TVX2A331MCD Equivalent & Substitute Parts

Part Overview

The TVX2A331MCD is a 330 µF, 100 V aluminum electrolytic capacitor in axial, can package manufactured by Nichicon. This component is classified as obsolete, making equivalent substitutes necessary for ongoing production and maintenance applications. The part is designed for general-purpose applications requiring stable capacitance and reliable performance across industrial temperature ranges.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	100 V
Tolerance	±20%
Package Type	Axial, Can
Mounting Type	Through Hole
Operating Temperature	-40°C ~ 85°C
Lifetime @ 85°C	2000 Hrs
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the TVX2A331MCD is determined by strict equivalence across the following parameters:

Capacitance: 330 µF (exact match required)
Voltage Rating: 100 V (exact match required)
Tolerance: ±20% (exact match required)
Package Type: Axial, Can (exact match required)
Mounting Type: Through Hole (exact match required)
Operating Temperature Range: -40°C ~ 85°C (exact match required)
RoHS Compliance: ROHS3 Compliant (required for regulatory alignment)

The identified substitutes meet all mandatory electrical and mechanical parameters. Variations in ESR, ripple current specifications, physical dimensions, and lifetime ratings are secondary considerations that do not disqualify parts from functional equivalence within the specified parameter set.

Parameter Comparison

Parameter	TVX2A331MCD (Nichicon)	337TTA100M (Cornell Dubilier)	MAL202119331E3 (Vishay)
Capacitance	330 µF	330 µF	330 µF
Voltage Rating	100 V	100 V	100 V
Tolerance	±20%	±20%	±20%
Package Type	Axial, Can	Axial, Can	Axial, Can
Mounting Type	Through Hole	Through Hole	Through Hole
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
ESR @ 120 Hz	Not specified	502.4 mOhm	420 mOhm
Lifetime @ 85°C	2000 Hrs	2000 Hrs	8000 Hrs
Size / Dimension	0.512" Dia x 1.319" L (13.00mm x 34.60mm)	0.512" Dia x 1.220" L (13.00mm x 31.00mm)	0.591" Dia x 1.181" L (15.00mm x 30.00mm)
Product Status	Obsolete	Active	Active

Engineering Selection Recommendations

Both 337TTA100M and MAL202119331E3 are functionally equivalent substitutes for the obsolete TVX2A331MCD based on core electrical and mechanical parameters. Selection between these alternatives should be based on:

Product Status: Both substitute parts are active products with current manufacturing support, ensuring long-term availability.
Regulatory Compliance: All three parts maintain ROHS3 compliance and REACH unaffected status, meeting environmental and regulatory requirements.
Physical Fit: The 337TTA100M maintains identical diameter (0.512") and closer length match (1.220" vs. 1.319"), making it the preferred choice for space-constrained applications. The MAL202119331E3 has a larger diameter (0.591") and may require PCB layout verification.
Performance Characteristics: The MAL202119331E3 offers extended lifetime (8000 Hrs @ 85°C vs. 2000 Hrs) and lower ESR (420 mOhm), providing enhanced reliability for demanding applications.

Frequently Asked Questions (FAQ)

Q: Can 337TTA100M and MAL202119331E3 be used interchangeably with TVX2A331MCD?

A: Both parts meet the mandatory electrical parameters (330 µF, 100 V, ±20% tolerance) and mechanical requirements (axial, can package, through-hole mounting). Physical dimensions differ slightly; verify PCB layout compatibility before substitution.

Q: What is the primary reason for substituting the TVX2A331MCD?

A: The TVX2A331MCD is classified as obsolete. The identified substitutes are active products with current manufacturing support and guaranteed availability.

Q: Are there any compliance concerns with these substitutes?

A: No. All three parts are ROHS3 compliant and REACH unaffected, meeting current regulatory standards.

Q: How do ESR and lifetime differences affect part selection?

A: ESR and lifetime are secondary performance characteristics. The 337TTA100M matches the original lifetime specification (2000 Hrs @ 85°C), while the MAL202119331E3 provides extended lifetime (8000 Hrs @ 85°C) and lower ESR for applications requiring enhanced reliability.

Q: Will physical dimension differences cause installation issues?

A: The 337TTA100M has identical diameter and minimal length difference (0.099" shorter), making it a direct fit replacement. The MAL202119331E3 has a larger diameter (0.591" vs. 0.512") and requires PCB layout verification to ensure clearance.

Q: What is the operating temperature range for these substitutes?

A: All three parts operate across -40°C to 85°C, matching the original specification.

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