Equivalent & Substitute Parts for UTT1C331MPD1TA

Part Overview

The UTT1C331MPD1TA is a 330 µF, 16 V aluminum electrolytic capacitor in radial, can package manufactured by Nichicon. This component is classified as obsolete, making identification of active equivalent parts essential for ongoing design support and procurement continuity. The part is designed for general-purpose applications requiring stable capacitance performance across the operating temperature range of -40°C to 105°C with a rated lifetime of 5000 hours at 105°C.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	16 V
Tolerance	±20%
Package Type	Radial, Can
Lead Spacing	0.138" (4.60 mm)
Case Diameter	0.315" (8.00 mm)
Height (Seated Max)	0.413" (10.50 mm)
Mounting Type	Through Hole
Operating Temperature Range	-40°C to 105°C
Lifetime @ Temperature	5000 Hrs @ 105°C
Polarization	Polar
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the UTT1C331MPD1TA is determined by strict equivalence across the following parameters:

Capacitance value: 330 µF (exact match required)
Voltage rating: 16 V (exact match required)
Tolerance: ±20% (exact match required)
Package type: Radial, Can (exact match required)
Lead spacing: 0.138" (4.60 mm) (exact match required)
Case diameter: 0.315" (8.00 mm) (exact match required)
Height (seated max): 0.413" (10.50 mm) (exact match required)
Mounting type: Through Hole (exact match required)
Operating temperature range: -40°C to 105°C (exact match required)
Lifetime @ temperature: 5000 Hrs @ 105°C (exact match required)
Polarization: Polar (exact match required)
RoHS compliance: ROHS3 Compliant (exact match required)

The substitute parts listed below meet all these criteria and are manufactured by Nichicon, the original manufacturer.

Parameter Comparison

Parameter	UTT1C331MPD1TA (Main Part)	UTS1C331MPD1TA	UTS1C331MPD1TD
Manufacturer	Nichicon	Nichicon	Nichicon
Series	UTT	UTS	UTS
Product Status	Obsolete	Active	Active
Capacitance	330 µF	330 µF	330 µF
Voltage Rating	16 V	16 V	16 V
Tolerance	±20%	±20%	±20%
Operating Temperature Range	-40°C to 105°C	-40°C to 105°C	-40°C to 105°C
Lifetime @ Temperature	5000 Hrs @ 105°C	5000 Hrs @ 105°C	5000 Hrs @ 105°C
Polarization	Polar	Polar	Polar
Lead Spacing	0.138" (4.60 mm)	0.138" (4.60 mm)	0.138" (4.60 mm)
Case Diameter	0.315" (8.00 mm)	0.315" (8.00 mm)	0.315" (8.00 mm)
Height (Seated Max)	0.413" (10.50 mm)	0.413" (10.50 mm)	0.413" (10.50 mm)
Mounting Type	Through Hole	Through Hole	Through Hole
Package / Case	Radial, Can	Radial, Can	Radial, Can
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Ripple Current @ 120 Hz	138 mA	126 mA	126 mA
Ripple Current @ 100 kHz	230 mA	210 mA	210 mA

Engineering Selection Recommendations

Both UTS1C331MPD1TA and UTS1C331MPD1TD are active product alternatives to the obsolete UTT1C331MPD1TA. Both substitute parts are manufactured by Nichicon and maintain full parametric equivalence across all critical electrical and mechanical specifications. Both parts carry ROHS3 compliance certification and are suitable for direct replacement in applications originally designed for the UTT1C331MPD1TA.

Selection between the two active alternatives may be based on inventory availability. UTS1C331MPD1TD offers 941 pieces in stock compared to 854 pieces for UTS1C331MPD1TA.

Frequently Asked Questions (FAQ)

Q: Can UTS1C331MPD1TA and UTS1C331MPD1TD be used interchangeably with UTT1C331MPD1TA?

A: Yes. Both parts meet all parametric requirements for direct substitution, including capacitance, voltage rating, tolerance, package dimensions, lead spacing, operating temperature range, and lifetime specifications.

Q: Are there any differences between the two substitute parts?

A: UTS1C331MPD1TA and UTS1C331MPD1TD are electrically and mechanically identical. Both are from the active UTS series. The primary distinction is inventory availability.

Q: Will the substitute parts fit the same PCB footprint?

A: Yes. Both substitute parts maintain identical lead spacing (0.138" / 4.60 mm), case diameter (0.315" / 8.00 mm), and height (0.413" / 10.50 mm) specifications, ensuring compatibility with existing through-hole PCB layouts.

Q: What is the significance of the product status change from Obsolete to Active?

A: The transition from the obsolete UTT series to the active UTS series indicates that Nichicon has discontinued the original product line and replaced it with an updated equivalent. The UTS alternatives provide continued design support and procurement availability.

Q: Are compliance certifications maintained in the substitute parts?

A: Yes. Both substitute parts carry ROHS3 compliance certification, matching the original part's regulatory status.

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