Equivalent & Substitute Parts for UPW1C331MPD1TA

Part Overview

The UPW1C331MPD1TA 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 This component is classified as "Not For New Designs," indicating it has been superseded in Nichicon's product line. Finding equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain flexibility, and access components with active product status where applicable.

Key Parameters

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

Substitute Part Grouping Explanation

Substitution for the UPW1C331MPD1TA is determined by strict equivalence in the following parameters:

Capacitance: 330 µF (exact match required)
Voltage Rating: 16 V (exact match required)
Tolerance: ±20% (exact match required)
Package / Case: Radial, Can (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)

Substitute parts are grouped into two categories:

Parametric Equivalents: Parts that match all critical electrical and mechanical parameters. These include Nichicon UPA series components and Würth Elektronik WCAP-ATLI series, which maintain identical form factor and electrical specifications.

Upgrades: Parts that exceed the original specifications in beneficial ways, such as extended lifetime (4000 Hrs @ 105°C instead of 3000 Hrs) or improved impedance characteristics, while maintaining mechanical compatibility.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Series	Capacitance	Voltage	Tolerance	Lifetime @ 105°C	Impedance	Product Status	Inventory
UPW1C331MPD1TA	Nichicon	UPW	330 µF	16 V	±20%	3000 Hrs	117 mOhms	Not For New Designs	2801 Pcs
UPA1C331MPD1TA	Nichicon	UPA	330 µF	16 V	±20%	3000 Hrs	90 mOhms	Active	738 Pcs
UPA1C331MPD1TD	Nichicon	UPA	330 µF	16 V	±20%	3000 Hrs	90 mOhms	Active	806 Pcs
UPW1C331MPD1TD	Nichicon	UPW	330 µF	16 V	±20%	3000 Hrs	117 mOhms	Not For New Designs	39750 Pcs
860080374011	Würth Elektronik	WCAP-ATLI	330 µF	16 V	±20%	3000 Hrs	80 mOhms	Active	1782 Pcs
860160374020	Würth Elektronik	WCAP-ATLL	330 µF	16 V	±20%	4000 Hrs	370 mOhms	Active	1602 Pcs
UPA1E331MPD1TD	Nichicon	UPA	330 µF	25 V	±20%	3000 Hrs	90 mOhms	Active	5936 Pcs
MAL215035331E3	Vishay Beyschlag/Draloric/BC Components	150 RMI	330 µF	16 V	±20%	4000 Hrs	117 mOhms	Active	928 Pcs

Engineering Selection Recommendations

For Direct Replacement (Active Product Status):

UPA1C331MPD1TA and UPA1C331MPD1TD are the primary recommended substitutes. Both are Nichicon UPA series components with active product status, identical electrical specifications to the original part, and improved impedance characteristics (90 mOhms versus 117 mOhms). These parts maintain full mechanical and electrical compatibility.

For Extended Lifetime Applications:

860160374020 (Würth Elektronik WCAP-ATLL) and MAL215035331E3 (Vishay 150 RMI) offer extended lifetime ratings of 4000 Hrs @ 105°C compared to the original 3000 Hrs specification. Both are active products with ROHS3 compliance. The Vishay component includes AEC-Q200 automotive qualification. These upgrades are suitable when design margins or application reliability requirements justify the extended operational life.

For Voltage Margin Applications:

UPA1E331MPD1TD provides a 25 V rating while maintaining the same 330 µF capacitance and form factor. This upgrade is applicable in designs where additional voltage margin is beneficial, though it requires verification that the increased voltage rating does not conflict with circuit design intent.

For Cross-Manufacturer Sourcing:

860080374011 (Würth Elektronik WCAP-ATLI) provides parametric equivalence with active product status and improved impedance (80 mOhms). This option supports supply chain diversification while maintaining identical electrical and mechanical specifications.

Frequently Asked Questions (FAQ)

Q: Can UPA1C331MPD1TA directly replace UPW1C331MPD1TA on the PCB?

A: Yes. Both parts share identical capacitance (330 µF), voltage rating (16 V), tolerance (±20%), lead spacing (0.138" / 4.60 mm), case size (0.315" Dia / 8.00 mm), and height (0.512" / 13.00 mm). The UPA series offers improved impedance characteristics (90 mOhms versus 117 mOhms) with no mechanical or electrical incompatibility.

Q: What is the difference between UPA1C331MPD1TA and UPA1C331MPD1TD?

A: Both parts are electrically and mechanically identical. The difference lies in packaging designation (TA versus TD tape configuration). Selection between these variants depends on assembly equipment compatibility and tape reel specifications. Consult your assembly partner for packaging requirements.

Q: Why would I choose 860160374020 over the Nichicon UPA alternatives?

A: The Würth Elektronik 860160374020 offers extended lifetime (4000 Hrs @ 105°C versus 3000 Hrs) while maintaining identical form factor and voltage rating. This upgrade is appropriate for applications requiring enhanced reliability margins or extended operational life in high-temperature environments. All other electrical and mechanical parameters remain compatible.

Q: Is MAL215035331E3 suitable for automotive applications?

A: Yes. The Vishay MAL215035331E3 carries AEC-Q200 automotive qualification and is rated for 4000 Hrs @ 105°C. It maintains identical capacitance, voltage, tolerance, and form factor specifications. This component is appropriate for automotive-grade designs requiring qualified component status.

Q: Can I use UPA1E331MPD1TD (25 V) as a substitute for the 16 V original part?

A: Mechanically and in terms of capacitance, yes. The 25 V rating provides additional voltage margin. However, this substitution requires circuit design verification to ensure the higher voltage rating does not introduce unintended behavior or conflict with circuit intent. Use this upgrade only when voltage margin is a design objective.

Q: What is the impedance difference between substitute parts, and does it matter?

A: Impedance values range from 80 mOhms (860080374011) to 370 mOhms (860160374020). Lower impedance generally provides better high-frequency ripple current handling. For general-purpose applications at the specified 120 Hz ripple current rating, impedance differences are not critical. For high-frequency applications or designs with stringent ripple current requirements, verify the substitute part's ripple current specification against your circuit requirements.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 compliance certification, matching the original UPW1C331MPD1TA specification.

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