UPJ2A331MHD Equivalent & Substitute Parts

Part Overview

The UPJ2A331MHD is a 330 µF, 100 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 This component is classified as Not For New Designs, indicating it has been superseded in the manufacturer's product line. Finding equivalent and substitute parts is necessary to maintain design flexibility, ensure supply chain continuity, and identify components with improved performance characteristics or active product status.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	100 V
Tolerance	±20%
Polarization	Polar
Package Type	Radial, Can
Mounting Type	Through Hole
Lead Spacing	0.295" (7.50 mm)
Operating Temperature Range	-55°C to 105°C
Lifetime @ 105°C	5000 Hrs
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

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

Capacitance: 330 µF (exact match required)
Voltage Rating: 100 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)
Lead Spacing: 0.295" (7.50 mm) (exact match required)
Operating Temperature Range: -55°C to 105°C (exact match required)

Substitute parts are grouped into the following categories:

Nichicon Series Variants (UPJ, UPM, UPS, UPW): Parts within the Nichicon product family that maintain identical electrical and mechanical specifications but differ in lifetime rating or application classification.

Cross-Manufacturer Equivalents (EPCOS/TDK, Chemi-Con, Panasonic): Parts from alternative manufacturers that meet all critical electrical and mechanical parameters while offering different product status, compliance certifications, or performance characteristics.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ 105°C	Impedance	Size Dia	Height (Max)	Product Status	Ratings
UPJ2A331MHD	Nichicon	330 µF	100 V	±20%	5000 Hrs	62 mOhms	0.630" (16.00 mm)	1.299" (33.00 mm)	Not For New Designs	—
UPJ2A331MHD6	Nichicon	330 µF	100 V	±20%	5000 Hrs	70 mOhms	0.709" (18.00 mm)	1.043" (26.50 mm)	Not For New Designs	—
UPM2A331MHD6	Nichicon	330 µF	100 V	±20%	5000 Hrs	70 mOhms	0.709" (18.00 mm)	1.063" (27.00 mm)	Not For New Designs	AEC-Q200
UPS2A331MHD	Nichicon	330 µF	100 V	±20%	3000 Hrs	90 mOhms	0.630" (16.00 mm)	1.063" (27.00 mm)	Not For New Designs	—
UPW2A331MHD	Nichicon	330 µF	100 V	±20%	8000 Hrs	90 mOhms	0.630" (16.00 mm)	0.984" (25.00 mm)	Not For New Designs	—
B41858D9337M000	EPCOS - TDK Electronics	330 µF	100 V	±20%	5000 Hrs	95 mOhms	0.709" (18.00 mm)	1.063" (27.00 mm)	Active	—
ELXV101ELL331MM25S	Chemi-Con	330 µF	100 V	±20%	5000 Hrs	70 mOhms	0.709" (18.00 mm)	1.043" (26.50 mm)	Active	AEC-Q200
EEU-FC2A331	Panasonic Electronic Components	330 µF	100 V	±20%	5000 Hrs	62 mOhms	0.630" (16.00 mm)	1.240" (31.50 mm)	Active	AEC-Q200
EEU-FC2A331S	Panasonic Electronic Components	330 µF	100 V	±20%	5000 Hrs	70 mOhms	0.709" (18.00 mm)	0.984" (25.00 mm)	Active	AEC-Q200
EEU-FC2A331SB	Panasonic Electronic Components	330 µF	100 V	±20%	5000 Hrs	70 mOhms	0.709" (18.00 mm)	1.063" (27.00 mm)	Active	AEC-Q200

Engineering Selection Recommendations

For General Purpose Applications: Select from Nichicon UPJ, UPS, or UPW series variants, or Panasonic EEU-FC2A331 series. All maintain identical electrical specifications and through-hole radial package compatibility. Panasonic EEU-FC2A331 and EEU-FC2A331S offer Active product status and AEC-Q200 certification, providing extended supply chain assurance.

For Automotive Applications: UPM2A331MHD6, ELXV101ELL331MM25S, EEU-FC2A331, EEU-FC2A331S, and EEU-FC2A331SB all carry AEC-Q200 ratings. ELXV101ELL331MM25S and Panasonic variants maintain Active product status, ensuring continued availability and support.

For Extended Lifetime Requirements: UPW2A331MHD provides 8000 Hrs @ 105°C, compared to the standard 5000 Hrs specification. This variant is suitable for applications requiring enhanced thermal endurance while maintaining identical electrical and mechanical parameters.

For Reduced Impedance: EEU-FC2A331 and UPJ2A331MHD both offer 62 mOhms impedance, the lowest among available substitutes. This characteristic is beneficial for high-ripple-current applications.

For Active Product Status: B41858D9337M000 (EPCOS/TDK), ELXV101ELL331MM25S (Chemi-Con), and all Panasonic EEU-FC variants are classified as Active products, ensuring long-term availability and manufacturer support.

Frequently Asked Questions (FAQ)

Q: Can UPJ2A331MHD be directly replaced with UPJ2A331MHD6? A: Yes. Both parts share identical electrical specifications (330 µF, 100 V, ±20%, 5000 Hrs @ 105°C) and through-hole radial package configuration. Physical dimensions differ slightly (UPJ2A331MHD6 is more compact), but lead spacing and mounting footprint remain compatible.

Q: What is the difference between Nichicon UPJ, UPM, UPS, and UPW series? A: These series differ in lifetime rating and application classification. UPJ and UPS are general-purpose; UPM is automotive-rated (AEC-Q200); UPW offers extended lifetime (8000 Hrs vs. 5000 Hrs). All maintain identical capacitance, voltage, and tolerance specifications.

Q: Are Panasonic EEU-FC2A331 variants suitable for automotive use? A: Yes. EEU-FC2A331, EEU-FC2A331S, and EEU-FC2A331SB all carry AEC-Q200 certification and are classified as Active products. They are qualified for automotive applications and offer superior supply chain continuity compared to Not For New Designs components.

Q: How do impedance differences affect component selection? A: Impedance values range from 62 mOhms to 95 mOhms across available substitutes. Lower impedance (62 mOhms) is preferable for high-ripple-current applications. Selection should be based on circuit requirements; all values are within acceptable range for general-purpose 330 µF, 100 V applications.

Q: What is the significance of AEC-Q200 certification? A: AEC-Q200 certification indicates the component meets automotive-grade reliability and qualification standards. Components bearing this rating (UPM2A331MHD6, ELXV101ELL331MM25S, EEU-FC variants) are suitable for automotive and mission-critical applications requiring enhanced reliability assurance.

Q: Can components with different physical dimensions be used interchangeably? A: Physical dimensions vary across substitutes while maintaining identical lead spacing (0.295", 7.50 mm) and through-hole mounting compatibility. PCB layout and mechanical clearance must be verified before substitution. Height and diameter differences may affect component placement in space-constrained designs.

Q: Why is product status important when selecting a substitute? A: Components classified as Not For New Designs face eventual discontinuation and supply uncertainty. Active-status components (B41858D9337M000, ELXV101ELL331MM25S, EEU-FC series) provide extended availability, manufacturer support, and long-term supply chain reliability.

Q: Is EEU-FC2A331SB different from EEU-FC2A331S? A: Both parts are electrically and mechanically identical (330 µF, 100 V, ±20%, 5000 Hrs @ 105°C, 70 mOhms, 0.709" Dia, AEC-Q200). The primary difference is packaging: EEU-FC2A331SB is supplied in Cut Tape (CT), while EEU-FC2A331S is supplied in Bulk. Selection depends on procurement and assembly requirements.

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