Equivalent & Substitute Parts for UPJ1J331MHD6

Part Overview

The Nichicon UPJ1J331MHD6 is a 330 µF, 63 V aluminum electrolytic capacitor in radial configuration with a 5000-hour lifetime rating at 105°C. This component is classified as Not For New Designs, indicating it is an established product suitable for maintenance, repair, and legacy system applications. Due to its discontinued status for new designs, identifying functionally equivalent alternatives is essential for procurement continuity and system reliability.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	63 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	0.295" (7.50mm)
Diameter	0.709" (18.00mm)
Height	0.650" (16.50mm)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the UPJ1J331MHD6 is determined by strict equivalence across the following critical parameters:

Capacitance: 330 µF (exact match required)
Voltage Rating: 63 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: 0.295" (7.50mm) (exact match required)
Diameter: 0.709" (18.00mm) (exact match required)

Substitute parts are grouped into two categories:

Direct Equivalents (Packaging Variant): Parts with identical electrical and mechanical specifications but different packaging formats (Bulk vs. Cut Tape).

Functional Equivalents (Series Variants): Parts from different Nichicon series (UPJ, UPM, UPS, UPW) or alternative manufacturers (Panasonic, Chemi-Con) that maintain the core electrical parameters and physical footprint, with variations in lifetime ratings, impedance, ripple current handling, or application certifications.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ 105°C	Lead Spacing	Diameter	Height	Impedance	Product Status	Packaging
UPJ1J331MHD6	Nichicon	330 µF	63 V	±20%	5000 Hrs	0.295" (7.50mm)	0.709" (18.00mm)	0.650" (16.50mm)	78 mOhms	Not For New Designs	Bulk
UPJ1J331MHD6TN	Nichicon	330 µF	63 V	±20%	5000 Hrs	0.295" (7.50mm)	0.709" (18.00mm)	0.650" (16.50mm)	78 mOhms	Not For New Designs	Cut Tape (CT)
UPM1J331MHD6	Nichicon	330 µF	63 V	±20%	5000 Hrs	0.295" (7.50mm)	0.709" (18.00mm)	0.669" (17.00mm)	50 mOhms	Not For New Designs	Bulk
UPW1J331MHD	Nichicon	330 µF	63 V	±20%	7000 Hrs	0.197" (5.00mm)	0.492" (12.50mm)	0.787" (20.00mm)	85 mOhms	Not For New Designs	Bulk
EEU-FC1J331	Panasonic Electronic Components	330 µF	63 V	±20%	5000 Hrs	0.197" (5.00mm)	0.492" (12.50mm)	0.787" (20.00mm)	85 mOhms	Active	Bulk
EEU-FC1J331B	Panasonic Electronic Components	330 µF	63 V	±20%	5000 Hrs	0.197" (5.00mm)	0.492" (12.50mm)	0.866" (22.00mm)	85 mOhms	Active	Cut Tape (CT)
ELXY630ELL331ML20S	Chemi-Con	330 µF	63 V	±20%	8000 Hrs	0.295" (7.50mm)	0.630" (16.00mm)	0.787" (20.00mm)	85 mOhms	Active	Bulk

Engineering Selection Recommendations

For Direct Replacement (Identical Footprint):

UPJ1J331MHD6TN is the direct equivalent, differing only in packaging format (Cut Tape vs. Bulk). Selection between these two depends solely on procurement and assembly requirements.

UPM1J331MHD6 maintains the same lead spacing and diameter as the UPJ1J331MHD6 with improved impedance performance (50 mOhms vs. 78 mOhms) and AEC-Q200 automotive qualification. Height variation (0.669" vs. 0.650") is minimal and typically accommodated in standard PCB layouts. This part is suitable for applications requiring enhanced electrical performance within the same physical footprint.

For Active Product Status:

EEU-FC1J331 (Panasonic) and ELXY630ELL331ML20S (Chemi-Con) are active products with current manufacturing support. Both carry AEC-Q200 automotive qualification and ROHS3 compliance. These parts require PCB layout verification due to different lead spacing (0.197" vs. 0.295") and physical dimensions. EEU-FC1J331 is recommended for applications where active product support and automotive-grade reliability are required.

ELXY630ELL331ML20S offers extended lifetime (8000 Hrs vs. 5000 Hrs at 105°C) and is suitable for applications with demanding thermal or operational longevity requirements.

For Extended Lifetime Applications:

UPW1J331MHD provides 7000-hour lifetime rating at 105°C, exceeding the UPJ1J331MHD6 specification. This part requires PCB layout modification due to different lead spacing and physical dimensions.

Frequently Asked Questions (FAQ)

Q: Can UPJ1J331MHD6TN be used as a direct drop-in replacement?

A: Yes. UPJ1J331MHD6TN is electrically and mechanically identical to UPJ1J331MHD6, with the only difference being packaging format (Cut Tape vs. Bulk). No PCB layout changes are required.

Q: What is the impact of using UPM1J331MHD6 instead of UPJ1J331MHD6?

A: UPM1J331MHD6 maintains identical lead spacing and diameter, requiring no PCB layout modification. The height difference (0.669" vs. 0.650") is 0.019 inches and does not typically affect component clearance. Impedance is lower (50 mOhms vs. 78 mOhms), providing improved high-frequency performance. AEC-Q200 qualification makes this part suitable for automotive applications.

Q: Why do EEU-FC1J331 and ELXY630ELL331ML20S require PCB layout verification?

A: These parts have different lead spacing (0.197" vs. 0.295") and physical dimensions compared to the UPJ1J331MHD6. PCB footprint modification is necessary to accommodate the different pin pitch and can size. Verify hole spacing and clearance before implementation.

Q: Is the UPJ1J331MHD6 suitable for new designs?

A: No. The UPJ1J331MHD6 is classified as Not For New Designs. For new applications, EEU-FC1J331 (Panasonic) or ELXY630ELL331ML20S (Chemi-Con) are recommended as active alternatives with current manufacturing support.

Q: What is the difference between Bulk and Cut Tape packaging?

A: Bulk packaging is supplied in loose quantities suitable for manual assembly or small-volume production. Cut Tape (CT) packaging provides components on continuous tape, optimized for automated pick-and-place assembly. Electrical and mechanical specifications are identical; selection depends on assembly process requirements.

Q: Can I use a substitute part with different physical dimensions?

A: Physical dimension changes require PCB layout verification and potential redesign. Lead spacing modifications necessitate footprint changes. Height variations may affect component clearance in confined spaces. Consult PCB design documentation before substitution.

Q: What does AEC-Q200 qualification indicate?

A: AEC-Q200 is an automotive industry standard qualification for passive components. Parts meeting this standard are validated for automotive applications, including temperature cycling, vibration, and reliability testing. This qualification is relevant for automotive or high-reliability applications.

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