Nichicon UPA1C331MPD1TD Equivalent & Substitute Parts

Part Overview

The Nichicon UPA1C331MPD1TD is a 330 µF, 16 V aluminum electrolytic capacitor in radial, can package configuration. This component is classified as Active product status and is suitable for general-purpose applications requiring polarized capacitive storage in through-hole mounting configurations. Substitute parts are necessary when addressing design revisions, supply chain constraints, or when upgrading to components with enhanced performance characteristics such as increased voltage ratings or extended operational lifetime.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage - Rated	16 V
Tolerance	±20%
Lifetime @ Temperature	3000 Hrs @ 105°C
Operating Temperature Range	-55°C ~ 105°C
Polarization	Polar
Lead Spacing	0.138" (4.60 mm)
Size / Dimension	0.315" Dia (8.00 mm)
Height - Seated (Max)	0.512" (13.00 mm)
Mounting Type	Through Hole
Package / Case	Radial, Can
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the UPA1C331MPD1TD are categorized based on the following critical parameters that determine functional interchangeability:

Primary Substitution Criteria:

Capacitance: 330 µF (exact match required)
Tolerance: ±20% (exact match required)
Polarization: Polar (exact match required)
Lead Spacing: 0.138" (4.60 mm) (exact match required)
Size / Dimension: 0.315" Dia (8.00 mm) (exact match required)
Height - Seated (Max): 0.512" (13.00 mm) (exact match required)
Mounting Type: Through Hole (exact match required)
Package / Case: Radial, Can (exact match required)

Secondary Substitution Parameters (Allow Variation):

Voltage - Rated: 16 V or higher
Lifetime @ Temperature: 3000 Hrs @ 105°C or longer
Operating Temperature Range: -55°C ~ 105°C or wider
RoHS Status: ROHS3 Compliant or equivalent

Substitute parts are organized into two categories: Upgrade substitutes (higher voltage rating or extended lifetime) and Parametric equivalents (matching all primary specifications with potential variations in secondary parameters).

Parameter Comparison

Parameter	UPA1C331MPD1TD (Main)	UPA1E331MPD1TD (Upgrade)	UPW1C331MPD1TA (Parametric Equivalent)	UPW1C331MPD1TD (Parametric Equivalent)	860160374020 (Upgrade)	860080374011 (Parametric Equivalent)
Manufacturer	Nichicon	Nichicon	Nichicon	Nichicon	Würth Elektronik	Würth Elektronik
Series	UPA	UPA	UPW	UPW	WCAP-ATLL	WCAP-ATLI
Capacitance	330 µF	330 µF	330 µF	330 µF	330 µF	330 µF
Voltage - Rated	16 V	25 V	16 V	16 V	16 V	16 V
Tolerance	±20%	±20%	±20%	±20%	±20%	±20%
Lifetime @ Temperature	3000 Hrs @ 105°C	3000 Hrs @ 105°C	3000 Hrs @ 105°C	3000 Hrs @ 105°C	4000 Hrs @ 105°C	3000 Hrs @ 105°C
Operating Temperature	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C
Polarization	Polar	Polar	Polar	Polar	Polar	Polar
Lead Spacing	0.138" (4.60 mm)	0.138" (4.60 mm)	0.138" (4.60 mm)	0.138" (4.60 mm)	0.138" (4.60 mm)	0.138" (4.60 mm)
Size / Dimension	0.315" Dia (8.00 mm)	0.315" Dia (8.00 mm)	0.315" Dia (8.00 mm)	0.315" Dia (8.00 mm)	0.315" Dia (8.00 mm)	0.315" Dia (8.00 mm)
Height - Seated (Max)	0.512" (13.00 mm)	0.512" (13.00 mm)	0.512" (13.00 mm)	0.512" (13.00 mm)	0.512" (13.00 mm)	0.512" (13.00 mm)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	Radial, Can	Radial, Can	Radial, Can	Radial, Can	Radial, Can	Radial, Can
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Not For New Designs	Not For New Designs	Active	Active
Impedance	90 mOhms	90 mOhms	117 mOhms	117 mOhms	370 mOhms	80 mOhms
Ripple Current @ Low Frequency (120 Hz)	409.5 mA	409.5 mA	360.75 mA	360.75 mA	341.04 mA	Not specified

