UPJ1V331MPD1AA Equivalent & Substitute Parts

Part Overview

The UPJ1V331MPD1AA is a 330 µF, 35 V aluminum electrolytic capacitor manufactured by Nichicon in the UPJ series. This radial, through-hole component is rated for 5000 hours at 105°C and is designed for general-purpose applications. The part is currently in active product status with 1159 units in stock. Equivalent and substitute parts become necessary when addressing design revisions, supply chain optimization, or when transitioning to components with enhanced performance characteristics or compliance certifications.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	35 V
Tolerance	±20%
Lifetime @ Temperature	5000 Hrs @ 105°C
Operating Temperature Range	-55°C ~ 105°C
Polarization	Polar
Package Type	Radial, Can
Mounting Type	Through Hole
Lead Spacing	0.197" (5.00mm)
Size / Dimension	0.394" Dia (10.00mm)
Height - Seated (Max)	0.846" (21.50mm)

Substitute Part Grouping Explanation

Substitution for the UPJ1V331MPD1AA is determined by strict equivalence across the following critical parameters: capacitance value (330 µF), voltage rating (35 V), tolerance (±20%), polarization (polar), package type (radial, can), mounting type (through hole), and mechanical dimensions (lead spacing, diameter, and height). All substitute parts must maintain identical or superior electrical performance within these constraints. The substitution logic is organized into two categories: parametric equivalents (identical electrical and mechanical specifications) and upgrade equivalents (enhanced performance or compliance characteristics while maintaining full mechanical and electrical compatibility).

Parameter Comparison

Parameter	UPJ1V331MPD1AA (Main)	UPJ1V331MPD (Equivalent)	ELXY350ELL331MJ20S (Upgrade)
Manufacturer	Nichicon	Nichicon	Chemi-Con
Capacitance	330 µF	330 µF	330 µF
Voltage Rating	35 V	35 V	35 V
Tolerance	±20%	±20%	±20%
Lifetime @ Temperature	5000 Hrs @ 105°C	5000 Hrs @ 105°C	5000 Hrs @ 105°C
Operating Temperature	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C
Polarization	Polar	Polar	Polar
Package / Case	Radial, Can	Radial, Can	Radial, Can
Mounting Type	Through Hole	Through Hole	Through Hole
Lead Spacing	0.197" (5.00mm)	0.197" (5.00mm)	0.197" (5.00mm)
Size / Dimension	0.394" Dia (10.00mm)	0.394" Dia (10.00mm)	0.394" Dia (10.00mm)
Height - Seated (Max)	0.846" (21.50mm)	0.846" (21.50mm)	0.846" (21.50mm)
Ripple Current @ 120 Hz	810 mA	810 mA	520 mA
Ripple Current @ High Frequency	1.06 A @ 10 kHz	1.06 A @ 10 kHz	1.04 A @ 100 kHz
Impedance	96 mOhms	96 mOhms	62 mOhms
Product Status	Active	Not For New Designs	Active
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant
Ratings	Not specified	Not specified	AEC-Q200

Engineering Selection Recommendations

UPJ1V331MPD (Parametric Equivalent): This Nichicon part maintains identical electrical and mechanical specifications to the UPJ1V331MPD1AA. However, its product status is listed as "Not For New Designs," indicating it is in end-of-life phase. Selection of this substitute should be limited to legacy system maintenance or existing design continuity where component interchangeability is the primary requirement.

ELXY350ELL331MJ20S (Upgrade Equivalent): This Chemi-Con LXY series capacitor is rated as active and carries AEC-Q200 automotive qualification. It maintains full mechanical and electrical compatibility with identical capacitance, voltage, tolerance, and package dimensions. The upgrade offers lower impedance (62 mOhms versus 96 mOhms) and improved high-frequency ripple current performance (1.04 A @ 100 kHz). Both the main part and this upgrade are ROHS3 compliant. This substitute is suitable for new designs and applications requiring automotive-grade reliability.

Frequently Asked Questions (FAQ)

Q: Can UPJ1V331MPD1AA be directly replaced with UPJ1V331MPD?

A: Yes, UPJ1V331MPD is a parametric equivalent with identical capacitance (330 µF), voltage rating (35 V), tolerance (±20%), and mechanical dimensions. However, UPJ1V331MPD is marked "Not For New Designs," so it should only be used for legacy system support or direct replacement scenarios.

Q: What are the advantages of ELXY350ELL331MJ20S over the original part?

A: ELXY350ELL331MJ20S maintains full compatibility while offering lower impedance (62 mOhms versus 96 mOhms) and AEC-Q200 automotive qualification. Both parts are ROHS3 compliant and active products. The upgrade is suitable for applications requiring enhanced performance or automotive-grade certification.

Q: Are all substitute parts mechanically interchangeable?

A: Yes. All listed substitutes share identical lead spacing (0.197" / 5.00mm), diameter (0.394" / 10.00mm), and maximum seated height (0.846" / 21.50mm). They are all radial, through-hole components and will fit existing PCB layouts without modification.

Q: Do the substitute parts have the same operating temperature range?

A: Yes. All parts operate across -55°C to 105°C with a rated lifetime of 5000 hours at 105°C, ensuring equivalent thermal performance in the specified operating envelope.

Q: Which substitute should be selected for new designs?

A: ELXY350ELL331MJ20S is the recommended choice for new designs. It is an active product with AEC-Q200 automotive qualification and ROHS3 compliance, providing both current availability and enhanced performance characteristics.

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