UPJ1A331MPD1TD Equivalent & Substitute Parts

Part Overview

The UPJ1A331MPD1TD is a 330 µF, 10 V aluminum electrolytic capacitor in radial configuration manufactured by Nichicon. This component is classified as Not For New Designs, indicating it has been superseded in Nichicon's product portfolio. The part operates across a temperature range of -55°C to 105°C with a rated lifetime of 3000 hours at 105°C, making it suitable for general-purpose applications requiring stable capacitance and moderate ripple current handling.

Identifying equivalent and substitute parts is necessary due to the product's discontinued status for new designs. Alternatives are available from both Nichicon's active product lines and from competing manufacturers such as Würth Elektronik, offering improved performance characteristics, extended lifetimes, or higher voltage ratings while maintaining mechanical and electrical compatibility.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	10 V
Tolerance	±20%
Package Type	Radial, Can
Lead Spacing	0.138" (4.60 mm)
Case Diameter	0.315" (8.00 mm)
Height (Seated Max)	0.492" (12.50 mm)
Mounting Type	Through Hole
Operating Temperature	-55°C to 105°C
Lifetime @ 105°C	3000 Hours
Polarization	Polar
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the UPJ1A331MPD1TD is determined by the following criteria:

Primary Compatibility Requirements:

Capacitance: 330 µF (exact match required)
Tolerance: ±20% (exact match required)
Package: Radial, Can configuration
Lead Spacing: 0.138" (4.60 mm)
Case Diameter: 0.315" (8.00 mm)
Mounting: Through Hole
Operating Temperature Range: -55°C to 105°C minimum

Voltage Rating Substitution Logic:

Direct substitutes maintain 10 V rating (UPM1A331MPD1TD, UPW1A331MPD1TD, 860080274009)
Upgrade substitutes feature higher voltage ratings (16 V or 25 V), which are electrically compatible in 10 V applications and provide additional design margin
Lower voltage ratings are not acceptable substitutes

Performance Differentiation:

Impedance and ripple current specifications vary across manufacturers and series, affecting high-frequency performance
Lifetime ratings range from 3000 to 7000 hours at 105°C, with longer lifetimes available in Würth Elektronik's WCAP-ATLL series
ESR (Equivalent Series Resistance) values differ, with lower values indicating superior high-frequency performance

Product Status Consideration:

Active products (UPA1C331MPD1TD, UPA1E331MPD1TD, 860080274009, 860080374011, 860160274017, 860160374020) are recommended for new designs
Not For New Designs products (UPM1A331MPD1TD, UPW1A331MPD1TD, UPW1C331MPD1TA, UPW1C331MPD1TD) remain functionally equivalent but should be phased out in future revisions

Parameter Comparison

Part Number	Manufacturer	Series	Voltage (V)	Capacitance (µF)	Height (mm)	Impedance (mOhms)	Ripple Current @ 120 Hz (mA)	Lifetime @ 105°C (Hrs)	Product Status
UPJ1A331MPD1TD	Nichicon	UPJ	10	330	12.50	260	350	3000	Not For New Designs
UPM1A331MPD1TD	Nichicon	UPM	10	330	13.00	160	350	3000	Not For New Designs
UPW1A331MPD1TD	Nichicon	UPW	10	330	13.00	117	360.75	3000	Not For New Designs
UPA1C331MPD1TD	Nichicon	UPA	16	330	13.00	90	409.5	3000	Active
UPA1E331MPD1TD	Nichicon	UPA	25	330	13.00	90	409.5	3000	Active
UPW1C331MPD1TA	Nichicon	UPW	16	330	13.00	117	360.75	3000	Not For New Designs
UPW1C331MPD1TD	Nichicon	UPW	16	330	13.00	117	360.75	3000	Not For New Designs
860080274009	Würth Elektronik	WCAP-ATLI	10	330	13.00	110	540 @ 100 kHz	3000	Active
860080374011	Würth Elektronik	WCAP-ATLI	16	330	13.00	80	740 @ 100 kHz	3000	Active
860160274017	Würth Elektronik	WCAP-ATLL	10	330	13.00	450	285.36 @ 120 Hz	7000	Active
860160374020	Würth Elektronik	WCAP-ATLL	16	330	13.00	370	341.04 @ 120 Hz	4000	Active

Engineering Selection Recommendations

For Direct Replacement (10 V Rating): Select UPW1A331MPD1TD or 860080274009 for immediate drop-in compatibility. Both maintain the 10 V voltage specification and 330 µF capacitance. UPW1A331MPD1TD offers lower impedance (117 mOhms) compared to the original part (260 mOhms), improving high-frequency performance. The Würth Elektronik 860080274009 provides superior ripple current handling at high frequencies (540 mA @ 100 kHz) and is currently Active in production.

