UPM1A331MPD1TA Equivalent & Substitute Parts

Part Overview

The UPM1A331MPD1TA is a 330 µF, 10 V aluminum electrolytic capacitor in radial configuration manufactured by Nichicon. This component is rated for automotive applications with AEC-Q200 compliance and features a 3000-hour lifetime at 105°C operating temperature. The part is classified as "Not For New Designs," making identification of functionally equivalent alternatives essential for ongoing production support and design 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
Polarization	Polar
Package Type	Radial, Can
Lead Spacing	0.138" (4.60mm)
Physical Dimensions	0.315" Dia (8.00mm), Height 0.512" (13.00mm)
Mounting Type	Through Hole
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the UPM1A331MPD1TA is determined by the following criteria:

Parametric Equivalents maintain identical electrical specifications: 330 µF capacitance, 10 V voltage rating, ±20% tolerance, 3000-hour lifetime at 105°C, and identical physical dimensions with 0.138" lead spacing. These parts are mechanically and electrically interchangeable in the same circuit application.

Upgrade Substitutes increase the voltage rating above 10 V while maintaining all other parameters (330 µF capacitance, ±20% tolerance, 3000-hour lifetime, identical package dimensions). Higher voltage ratings provide additional design margin and are compatible with circuits designed for 10 V operation.

Manufacturer Variations within the same electrical specification class differ only in series designation (UPM, UPA, UPW) or packaging format (Cut Tape vs. Tape & Box), reflecting different manufacturing lines or distribution channels from Nichicon or alternative manufacturers.

Parameter Comparison

Part Number	Manufacturer	Series	Capacitance	Voltage	Tolerance	Lifetime @ 105°C	Impedance	Ripple Current @ 120 Hz	Product Status	Packaging
UPM1A331MPD1TA	Nichicon	UPM	330 µF	10 V	±20%	3000 Hrs	160 mOhms	350 mA	Not For New Designs	Cut Tape (CT)
UPM1A331MPD1TD	Nichicon	UPM	330 µF	10 V	±20%	3000 Hrs	160 mOhms	350 mA	Not For New Designs	Cut Tape (CT)
UPW1A331MPD1TD	Nichicon	UPW	330 µF	10 V	±20%	3000 Hrs	117 mOhms	360.75 mA	Not For New Designs	Cut Tape (CT)
860080274009	Würth Elektronik	WCAP-ATLI	330 µF	10 V	±20%	3000 Hrs	110 mOhms	540 mA @ 100 kHz	Active	Tape & Box (TB)
UPA1C331MPD1TA	Nichicon	UPA	330 µF	16 V	±20%	3000 Hrs	90 mOhms	409.5 mA	Active	Cut Tape (CT)
UPA1E331MPD1TA	Nichicon	UPA	330 µF	25 V	±20%	3000 Hrs	90 mOhms	409.5 mA	Active	Cut Tape (CT)

Engineering Selection Recommendations

For Direct Replacement (Parametric Equivalents): UPM1A331MPD1TD and UPW1A331MPD1TD are parametric equivalents with identical 10 V ratings and 330 µF capacitance. UPM1A331MPD1TD maintains the same AEC-Q200 automotive rating as the original part. UPW1A331MPD1TD offers lower impedance (117 mOhms vs. 160 mOhms) and higher ripple current capability, suitable for applications requiring improved high-frequency performance. The Würth Elektronik 860080274009 provides an active-status alternative with the lowest impedance (110 mOhms) and highest ripple current rating (540 mA @ 100 kHz), though it differs in packaging format (Tape & Box vs. Cut Tape).

For Voltage Margin Enhancement: UPA1C331MPD1TA (16 V) and UPA1E331MPD1TA (25 V) are upgrade substitutes maintaining identical physical dimensions and lead spacing. Both are active-status products from Nichicon's UPA series. These higher voltage ratings provide additional design margin in circuits operating below their rated voltage. The UPA series exhibits lower impedance (90 mOhms) compared to the original UPM series, resulting in improved ripple current performance (409.5 mA @ 120 Hz).

Compliance Considerations: The original UPM1A331MPD1TA carries AEC-Q200 automotive qualification. Parametric equivalents UPM1A331MPD1TD maintains this certification. Alternative manufacturers and series (UPW, UPA, Würth) do not list automotive ratings but are ROHS3 compliant and suitable for general-purpose applications. Component selection should align with application-specific compliance requirements.

Frequently Asked Questions (FAQ)

Q: Can UPA1C331MPD1TA or UPA1E331MPD1TA be used as direct replacements for UPM1A331MPD1TA? A: Yes. Both maintain identical capacitance (330 µF), tolerance (±20%), physical dimensions, lead spacing (0.138"), and lifetime rating (3000 Hrs @ 105°C). The higher voltage ratings (16 V and 25 V respectively) are compatible with circuits designed for 10 V operation, providing additional design margin. Both are active-status products from Nichicon.

Q: What is the difference between UPM1A331MPD1TA and UPM1A331MPD1TD? A: These parts are parametric equivalents differing only in packaging designation (TA vs. TD tape format). Electrical specifications, physical dimensions, and performance characteristics are identical. Both carry "Not For New Designs" status and AEC-Q200 automotive rating.

Q: Why does 860080274009 have different ripple current specifications? A: The Würth Elektronik part specifies ripple current at 100 kHz (540 mA) rather than 120 Hz (350 mA for the original). This reflects measurement at different frequency conditions. The 100 kHz specification indicates superior high-frequency performance. Physical dimensions and lead spacing remain identical.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance. The original UPM1A331MPD1TA and its parametric equivalents also comply with ROHS3 standards.

Q: What is the significance of "Not For New Designs" status? A: This designation indicates the original UPM series is in mature or end-of-life phase. Active-status alternatives (UPA series, Würth Elektronik) are recommended for new design implementations. Existing production using the original part can continue with parametric equivalents maintaining identical specifications.

Q: Does packaging format (Cut Tape vs. Tape & Box) affect electrical performance? A: No. Packaging format affects only handling, storage, and distribution logistics. Electrical specifications, physical dimensions, and performance characteristics remain identical regardless of packaging format.

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