Equivalent & Substitute Parts for UPJ1V331MHD6

Part Overview

The UPJ1V331MHD6 is a 330 µF, 35 V aluminum electrolytic capacitor in radial configuration manufactured by Nichicon. This component is classified as not for new designs, indicating it is an older product line. Finding equivalent and substitute parts is necessary for applications requiring continued supply, design flexibility, or performance optimization across different operating conditions and reliability ratings.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	35 V
Tolerance	±20%
Lifetime @ 105°C	5000 Hrs
Operating Temperature Range	-55°C ~ 105°C
Polarization	Polar
Mounting Type	Through Hole
Package Type	Radial, Can
Lead Spacing	0.197" (5.00 mm)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the UPJ1V331MHD6 is determined by strict equivalence in the following parameters:

Capacitance: 330 µF (exact match required)
Voltage Rating: 35 V (exact match required)
Tolerance: ±20% (exact match required)
Polarization: Polar (exact match required)
Mounting Type: Through Hole (exact match required)
Package Type: Radial, Can (exact match required)
Lead Spacing: 0.197" (5.00 mm) for standard substitutes; 0.138" (4.60 mm) for compact variants
Operating Temperature Range: -55°C ~ 105°C (exact match required)

Substitutes are grouped into three categories:

Direct Packaging Variants: Same electrical specifications, different packaging (Bulk vs. Cut Tape)
Series Variants: Different Nichicon series (UPJ, UPM, UPS, UPW) with identical core electrical parameters
Cross-Manufacturer Equivalents: Panasonic EEU-FC series with matching electrical specifications

Parameter Comparison

Part Number	Manufacturer	Series	Capacitance	Voltage	Tolerance	Lifetime @ 105°C	Lead Spacing	Size (Dia)	Height (Max)	Impedance	Ripple Current @ 120 Hz	Ripple Current @ 10/100 kHz	Ratings	Product Status
UPJ1V331MHD6	Nichicon	UPJ	330 µF	35 V	±20%	5000 Hrs	0.197" (5.00 mm)	0.492" (12.50 mm)	0.650" (16.50 mm)	100 mOhms	780 mA	1.02 A @ 10 kHz	—	Not For New Designs
UPJ1V331MHD6TO	Nichicon	UPJ	330 µF	35 V	±20%	5000 Hrs	0.197" (5.00 mm)	0.492" (12.50 mm)	0.650" (16.50 mm)	100 mOhms	780 mA	1.02 A @ 10 kHz	—	Not For New Designs
UPJ1V331MPD	Nichicon	UPJ	330 µF	35 V	±20%	5000 Hrs	0.197" (5.00 mm)	0.394" (10.00 mm)	0.846" (21.50 mm)	96 mOhms	810 mA	1.06 A @ 10 kHz	—	Not For New Designs
UPM1V331MHD6	Nichicon	UPM	330 µF	35 V	±20%	5000 Hrs	0.197" (5.00 mm)	0.492" (12.50 mm)	0.669" (17.00 mm)	65 mOhms	780 mA	1.02 A @ 10 kHz	AEC-Q200	Not For New Designs
UPM1V331MPD	Nichicon	UPM	330 µF	35 V	±20%	5000 Hrs	0.197" (5.00 mm)	0.394" (10.00 mm)	0.866" (22.00 mm)	60 mOhms	810 mA	1.06 A @ 10 kHz	AEC-Q200	Not For New Designs
UPS1V331MPD	Nichicon	UPS	330 µF	35 V	±20%	2000 Hrs	0.197" (5.00 mm)	0.394" (10.00 mm)	0.689" (17.50 mm)	140 mOhms	568 mA	800 mA @ 100 kHz	—	Not For New Designs
UPW1V331MPD	Nichicon	UPW	330 µF	35 V	±20%	5000 Hrs	0.197" (5.00 mm)	0.394" (10.00 mm)	0.630" (16.00 mm)	68 mOhms	682.5 mA	1.05 A @ 100 kHz	—	Not For New Designs
UPW1V331MPD6	Nichicon	UPW	330 µF	35 V	±20%	3000 Hrs	0.138" (4.60 mm)	0.315" (8.00 mm)	0.787" (20.00 mm)	65 mOhms	646.75 mA	995 mA @ 100 kHz	—	Not For New Designs
EEU-FC1V331	Panasonic	FC	330 µF	35 V	±20%	3000 Hrs	0.197" (5.00 mm)	0.394" (10.00 mm)	0.630" (16.00 mm)	68 mOhms	682.5 mA	1.05 A @ 100 kHz	AEC-Q200	Active
EEU-FC1V331B	Panasonic	FC	330 µF	35 V	±20%	3000 Hrs	0.197" (5.00 mm)	0.394" (10.00 mm)	0.669" (17.00 mm)	68 mOhms	682.5 mA	1.05 A @ 100 kHz	AEC-Q200	Active
EEU-FC1V331L	Panasonic	FC	330 µF	35 V	±20%	2000 Hrs	0.138" (4.60 mm)	0.315" (8.00 mm)	0.787" (20.00 mm)	65 mOhms	646.8 mA	995 mA @ 100 kHz	AEC-Q200	Active

Engineering Selection Recommendations

For Direct Replacement (Identical Footprint and Performance)

UPJ1V331MHD6TO is the direct equivalent, differing only in packaging format (Cut Tape vs. Bulk). Both maintain identical electrical specifications and physical dimensions.