For Voltage Upgrade (16 V Rating): UPA1C331MPD1TD or UPW1C331MPD1TD are recommended for new designs requiring enhanced voltage margin. Both are mechanically compatible and electrically superior, with UPA1C331MPD1TD offering the lowest impedance (90 mOhms) and highest ripple current capacity (409.5 mA @ 120 Hz). UPA1C331MPD1TD carries Active product status, making it the preferred choice for new circuit designs.

For Extended Lifetime Applications: 860160274017 (10 V, 7000 Hrs @ 105°C) or 860160374020 (16 V, 4000 Hrs @ 105°C) from Würth Elektronik's WCAP-ATLL series provide significantly extended operational lifetimes. These parts are suitable for applications requiring enhanced reliability over extended service periods, though they exhibit higher impedance values.

Compliance Considerations: All substitute parts maintain ROHS3 compliance. Nichicon UPA series parts (UPA1C331MPD1TD, UPA1E331MPD1TD) carry REACH Affected status, while Würth Elektronik parts and most Nichicon alternatives are REACH Unaffected. Verify REACH compliance requirements for your specific application before final selection.

Frequently Asked Questions (FAQ)

Q: Can UPA1C331MPD1TD (16 V) be used in place of UPJ1A331MPD1TD (10 V)? A: Yes. The 16 V rating is electrically compatible in 10 V applications. Higher voltage-rated capacitors operate safely at lower voltages and provide additional design margin. Mechanical dimensions and lead spacing are identical, enabling direct board-level substitution.

Q: What is the difference between Nichicon UPW and UPA series? A: Both series maintain identical capacitance (330 µF) and tolerance (±20%). The UPA series features lower impedance (90 mOhms) and higher ripple current capacity (409.5 mA @ 120 Hz) compared to UPW (117 mOhms, 360.75 mA @ 120 Hz). UPA is the preferred choice for applications sensitive to ESR performance. UPA series carries Active product status, while UPW is Not For New Designs.

Q: Why does 860160274017 have higher impedance than the original part? A: The 860160274017 belongs to Würth Elektronik's WCAP-ATLL series, designed for extended lifetime (7000 Hrs @ 105°C) rather than optimized impedance performance. The higher impedance (450 mOhms) is a trade-off for significantly extended operational life. Select this part only if lifetime requirements justify the impedance penalty.

Q: Are there height differences between substitute parts? A: Yes. The original UPJ1A331MPD1TD has a seated height of 12.50 mm. All substitute parts measure 13.00 mm seated height, a 0.50 mm increase. Verify PCB clearance in your design before substitution. Lead spacing (4.60 mm) and case diameter (8.00 mm) remain constant across all parts.

Q: Which substitute offers the best high-frequency performance? A: UPA1C331MPD1TD and UPA1E331MPD1TD both feature the lowest impedance (90 mOhms) among Nichicon options. For high-frequency ripple current handling, 860080374011 (Würth Elektronik, 16 V) provides 740 mA @ 100 kHz, the highest among all listed substitutes. Selection depends on whether your application prioritizes impedance or ripple current capacity.

Q: Can I use UPA1E331MPD1TD (25 V) instead of the 10 V original part? A: Yes. The 25 V rating is electrically compatible in 10 V circuits and provides maximum voltage margin. Mechanical compatibility is identical. This upgrade is suitable for applications requiring enhanced reliability or future voltage specification changes.

Q: What packaging differences exist between substitutes? A: The original part and most substitutes use Cut Tape (CT) packaging. Würth Elektronik 860080274009 uses Tape & Box (TB) packaging, which may affect procurement and handling procedures. Verify packaging compatibility with your assembly process before selection.

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