UPW1A331MPD1TA Equivalent & Substitute Parts

Part Overview

The UPW1A331MPD1TA is a 330 µF, 10 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 This component is classified as Not For New Designs, indicating it has been superseded in the product lifecycle. The part operates across a temperature range of -55°C to 105°C with a rated lifetime of 3000 hours at 105°C, suitable for general-purpose applications requiring stable capacitance and ripple current handling.

Identifying equivalent and substitute parts is necessary due to the product's discontinued status for new designs. Alternative components with matching or upgraded electrical and mechanical specifications ensure design continuity and supply chain flexibility.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	10 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)

Substitute Part Grouping Explanation

Substitute parts for the UPW1A331MPD1TA are classified into three categories based on electrical and mechanical compatibility:

Upgrade Substitutes maintain identical capacitance (330 µF) and tolerance (±20%) while increasing voltage rating to 16 V or 25 V. These parts are pin-compatible and mechanically identical, allowing direct replacement with enhanced voltage margin. Upgrade substitutes include UPA1C331MPD1TA (16 V, Active status) and UPA1E331MPD1TA (25 V, Active status).

Parametric Equivalents match the original 10 V voltage rating and 330 µF capacitance with identical mechanical dimensions and lead spacing. These parts differ in series designation, manufacturer, or internal construction parameters such as impedance and ripple current ratings. Parametric equivalents include UPM1A331MPD1TD (Nichicon, Automotive-rated), UPW1A331MPD1TD (Nichicon, same series), and 860080274009 (Würth Elektronik, WCAP-ATLI series).

Substitution eligibility is determined by:

Matching capacitance value (330 µF)
Voltage rating equal to or greater than 10 V
Identical lead spacing (0.138" / 4.60 mm)
Identical package type (Radial, Can)
Identical mounting type (Through Hole)
Compatible operating temperature range (-55°C ~ 105°C)

Parameter Comparison

Part Number	Manufacturer	Series	Capacitance	Voltage	Impedance	Ripple Current @ 120 Hz	Product Status	Inventory
UPW1A331MPD1TA	Nichicon	UPW	330 µF	10 V	117 mOhms	360.75 mA	Not For New Designs	985 Pcs
UPA1C331MPD1TA	Nichicon	UPA	330 µF	16 V	90 mOhms	409.5 mA	Active	738 Pcs
UPA1E331MPD1TA	Nichicon	UPA	330 µF	25 V	90 mOhms	409.5 mA	Active	1044 Pcs
UPW1C331MPD1TA	Nichicon	UPW	330 µF	16 V	117 mOhms	360.75 mA	Not For New Designs	2801 Pcs
UPM1A331MPD1TD	Nichicon	UPM	330 µF	10 V	160 mOhms	350 mA	Not For New Designs	7800 Pcs
UPW1A331MPD1TD	Nichicon	UPW	330 µF	10 V	117 mOhms	360.75 mA	Not For New Designs	7868 Pcs
860080274009	Würth Elektronik	WCAP-ATLI	330 µF	10 V	110 mOhms	540 mA @ 100 kHz	Active	742 Pcs

Engineering Selection Recommendations

For new designs, UPA1C331MPD1TA or UPA1E331MPD1TA are the primary recommendations. Both parts carry Active product status and are manufactured by Nichicon in the UPA series. UPA1C331MPD1TA provides a 16 V rating with lower impedance (90 mOhms) compared to the original part, while UPA1E331MPD1TA offers 25 V rating for applications requiring additional voltage margin. Both maintain ROHS3 compliance and identical mechanical dimensions.

For applications requiring parametric equivalence at the original 10 V rating, 860080274009 (Würth Elektronik, WCAP-ATLI series) is the only Active-status option. This part provides superior ripple current handling at high frequency (540 mA @ 100 kHz) and maintains ROHS3 compliance with identical mechanical specifications.

UPW1A331MPD1TD and UPM1A331MPD1TD are parametric equivalents with Not For New Designs status. UPM1A331MPD1TD includes AEC-Q200 automotive qualification, suitable for applications with automotive compliance requirements. Both parts maintain identical lead spacing and package configuration.

Frequently Asked Questions (FAQ)

Q: Can UPA1C331MPD1TA or UPA1E331MPD1TA be used as direct replacements for UPW1A331MPD1TA?

A: Yes. Both upgrade substitutes are mechanically and electrically compatible. They share identical lead spacing (0.138" / 4.60 mm), package type (Radial, Can), and mounting configuration (Through Hole). The higher voltage ratings (16 V and 25 V respectively) provide backward compatibility with 10 V circuit requirements while offering improved voltage margin.

Q: What is the difference between parametric equivalents and upgrade substitutes?

A: Upgrade substitutes increase the voltage rating while maintaining all other specifications, providing enhanced performance margin. Parametric equivalents match the original voltage rating but may differ in series designation, manufacturer, or internal electrical characteristics such as impedance and ripple current. All categories maintain identical mechanical dimensions and lead spacing.

Q: Is 860080274009 suitable for high-frequency applications?

A: Yes. The Würth Elektronik 860080274009 specifies ripple current at 100 kHz (540 mA), indicating suitability for high-frequency operation. The original UPW1A331MPD1TA specifies ripple current at 120 Hz, making the Würth part advantageous for applications with elevated frequency requirements.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 Compliant status, matching the original UPW1A331MPD1TA compliance level.

Q: Which substitute part has the lowest impedance?

A: UPA1C331MPD1TA and UPA1E331MPD1TA both feature 90 mOhms impedance, compared to 117 mOhms for the original part. This represents a 23% reduction in equivalent series resistance.

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