Equivalent & Substitute Parts for UTT0J331MPD

Part Overview

The UTT0J331MPD is a 330 µF, 6.3 V aluminum electrolytic capacitor in radial through-hole configuration manufactured by Nichicon. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing production and maintenance applications. The part delivers 5000 hours of operational life at 105°C and is suitable for general-purpose applications requiring stable capacitance and low impedance characteristics.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	6.3 V
Tolerance	±20%
Lifetime @ 105°C	5000 Hrs
Operating Temperature Range	-40°C ~ 105°C
Mounting Type	Through Hole
Package Type	Radial, Can
Lead Spacing	0.138" (4.60mm)
Case Diameter	0.315" (8.00mm)
Height	0.354" (9.00mm)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the UTT0J331MPD is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

Capacitance: 330 µF (exact match required)
Voltage Rating: 6.3 V (exact match required)
Tolerance: ±20% (exact match required)
Mounting Type: Through Hole (exact match required)
Package Type: Radial, Can (exact match required)
Lead Spacing: 0.138" (4.60mm) (exact match required)
Case Diameter: 0.315" (8.00mm) (exact match required)

Secondary Compatibility Parameters:

Operating Temperature Range: -40°C ~ 105°C minimum
RoHS3 Compliance: Required
Lifetime @ 105°C: 5000 hours or greater preferred

Parts meeting all primary criteria are classified as direct equivalents. Parts meeting primary electrical criteria but differing in mechanical dimensions, lead spacing, or case size are classified as similar alternatives requiring board-level verification.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lead Spacing	Case Diameter	Height	Lifetime @ 105°C	Product Status	RoHS3
UTT0J331MPD	Nichicon	330 µF	6.3 V	±20%	0.138" (4.60mm)	0.315" (8.00mm)	0.354" (9.00mm)	5000 Hrs	Obsolete	Yes
UPW1A331MPD	Nichicon	330 µF	10 V	±20%	0.138" (4.60mm)	0.315" (8.00mm)	0.453" (11.50mm)	3000 Hrs	Not For New Designs	Yes
UCW0J331MCL1GS	Nichicon	330 µF	6.3 V	±20%	N/A (SMD)	0.248" (6.30mm)	0.354" (9.00mm)	7000 Hrs	Active	Yes
UHD0J331MED	Nichicon	330 µF	6.3 V	±20%	0.098" (2.50mm)	0.248" (6.30mm)	0.492" (12.50mm)	2000 Hrs	Obsolete	Yes
UHE0J331MED	Nichicon	330 µF	6.3 V	±20%	0.098" (2.50mm)	0.248" (6.30mm)	0.433" (11.00mm)	4000 Hrs	Obsolete	Yes
UHV1C331MPD	Nichicon	330 µF	16 V	±20%	0.138" (4.60mm)	0.315" (8.00mm)	0.512" (13.00mm)	6000 Hrs	Not For New Designs	Yes
EEU-FM0J331	Panasonic	330 µF	6.3 V	±20%	0.098" (2.50mm)	0.248" (6.30mm)	0.500" (12.70mm)	2000 Hrs	Active	Yes
EEU-FR0J331	Panasonic	330 µF	6.3 V	±20%	0.098" (2.50mm)	0.248" (6.30mm)	0.500" (12.70mm)	5000 Hrs	Active	Yes
EEU-FR0J331B	Panasonic	330 µF	6.3 V	±20%	0.197" (5.00mm)	0.248" (6.30mm)	0.500" (12.70mm)	5000 Hrs	Active	Yes
EKZE6R3ELL331MF11D	Chemi-Con	330 µF	6.3 V	±20%	0.098" (2.50mm)	0.248" (6.30mm)	0.433" (11.00mm)	2000 Hrs	Active	Yes

Engineering Selection Recommendations

Direct Electrical Equivalents (Same Capacitance, Voltage, Tolerance):

Parts matching the UTT0J331MPD in capacitance (330 µF), voltage rating (6.3 V), and tolerance (±20%) are electrically equivalent. However, mechanical compatibility must be verified before selection.

