UPJ1V331MPD1TD Equivalent & Substitute Parts

Part Overview

The Nichicon UPJ1V331MPD1TD is a 330 µF, 35 V aluminum electrolytic capacitor in radial configuration with a 5000-hour lifetime at 105°C. This component is classified as "Not For New Designs," indicating it has been superseded in Nichicon's product portfolio. Finding equivalent or substitute parts is necessary for legacy system maintenance, repair operations, and applications where design flexibility permits component selection from alternative manufacturers or upgraded series within the same manufacturer.

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
Lead Spacing	0.197" (5.00 mm)
Case Diameter	0.394" (10.00 mm)
Height - Seated (Max)	0.846" (21.50 mm)
Mounting Type	Through Hole
Package / Case	Radial, Can
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the UPJ1V331MPD1TD is determined by the following critical parameters:

Capacitance Value: 330 µF (exact match required)
Voltage Rating: Minimum 35 V (equal or higher voltage ratings are acceptable)
Tolerance: ±20% (matching tolerance preferred)
Polarization: Polar (required for electrolytic capacitors)
Lead Spacing: 0.197" (5.00 mm) (mechanical fit requirement)
Case Diameter: 0.394" (10.00 mm) (mechanical fit requirement)
Height - Seated (Max): 0.846" (21.50 mm) or 0.866" (22.00 mm) (space constraint consideration)
Mounting Type: Through Hole (PCB compatibility)
Package / Case: Radial, Can (form factor requirement)
Operating Temperature Range: -55°C ~ 105°C (environmental compatibility)
Lifetime @ Temperature: 5000 Hrs @ 105°C (reliability specification)

Substitutes are categorized into two groups:

Direct Equivalents maintain identical electrical and mechanical specifications with only packaging format differences (Cut Tape vs. Bulk).

Upgraded Substitutes feature higher voltage ratings (50 V) or improved performance characteristics (lower impedance, automotive-grade certifications) while maintaining the same capacitance, tolerance, and physical dimensions.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage Rating	Tolerance	Impedance	Height (Max)	Product Status	Packaging	Ratings
UPJ1V331MPD1TD	Nichicon	330 µF	35 V	±20%	96 mOhms	0.846" (21.50 mm)	Not For New Designs	Cut Tape (CT)	—
UPJ1V331MPD	Nichicon	330 µF	35 V	±20%	96 mOhms	0.846" (21.50 mm)	Not For New Designs	Bulk	—
UPM1V331MPD1TD	Nichicon	330 µF	35 V	±20%	60 mOhms	0.866" (22.00 mm)	Not For New Designs	Cut Tape (CT)	AEC-Q200
UPW1H331MPD1TD	Nichicon	330 µF	50 V	±20%	90 mOhms	0.866" (22.00 mm)	Not For New Designs	Cut Tape (CT)	—
B41858C6337M8	EPCOS - TDK Electronics	330 µF	50 V	±20%	118 mOhms	0.866" (22.00 mm)	Active	—	—
ELXY350EMC331MJ20S	Chemi-Con	330 µF	35 V	±20%	62 mOhms	0.846" (21.50 mm)	Active	Tape & Box (TB)	AEC-Q200
ELXY350ETD331MJ20S	Chemi-Con	330 µF	35 V	±20%	62 mOhms	0.846" (21.50 mm)	Active	Tape & Box (TB)	AEC-Q200

Engineering Selection Recommendations

For Direct Replacement (Same Voltage Rating)

UPJ1V331MPD (Bulk packaging) is a direct equivalent to UPJ1V331MPD1TD, differing only in packaging format. Selection between Cut Tape and Bulk depends on procurement and assembly requirements.

ELXY350EMC331MJ20S and ELXY350ETD331MJ20S (Chemi-Con LXY series) are active-status alternatives with identical electrical specifications and mechanical dimensions. Both carry AEC-Q200 automotive qualification, providing enhanced reliability documentation. Lower impedance (62 mOhms vs. 96 mOhms) offers improved high-frequency performance. These parts are suitable for applications requiring active-status components.

For Upgraded Performance (Higher Voltage Rating)

UPW1H331MPD1TD (Nichicon UPW series, 50 V rating) provides voltage margin improvement while maintaining the same capacitance and form factor. Impedance is reduced to 90 mOhms, enhancing ripple current handling. Height increases to 0.866" (22.00 mm), requiring PCB layout verification.

B41858C6337M8 (EPCOS - TDK Electronics B41858 series, 50 V rating, Active status) offers the highest reliability status among substitutes. Automotive-grade qualification and active product status support long-term availability. Height matches UPW1H331MPD1TD at 0.866" (22.00 mm). Impedance specification of 125 mOhm @ 10 kHz is provided.

For Automotive Applications

UPM1V331MPD1TD (Nichicon UPM series) combines 35 V rating with AEC-Q200 automotive qualification and reduced impedance (60 mOhms). Height increases to 0.866" (22.00 mm). This part bridges legacy voltage requirements with automotive-grade reliability.

ELXY350EMC331MJ20S and ELXY350ETD331MJ20S both carry AEC-Q200 ratings and maintain the original 35 V specification with improved impedance characteristics.

Frequently Asked Questions (FAQ)

Q: Can I use a 50 V rated capacitor in place of a 35 V rated capacitor?

A: Yes. Higher voltage ratings provide additional safety margin and are electrically compatible in circuits designed for lower voltages. The capacitor will function correctly in the 35 V application. Physical dimensions must still be verified for PCB fit.

Q: What is the difference between UPJ1V331MPD1TD and UPJ1V331MPD?

A: These parts are electrically and mechanically identical. The difference is packaging format: UPJ1V331MPD1TD is supplied in Cut Tape (CT), while UPJ1V331MPD is supplied in Bulk. Selection depends on assembly process requirements and procurement volume.

Q: Why do some substitutes have different heights (0.846" vs. 0.866")?

A: Height variation of 0.020" (0.50 mm) results from different internal construction within the same case diameter. PCB layout must accommodate the maximum height of the selected part. Verify clearance above the capacitor location before substitution.

Q: What does "Not For New Designs" mean?

A: This status indicates the part has been superseded in the manufacturer's product line. The part remains available for existing applications and repairs but should not be selected for new product development. Active-status alternatives (ELXY series, B41858C6337M8) are recommended for new designs.

Q: Are Chemi-Con ELXY parts direct replacements?

A: ELXY350EMC331MJ20S and ELXY350ETD331MJ20S are functionally equivalent with identical capacitance, voltage, tolerance, and physical dimensions. Both carry AEC-Q200 automotive qualification. The primary difference is packaging format (Tape & Box vs. Cut Tape) and lower impedance (62 mOhms vs. 96 mOhms), which improves performance.

Q: What does AEC-Q200 qualification mean?

A: AEC-Q200 is an automotive industry reliability standard for passive components. Parts meeting this qualification have undergone extended environmental and stress testing, making them suitable for automotive and high-reliability applications. ELXY series and UPM1V331MPD1TD carry this certification.

Q: Can I substitute an active-status part for a "Not For New Designs" part?

A: Yes. Active-status parts (ELXY350EMC331MJ20S, ELXY350ETD331MJ20S, B41858C6337M8) are suitable replacements provided electrical and mechanical specifications match. Active status ensures continued manufacturer support and long-term availability.

Q: What is impedance, and why does it matter?

A: Impedance is the total opposition to AC current flow at a specified frequency. Lower impedance (62 mOhms in ELXY series vs. 96 mOhms in UPJ1V331MPD1TD) allows better ripple current handling and reduced voltage ripple in power supply applications. For general-purpose applications, impedance differences are typically not critical.

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