UPJ1A331MPD Equivalent & Substitute Parts

Part Overview

The UPJ1A331MPD is a 330 µF, 10 V aluminum electrolytic capacitor in radial, can package manufactured by Nichicon. This component is rated for 3000 hours at 105°C and is classified as Not For New Designs. Due to its obsolescence status, equivalent and substitute parts with improved specifications or active product status are available to support ongoing production and maintenance requirements.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	10 V
Tolerance	±20%
Lifetime @ 105°C	3000 Hrs
Operating Temperature Range	-55°C ~ 105°C
Polarization	Polar
Mounting Type	Through Hole
Package / Case	Radial, Can
Lead Spacing	0.138" (4.60mm)
Size / Dimension	0.315" Dia (8.00mm)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria:

Direct Substitutes (Packaging Variant): Parts with identical electrical specifications and physical dimensions but different packaging format (Cut Tape vs. Bulk).

Upgrade Substitutes (Voltage Rating Increase): Parts with the same capacitance and tolerance but higher voltage ratings (16 V or 25 V). These provide enhanced voltage margin and are backward compatible in 10 V applications.

Similar Substitutes (Same Electrical Specs, Different Series): Parts from alternative Nichicon series or other manufacturers with matching capacitance, voltage, tolerance, and physical dimensions. These may differ in impedance, ripple current handling, or lifetime specifications.

Key Parameters for Substitution:

Capacitance: 330 µF (fixed)
Voltage Rating: 10 V minimum (upgrades to 16 V or 25 V acceptable)
Tolerance: ±20% (fixed)
Polarization: Polar (fixed)
Mounting Type: Through Hole (fixed)
Lead Spacing: 0.138" (4.60mm) (fixed)
Package / Case: Radial, Can (fixed)

Parameter Comparison

Part Number	Manufacturer	Series	Capacitance	Voltage	Lifetime @ 105°C	Impedance	Ripple Current @ 120 Hz	Product Status	Packaging
UPJ1A331MPD	Nichicon	UPJ	330 µF	10 V	3000 Hrs	260 mOhms	350 mA	Not For New Designs	Bulk
UPJ1A331MPD1TD	Nichicon	UPJ	330 µF	10 V	3000 Hrs	260 mOhms	350 mA	Not For New Designs	Cut Tape (CT)
UPA1C331MPD	Nichicon	UPA	330 µF	16 V	3000 Hrs	90 mOhms	409.5 mA	Active	Bulk
UPA1E331MPD	Nichicon	UPA	330 µF	25 V	3000 Hrs	90 mOhms	409.5 mA	Active	Bulk
UPM1A331MPD	Nichicon	UPM	330 µF	10 V	3000 Hrs	160 mOhms	350 mA	Not For New Designs	Bulk
UPV1A331MGD	Nichicon	UPV	330 µF	10 V	5000 Hrs	270 mOhms	Not Specified	Not For New Designs	Bulk
UPW1A331MPD	Nichicon	UPW	330 µF	10 V	3000 Hrs	117 mOhms	360.75 mA	Not For New Designs	Bulk
337KXM016M	Cornell Dubilier / Illinois Capacitor	KXM	330 µF	16 V	3000 Hrs	220 mOhms	380 mA	Active	Bulk
337RZM016M	Cornell Dubilier / Illinois Capacitor	RZM	330 µF	16 V	3000 Hrs	540 mOhms	Not Specified	Active	Not Specified
MAL215055331E3	Vishay Beyschlag/Draloric/BC Components	150 RMI	330 µF	16 V	4000 Hrs	117 mOhms	360.8 mA	Active	Bulk
MAL215085331E3	Vishay Beyschlag/Draloric/BC Components	150 RMI	330 µF	16 V	4000 Hrs	117 mOhms	360.8 mA	Active	Bulk

Engineering Selection Recommendations

For Direct Replacement (Same Specifications): UPJ1A331MPD1TD is a direct equivalent available in Cut Tape packaging. Selection depends on assembly process requirements.

For Active Product Status: UPA1C331MPD (16 V) and UPA1E331MPD (25 V) are Nichicon UPA series parts with Active product status. Both provide higher voltage ratings suitable for 10 V applications with improved design margin. UPA1C331MPD offers 16 V rating; UPA1E331MPD provides 25 V rating for applications requiring additional voltage headroom.

For Alternative Manufacturers: 337KXM016M (Cornell Dubilier / Illinois Capacitor, KXM series, 16 V, Active) and MAL215055331E3 or MAL215085331E3 (Vishay, 150 RMI series, 16 V, Active) are qualified alternatives with Active product status. MAL series parts carry AEC-Q200 automotive qualification.

For Extended Lifetime: UPV1A331MGD provides 5000 hours lifetime at 105°C compared to the standard 3000 hours, supporting applications requiring enhanced reliability.

Frequently Asked Questions (FAQ)

Q: Can I use a 16 V or 25 V rated capacitor in place of the 10 V UPJ1A331MPD? A: Yes. Higher voltage-rated capacitors are backward compatible in 10 V applications. UPA1C331MPD (16 V) and UPA1E331MPD (25 V) maintain identical capacitance, tolerance, and physical dimensions while providing increased voltage margin.

Q: What is the difference between UPJ1A331MPD and UPJ1A331MPD1TD? A: Both parts are electrically and mechanically identical. The primary difference is packaging: UPJ1A331MPD is supplied in Bulk; UPJ1A331MPD1TD is supplied in Cut Tape (CT) format. Selection depends on assembly equipment compatibility.

Q: Why are some substitute parts listed as "Not For New Designs"? A: Parts designated "Not For New Designs" are in mature or obsolescence phases. For new designs, select parts with "Active" product status such as UPA1C331MPD, UPA1E331MPD, 337KXM016M, or MAL215055331E3.

Q: What does impedance variation mean for substitution? A: Impedance affects ripple current handling and frequency response. Lower impedance (90 mOhms in UPA series) indicates better high-frequency performance. Impedance differences are acceptable provided the application does not require specific impedance matching.

Q: Are Vishay MAL215055331E3 and MAL215085331E3 interchangeable? A: Both parts share identical electrical specifications (330 µF, 16 V, ±20%, 4000 Hrs @ 105°C) and physical dimensions. They are functionally interchangeable. Selection may depend on supplier availability or specific procurement requirements.

Q: Do all substitute parts meet RoHS compliance? A: All listed substitute parts are ROHS3 Compliant. Verify REACH status for specific applications: Nichicon UPA series and Vishay MAL series are REACH Affected; Cornell Dubilier 337KXM016M and 337RZM016M are REACH Unaffected.

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