Engineering Selection Recommendations

For Direct Replacement (Same Specifications): The UPA1C331MPD1TD is the primary reference component. Direct replacement requires matching all primary substitution criteria. Among parametric equivalents, UPW1C331MPD1TA and UPW1C331MPD1TD from Nichicon maintain identical electrical specifications but carry "Not For New Designs" product status, limiting their use to legacy system maintenance or existing inventory utilization.

For Upgraded Performance: The UPA1E331MPD1TD offers a voltage rating upgrade to 25 V while maintaining all other specifications, providing enhanced voltage margin for the same physical footprint. This component is Active product status and ROHS3 Compliant.

The 860160374020 from Würth Elektronik provides extended lifetime (4000 Hrs @ 105°C versus 3000 Hrs) at the same 16 V rating and maintains Active product status with ROHS3 compliance.

For Cross-Manufacturer Substitution: The 860080374011 from Würth Elektronik (WCAP-ATLI series) matches all primary specifications and is Active product status. This component offers the lowest impedance (80 mOhms) among all listed substitutes.

Product Status Considerations: Components marked "Not For New Designs" (UPW1C331MPD1TA, UPW1C331MPD1TD) are suitable for replacement in existing systems but should not be selected for new circuit designs. Active status components (UPA1C331MPD1TD, UPA1E331MPD1TD, 860160374020, 860080374011) are appropriate for both new designs and replacements.

Frequently Asked Questions (FAQ)

Q: Can UPA1E331MPD1TD be used as a direct replacement for UPA1C331MPD1TD? A: Yes. The UPA1E331MPD1TD is a direct mechanical and electrical substitute with identical capacitance, tolerance, physical dimensions, and lead spacing. The 25 V rating provides higher voltage margin than the 16 V original specification, making it suitable for direct substitution in applications where the circuit voltage does not exceed 16 V.

Q: What is the difference between Nichicon UPA and UPW series substitutes? A: Both series maintain identical primary specifications (330 µF, ±20%, 16 V, same physical dimensions). The UPW series components carry "Not For New Designs" status, indicating they are legacy products. The UPA series is the current active product line. For new designs, select UPA series components.

Q: Can I substitute a Würth Elektronik component for a Nichicon component? A: Yes, provided all primary substitution criteria are met. The 860080374011 and 860160374020 from Würth Elektronik match the required capacitance, voltage, tolerance, physical dimensions, and lead spacing. Both are Active product status and ROHS3 Compliant. Cross-manufacturer substitution is electrically valid when these parameters align.

Q: What does "Not For New Designs" mean? A: This product status indicates the component is no longer recommended for new circuit designs. These components may be used for replacement in existing systems or when utilizing existing inventory. For new designs, select components with Active product status.

Q: How do impedance differences affect substitution? A: Impedance variations among substitutes reflect different internal construction and performance characteristics. The main part (UPA1C331MPD1TD) has 90 mOhms impedance. Substitutes range from 80 mOhms (860080374011) to 370 mOhms (860160374020). Lower impedance generally indicates better high-frequency ripple current performance. Selection should consider the specific application's ripple current requirements.

Q: Are all listed substitutes ROHS3 Compliant? A: Yes. All components listed—UPA1C331MPD1TD, UPA1E331MPD1TD, UPW1C331MPD1TA, UPW1C331MPD1TD, 860160374020, and 860080374011—are ROHS3 Compliant, meeting environmental and regulatory requirements for electronic component manufacturing.

Q: What is the significance of "Lifetime @ Temperature"? A: This parameter specifies the expected operational lifetime at maximum rated temperature (105°C). The main part and most substitutes provide 3000 hours at 105°C. The 860160374020 offers extended lifetime at 4000 hours, providing longer service life in high-temperature applications. Selection depends on the application's thermal environment and required operational duration.

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