For General Purpose Applications

UPJ1V331MPD and UPW1V331MPD are suitable substitutes for general purpose applications. Both maintain 5000 hour lifetime at 105°C and identical lead spacing. UPW1V331MPD offers lower impedance (68 mOhms vs. 100 mOhms) and improved ripple current handling at high frequencies.

For Automotive Applications with AEC-Q200 Compliance

UPM1V331MHD6 and UPM1V331MPD are qualified to AEC-Q200 standard, suitable for automotive environments. These variants offer reduced impedance compared to general purpose series. UPM1V331MHD6 maintains the original can diameter (12.50 mm) with improved thermal performance (65 mOhms impedance).

For Compact Form Factor Applications

UPW1V331MPD6 and EEU-FC1V331L feature reduced lead spacing (0.138" / 4.60 mm) and smaller diameter (0.315" / 8.00 mm), suitable for space-constrained designs. Both maintain 2000-3000 hour lifetime ratings.

For Active Product Status and Long-Term Availability

Panasonic EEU-FC series (EEU-FC1V331, EEU-FC1V331B, EEU-FC1V331L) are active products with current production status. EEU-FC1V331 and EEU-FC1V331B carry AEC-Q200 automotive qualification and are recommended for new designs requiring long-term supply assurance.

For Reduced Lifetime Requirements

UPS1V331MPD and EEU-FC1V331L provide 2000 hour lifetime ratings at 105°C, suitable for applications with lower thermal stress or shorter operational life requirements.

Frequently Asked Questions (FAQ)

Q: Can UPJ1V331MHD6 be replaced with UPJ1V331MPD?

A: Yes. Both are Nichicon UPJ series with identical capacitance (330 µF), voltage (35 V), tolerance (±20%), and 5000 hour lifetime at 105°C. Physical dimensions differ: UPJ1V331MPD has a smaller diameter (10.00 mm vs. 12.50 mm) but greater height (21.50 mm vs. 16.50 mm). Verify PCB layout compatibility before substitution.

Q: What is the difference between UPM and UPJ series?

A: UPM series is qualified to AEC-Q200 automotive standard with lower impedance (60-65 mOhms vs. 96-100 mOhms). UPJ series is general purpose. Both maintain identical capacitance, voltage, and lifetime specifications. UPM is suitable for automotive applications; UPJ for general purpose.

Q: Are Panasonic EEU-FC parts direct replacements?

A: Panasonic EEU-FC1V331 and EEU-FC1V331B are electrically equivalent with matching lead spacing (5.00 mm). EEU-FC1V331L has reduced lead spacing (4.60 mm) and is not a direct footprint replacement. All EEU-FC variants are active products with AEC-Q200 qualification, offering superior long-term availability compared to discontinued Nichicon UPJ/UPS series.

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

A: This product status indicates the part is obsolete or in end-of-life phase. Nichicon recommends using alternative parts for new designs. Existing inventory remains available for legacy system support. Panasonic EEU-FC series provides active alternatives for new designs.

Q: How do impedance differences affect circuit performance?

A: Lower impedance (60-68 mOhms in UPM/UPW/EEU-FC vs. 100 mOhms in UPJ) reduces voltage ripple and improves high-frequency filtering. For applications with stringent ripple current requirements or high-frequency switching, lower impedance variants are preferred.

Q: Can UPW1V331MPD6 be used in place of UPJ1V331MHD6?

A: Electrical substitution is valid (330 µF, 35 V, ±20%, 5000 hour lifetime). However, lead spacing differs (4.60 mm vs. 5.00 mm), requiring PCB redesign. Physical dimensions also differ significantly. This substitution is suitable only for new layouts or when PCB modification is acceptable.

Q: Which substitute offers the best ripple current performance?

A: UPM1V331MPD and UPW1V331MPD offer the highest ripple current at 10 kHz (1.06 A and 1.05 A respectively) with lowest impedance values. For high-ripple-current applications, these variants are preferred over the original UPJ1V331MHD6 (1.02 A @ 10 kHz, 100 mOhms impedance).

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