at 105°C (versus 2000 hours at 85°C for the original), and provides a lower impedance of 90 mOhms. This part ensures long-term availability and improved performance characteristics.

Higher Voltage Alternative:

UPA1E331MPD1TD (330 µF / 25 V) and UKA1E331MPD1TD (330 µF / 25 V) are suitable when circuit design permits higher voltage ratings. These parts provide additional voltage margin and are compatible with the same physical footprint.

Frequently Asked Questions (FAQ)

Q: Can UKW1C331MPD1TD be used as a direct replacement for UVR1C331MPD1TD?

A: Yes. UKW1C331MPD1TD is a direct electrical equivalent with identical capacitance (330 µF), voltage rating (16 V), tolerance (±20%), and thermal specifications (2000 Hrs @ 85°C). The height is 0.492" (12.50 mm) versus the original 0.512" (13.00 mm), which is acceptable for most PCB layouts. Both parts use the same 0.138" (4.60 mm) lead spacing and 0.315" (8.00 mm) case diameter.

Q: What is the advantage of UPA1C331MPD1TD over the original UVR1C331MPD1TD?

A: UPA1C331MPD1TD is an Active product (current production availability), whereas UVR1C331MPD1TD is Not For New Designs. UPA1C331MPD1TD provides 3000 hours lifetime at 105°C compared to 2000 hours at 85°C, an extended operating temperature range of -55°C to 105°C, and a lower impedance of 90 mOhms. All electrical parameters (330 µF, 16 V, ±20%) and physical dimensions remain identical.

Q: Can I use a 25 V rated capacitor (UPA1E331MPD1TD or UKA1E331MPD1TD) in place of the 16 V UVR1C331MPD1TD?

A: Yes, provided the circuit design permits. Higher voltage-rated capacitors are electrically compatible with lower voltage applications. UPA1E331MPD1TD and UKA1E331MPD1TD maintain the same 330 µF capacitance, ±20% tolerance, physical dimensions, and lead spacing. The 25 V rating provides additional voltage margin but does not affect functionality in a 16 V circuit.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 Compliant, matching the compliance status of the original UVR1C331MPD1TD.

Q: What is the difference between UPW1C331MPD1TD and UPW1C331MPD1TA?

A: Both parts are electrically and mechanically identical: 330 µF, 16 V, ±20% tolerance, 3000 Hrs @ 105°C lifetime, and 117 mOhms impedance. The difference is in the packaging designation suffix (TD versus TA). Both are suitable substitutes for the UVR1C331MPD1TD.

Q: Which substitute part has the lowest impedance?

A: UPA1C331MPD1TD and UPA1E331MPD1TD both have an impedance of 90 mOhms, the lowest among the listed substitutes. This characteristic may be beneficial in high-frequency ripple current applications.

Q: Can I use UHE1C331MPD1TD if my application operates at temperatures above 85°C?

A: Yes. UHE1C331MPD1TD extends the operating temperature range to -40°C ~ 105°C and provides 7000 hours lifetime at 105°C, making it suitable for elevated temperature environments. It maintains the same 330 µF, 16 V specification and physical dimensions as the original part.

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