UPJ1J331MHD Equivalent & Substitute Parts

Part Overview

The UPJ1J331MHD is a 330 µF, 63 V aluminum electrolytic capacitor in radial, can package manufactured by Nichicon. This component is classified as not for new designs, indicating it has been superseded in Nichicon's product line. Finding equivalent and substitute parts is necessary for maintenance, repair, and legacy system support where original stock may be unavailable or depleted.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	63 V
Tolerance	±20%
Lifetime @ Temperature	5000 Hrs @ 105°C
Operating Temperature Range	-55°C ~ 105°C
Lead Spacing	0.197" (5.00mm)
Package Type	Radial, Can
Mounting Type	Through Hole
Polarization	Polar

Substitute Part Grouping Explanation

Substitution for the UPJ1J331MHD is determined by strict electrical and mechanical compatibility:

Primary Substitution Criteria:

Capacitance: 330 µF (exact match required)
Voltage Rating: 63 V (exact match required)
Tolerance: ±20% (exact match required)
Polarization: Polar (exact match required)
Package Type: Radial, Can (exact match required)
Mounting Type: Through Hole (exact match required)

Secondary Compatibility Factors:

Lead Spacing: 0.197" (5.00mm) preferred for direct PCB fit
Operating Temperature Range: -55°C ~ 105°C minimum
Lifetime @ Temperature: 5000 Hrs @ 105°C or greater

Substitutes are grouped into three categories:

Direct Substitutes (Same Series, Different Packaging): UPJ1J331MHD1TO differs only in packaging format (Cut Tape vs. Bulk), maintaining identical electrical specifications.
Similar Substitutes (Same Manufacturer, Different Series): UPJ1J331MHD6, UPM1J331MHD, UPM1J331MHD6, and UPS1J331MHD maintain core electrical parameters but vary in lead spacing, height, impedance, ripple current handling, and lifetime ratings.
Cross-Manufacturer Substitutes (Different Manufacturers): MAL214658331E3, MAL214668331E3, EEU-FC1J331, and EEU-FC1J331B from Vishay and Panasonic meet all primary electrical and mechanical criteria while offering enhanced temperature performance or active product status.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lead Spacing	Height (Max)	Lifetime @ Temp	Operating Temp	Impedance	Packaging	Product Status
UPJ1J331MHD	Nichicon	330 µF	63 V	±20%	0.197" (5.00mm)	1.043" (26.50mm)	5000 Hrs @ 105°C	-55°C ~ 105°C	72 mOhms	Bulk	Not For New Designs
UPJ1J331MHD1TO	Nichicon	330 µF	63 V	±20%	0.197" (5.00mm)	1.043" (26.50mm)	5000 Hrs @ 105°C	-55°C ~ 105°C	72 mOhms	Cut Tape	Not For New Designs
UPJ1J331MHD6	Nichicon	330 µF	63 V	±20%	0.295" (7.50mm)	0.650" (16.50mm)	5000 Hrs @ 105°C	-55°C ~ 105°C	78 mOhms	Bulk	Not For New Designs
UPM1J331MHD	Nichicon	330 µF	63 V	±20%	0.197" (5.00mm)	1.063" (27.00mm)	5000 Hrs @ 105°C	-55°C ~ 105°C	49 mOhms	Bulk	Not For New Designs
UPM1J331MHD6	Nichicon	330 µF	63 V	±20%	0.295" (7.50mm)	0.669" (17.00mm)	5000 Hrs @ 105°C	-55°C ~ 105°C	50 mOhms	Bulk	Not For New Designs
UPS1J331MHD	Nichicon	330 µF	63 V	±20%	0.197" (5.00mm)	0.866" (22.00mm)	3000 Hrs @ 105°C	-55°C ~ 105°C	120 mOhms	Bulk	Not For New Designs
UPW1J331MHD	Nichicon	330 µF	63 V	±20%	0.197" (5.00mm)	0.787" (20.00mm)	7000 Hrs @ 105°C	-55°C ~ 105°C	85 mOhms	Bulk	Not For New Designs
MAL214658331E3	Vishay	330 µF	63 V	±20%	0.197" (5.00mm)	1.063" (27.00mm)	5000 Hrs @ 125°C	-55°C ~ 125°C	76 mOhms	Bulk	Active
MAL214668331E3	Vishay	330 µF	63 V	±20%	0.197" (5.00mm)	1.063" (27.00mm)	5000 Hrs @ 125°C	-55°C ~ 125°C	76 mOhms	Bulk	Active
EEU-FC1J331	Panasonic	330 µF	63 V	±20%	0.197" (5.00mm)	0.787" (20.00mm)	5000 Hrs @ 105°C	-55°C ~ 105°C	85 mOhms	Bulk	Active
EEU-FC1J331B	Panasonic	330 µF	63 V	±20%	0.197" (5.00mm)	0.866" (22.00mm)	5000 Hrs @ 105°C	-55°C ~ 105°C	85 mOhms	Cut Tape	Active

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications): UPJ1J331MHD1TO is the direct equivalent, differing only in packaging format. Select this part if Cut Tape packaging is acceptable for your procurement and assembly process.