Nichicon UHD0J331MED and UHE0J331MED: Both are Nichicon products with matching electrical specifications and obsolete status. These parts feature reduced lead spacing (0.098" vs. 0.138") and smaller case diameter (0.248" vs. 0.315"), requiring PCB layout verification. UHE0J331MED provides superior lifetime (4000 hours vs. 2000 hours at 105°C).

Panasonic EEU-FR0J331 and EEU-FR0J331B: Active product status from Panasonic with identical electrical specifications and 5000-hour lifetime matching the original part. Both feature 0.098" lead spacing and 0.248" case diameter. EEU-FR0J331B uses 0.197" lead spacing, requiring board-level compatibility assessment.

Panasonic EEU-FM0J331: Active Panasonic alternative with matching electrical specifications but reduced lifetime (2000 hours at 105°C). Suitable for applications with lower thermal stress requirements.

Chemi-Con EKZE6R3ELL331MF11D: Active product with matching electrical specifications and 2000-hour lifetime. Reduced lead spacing and case diameter require PCB verification.

Higher Voltage Alternatives (Derating Application):

Nichicon UPW1A331MPD: 10 V rating provides voltage derating margin for 6.3 V applications. Identical lead spacing and case diameter to the original part enable direct PCB mounting. Product status is "Not For New Designs," limiting suitability for new development. Lifetime is reduced to 3000 hours at 105°C.

Nichicon UHV1C331MPD: 16 V rating with superior 6000-hour lifetime at 105°C. Identical lead spacing (0.138") and case diameter (0.315") to the original part. Increased height (0.512" vs. 0.354") requires clearance verification. Product status is "Not For New Designs."

Surface Mount Alternative:

Nichicon UCW0J331MCL1GS: Surface-mount variant with matching electrical specifications and extended 7000-hour lifetime. Not suitable for through-hole applications without adapter components.

Frequently Asked Questions (FAQ)

Q: Can I use a higher voltage-rated capacitor as a substitute?

A: Yes. A capacitor rated for higher voltage (10 V or 16 V) can replace a 6.3 V capacitor in the same application, providing voltage derating margin. However, physical dimensions must match the PCB layout. UPW1A331MPD (10 V) and UHV1C331MPD (16 V) maintain the original lead spacing and case diameter but differ in height.

Q: What is the impact of different lead spacing on substitution?

A: Lead spacing determines PCB hole positioning. The original UTT0J331MPD uses 0.138" (4.60mm) spacing. Parts with 0.098" (2.50mm) or 0.197" (5.00mm) spacing require PCB redesign or adapter components. Direct mechanical compatibility exists only with parts matching 0.138" spacing.

Q: Are Panasonic and Chemi-Con parts fully compatible with Nichicon specifications?

A: Panasonic EEU-FR series and Chemi-Con EKZE series match the electrical specifications (330 µF, 6.3 V, ±20%) and RoHS3 compliance of the original part. Mechanical dimensions differ, requiring PCB layout verification. Both manufacturers provide equivalent performance in general-purpose applications.

Q: Why do some substitutes have different lifetimes?

A: Lifetime at 105°C is determined by capacitor design and internal construction. The original UTT0J331MPD specifies 5000 hours. Panasonic EEU-FR0J331 and EEU-FR0J331B match this specification. Other alternatives (UHD0J331MED, EEU-FM0J331, EKZE6R3ELL331MF11D) provide 2000 hours, suitable for lower thermal stress applications.

Q: Can I use the surface-mount UCW0J331MCL1GS in a through-hole design?

A: No. UCW0J331MCL1GS is a surface-mount component requiring SMD soldering and PCB pads. It cannot be directly installed in through-hole applications without mechanical adaptation.

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

A: Parts marked "Not For New Designs" (UPW1A331MPD, UHV1C331MPD) are available for existing product support and maintenance but are not recommended for new development. Active products (EEU-FR0J331, EEU-FR0J331B, EKZE6R3ELL331MF11D) are preferred for new designs.

Q: How do I verify mechanical compatibility before substitution?

A: Compare lead spacing, case diameter, and height against your PCB layout. The original part uses 0.138" lead spacing, 0.315" case diameter, and 0.354" height. Any deviation requires PCB hole repositioning or clearance assessment for nearby components.

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