Equivalent & Substitute Parts for UTT0J331MPD1TD

Part Overview

The UTT0J331MPD1TD is a 330 µF, 6.3 V aluminum electrolytic capacitor in radial, can package manufactured by Nichicon. This component is classified as obsolete, making identification of suitable alternatives essential for ongoing design support and production continuity. The part operates across a temperature range of -40°C to 105°C with a rated lifetime of 5000 hours at 105°C, serving general-purpose applications requiring stable capacitance and ripple current handling.

Key Parameters

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

Substitute Part Grouping Explanation

Substitution eligibility for the UTT0J331MPD1TD is determined by the following critical parameters:

Capacitance Value: 330 µF (exact match required)
Voltage Rating: Minimum 6.3 V (equal or higher acceptable)
Package Configuration: Radial, can format with through-hole mounting
Lead Spacing: 0.138" (4.60 mm) for PCB compatibility
Case Diameter: 0.315" (8.00 mm) for mechanical fit
Operating Temperature Range: -40°C to 105°C minimum
Tolerance: ±20%

Two substitute parts meet these criteria with varying performance characteristics:

UTS0J331MPD1TD (Nichicon, Active): Parametric equivalent with identical electrical specifications and mechanical dimensions. Differs in ripple current ratings and product status (active vs. obsolete).

ESL337M025AGMAA (KEMET, Active): Similar substitute with higher voltage rating (25 V), improved lifetime (10000 Hrs @ 105°C), and enhanced ripple current capacity. Exceeds mechanical envelope height (0.531" vs. 0.413").

Parameter Comparison

Parameter	UTT0J331MPD1TD (Main)	UTS0J331MPD1TD (Parametric Equivalent)	ESL337M025AGMAA (Similar)
Manufacturer	Nichicon	Nichicon	KEMET
Capacitance	330 µF	330 µF	330 µF
Voltage Rating	6.3 V	6.3 V	25 V
Tolerance	±20%	±20%	±20%
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)	0.531" (14.60 mm)
Operating Temperature	-40°C to 105°C	-40°C to 105°C	-40°C to 105°C
Lifetime @ 105°C	5000 Hrs	5000 Hrs	10000 Hrs
Ripple Current @ 120 Hz	138 mA	39 mA	482.5 mA
Ripple Current @ 100 kHz	230 mA	65 mA	965 mA
Product Status	Obsolete	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

UTS0J331MPD1TD is the primary substitute for direct replacement of UTT0J331MPD1TD. Both parts share identical electrical ratings, mechanical dimensions, and compliance certifications (ROHS3, REACH Unaffected). The UTS variant is currently in active production status, ensuring long-term availability and supply chain stability. This part is suitable for applications where the original specifications must be maintained without modification.

ESL337M025AGMAA serves as an alternative for applications requiring enhanced performance margins. The 25 V rating provides overvoltage protection in 6.3 V circuits, and the doubled lifetime (10000 Hrs vs. 5000 Hrs @ 105°C) extends component reliability. However, the increased height (0.531" vs. 0.413") requires PCB layout verification to confirm mechanical clearance. This part is appropriate for designs where space permits and improved reliability is prioritized.

Both substitute parts maintain ROHS3 compliance and REACH unaffected status, meeting regulatory requirements equivalent to the original component.

Frequently Asked Questions (FAQ)

Q: Can UTS0J331MPD1TD replace UTT0J331MPD1TD without PCB modification?

A: Yes. The UTS0J331MPD1TD is a parametric equivalent with identical lead spacing (0.138"), case diameter (0.315"), and height (0.413"). No PCB layout changes are required.

Q: What is the primary difference between UTS0J331MPD1TD and the original UTT0J331MPD1TD?

A: The UTS variant has lower ripple current ratings (39 mA @ 120 Hz vs. 138 mA; 65 mA @ 100 kHz vs. 230 mA) and is currently in active production, whereas the original is obsolete.

Q: Can ESL337M025AGMAA be used as a direct drop-in replacement?

A: ESL337M025AGMAA requires PCB layout verification due to increased height (0.531" vs. 0.413"). Lead spacing and case diameter are compatible, but vertical clearance must be confirmed before installation.

Q: Why does ESL337M025AGMAA have a higher voltage rating?

A: The 25 V rating is a design characteristic of the KEMET ESL series. In 6.3 V applications, this provides additional safety margin and does not affect circuit operation.

Q: Are all three parts RoHS and REACH compliant?

A: Yes. UTT0J331MPD1TD, UTS0J331MPD1TD, and ESL337M025AGMAA are all ROHS3 compliant and REACH unaffected.

Q: Which substitute should be selected for new designs?

A: UTS0J331MPD1TD is recommended for new designs requiring exact electrical and mechanical equivalence. ESL337M025AGMAA is suitable when enhanced lifetime and ripple current capacity provide design benefits and space constraints permit the increased height.

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