For Nichicon Series Continuity: UPM1J331MHD and UPM1J331MHD6 are Nichicon alternatives with AEC-Q200 automotive qualification. These parts offer lower impedance (49–50 mOhms vs. 72 mOhms) and are suitable for applications requiring automotive-grade reliability. Lead spacing differs on the MHD6 variant (7.50mm vs. 5.00mm), requiring PCB layout verification.

UPW1J331MHD provides extended lifetime (7000 Hrs @ 105°C vs. 5000 Hrs) within the Nichicon portfolio, supporting applications with higher reliability demands.

UPS1J331MHD is a lower-cost alternative with reduced lifetime (3000 Hrs @ 105°C) and higher impedance (120 mOhms). Use only where reduced lifetime is acceptable.

For Active Product Status and Enhanced Performance: MAL214658331E3 and MAL214668331E3 (Vishay) are active products with extended operating temperature range (-55°C ~ 125°C vs. -55°C ~ 105°C) and AEC-Q200 automotive qualification. These parts support higher-temperature applications and offer long-term availability.

EEU-FC1J331 and EEU-FC1J331B (Panasonic) are active products with AEC-Q200 automotive qualification. These parts match the UPJ1J331MHD electrical specifications and offer compact form factors (0.787" height for bulk, 0.866" for Cut Tape). Panasonic's active product status ensures continued supply and support.

Selection Priority:

For legacy system maintenance with identical specifications: UPJ1J331MHD1TO
For automotive or high-reliability applications: MAL214658331E3, MAL214668331E3, or EEU-FC1J331
For extended lifetime: UPW1J331MHD
For cost-sensitive applications with reduced lifetime tolerance: UPS1J331MHD

Frequently Asked Questions (FAQ)

Q: Can I substitute UPJ1J331MHD with UPJ1J331MHD6? A: Electrical substitution is possible (same capacitance, voltage, tolerance, lifetime). However, lead spacing differs (7.50mm vs. 5.00mm), and physical dimensions vary significantly. PCB layout verification is required before substitution.

Q: What is the difference between UPJ1J331MHD and UPM1J331MHD? A: Both are 330 µF, 63 V capacitors with identical electrical ratings. UPM1J331MHD features lower impedance (49 mOhms vs. 72 mOhms) and carries AEC-Q200 automotive qualification. Physical dimensions are nearly identical, making this a direct electrical upgrade.

Q: Are Panasonic EEU-FC1J331 and Vishay MAL214658331E3 true equivalents? A: Both meet all primary electrical and mechanical criteria (330 µF, 63 V, ±20%, 5000 Hrs @ 105°C, 0.197" lead spacing). Both carry AEC-Q200 automotive qualification. Panasonic and Vishay parts are active products with long-term availability, unlike the Nichicon UPJ series which is not for new designs.

Q: Does packaging format (Bulk vs. Cut Tape) affect electrical performance? A: No. Bulk and Cut Tape packaging contain identical components. Packaging selection depends on procurement, handling, and assembly process requirements. UPJ1J331MHD1TO (Cut Tape) and UPJ1J331MHD (Bulk) are electrically identical.

Q: Which substitute offers the best long-term availability? A: EEU-FC1J331 (Panasonic) and MAL214658331E3 (Vishay) are active products with manufacturer support and long-term supply commitments. Nichicon UPJ, UPM, UPS, and UPW series are all classified as not for new designs, indicating limited future availability.

Q: Can I use UPS1J331MHD as a cost reduction? A: UPS1J331MHD is electrically compatible but has reduced lifetime (3000 Hrs @ 105°C vs. 5000 Hrs) and higher impedance (120 mOhms vs. 72 mOhms). Use only in applications where reduced lifetime and higher impedance are acceptable.

Q: What does AEC-Q200 qualification mean? A: AEC-Q200 is an automotive industry standard for passive components. Parts with this rating (UPM1J331MHD, MAL214658331E3, EEU-FC1J331) meet stringent automotive reliability, temperature cycling, and quality requirements. These parts are suitable for automotive and high-reliability applications.

Q: Is operating temperature range important for substitution? A: Yes. Vishay MAL214658331E3 and MAL214668331E3 support -55°C ~ 125°C, while most Nichicon and Panasonic parts support -55°C ~ 105°C. If your application requires operation above 105°C, Vishay parts are required.

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