Equivalent & Substitute Parts for 2.5SWZ330MR09

Part Overview

The Rubycon 2.5SWZ330MR09 is a 330 µF, 2.5 V aluminum polymer capacitor in 2917 (7343 Metric) surface mount package. This part is classified as obsolete, making identification of suitable alternatives essential for ongoing production and maintenance applications. The component is designed for general-purpose use in low-voltage circuits requiring stable capacitance and low equivalent series resistance.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	2.5 V
Tolerance	±20%
Type	Aluminum Polymer
ESR (Equivalent Series Resistance)	9 mOhm
Lifetime @ Temperature	2000 Hrs @ 105°C
Operating Temperature Range	-55°C to 105°C
Package / Case	2917 (7343 Metric)
Mounting Type	Surface Mount
Ripple Current @ 100 kHz	3 A

Substitute Part Grouping Explanation

Substitution for the 2.5SWZ330MR09 is determined by strict equivalence across the following critical parameters:

Capacitance value: 330 µF (exact match required)
Voltage rating: 2.5 V (exact match required)
Tolerance: ±20% (exact match required)
Package / Case: 2917 (7343 Metric) (exact match required)
Type: Aluminum Polymer (exact match required)
ESR: 9 mOhm (exact match required)
Lifetime @ Temperature: 2000 Hrs @ 105°C (exact match required)
Operating Temperature Range: -55°C to 105°C (exact match required)
Mounting Type: Surface Mount (exact match required)

Two substitute parts meet these criteria and are identified as direct equivalents or parametric equivalents based on manufacturer specifications.

Parameter Comparison

Parameter	2.5SWZ330MR09 (Rubycon)	EEF-SX0E331ER (Panasonic)	MPL337M0EG19TRX0 (Manyue)
Capacitance	330 µF	330 µF	330 µF
Voltage Rating	2.5 V	2.5 V	2.5 V
Tolerance	±20%	±20%	±20%
Type	Aluminum Polymer	Aluminum Polymer	Aluminum Polymer
ESR @ 100 kHz	9 mOhm	9 mOhm	9 mOhm
Lifetime @ 105°C	2000 Hrs	2000 Hrs	2000 Hrs
Operating Temperature	-55°C to 105°C	-55°C to 105°C	-55°C to 105°C
Package / Case	2917 (7343 Metric)	2917 (7343 Metric)	2917 (7343 Metric)
Height - Seated (Max)	0.075" (1.90 mm)	0.079" (2.00 mm)	0.075" (1.90 mm)
Ripple Current @ 100 kHz	3 A	6.3 A	Not specified
Product Status	Obsolete	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

Both substitute parts are functionally equivalent to the 2.5SWZ330MR09 across all critical electrical and mechanical parameters. Selection between alternatives should be based on the following factors:

EEF-SX0E331ER (Panasonic Electronic Components): This part carries active product status and is available in high volume (19,582 pcs in stock). It meets all electrical specifications and compliance requirements. The seated height is 0.079" (2.00 mm), which is 0.004" taller than the original part. The ripple current rating of 6.3 A @ 100 kHz exceeds the original specification. This part is supplied in Tape & Reel packaging.

MPL337M0EG19TRX0 (Manyue): This part also carries active product status with moderate availability (3,881 pcs in stock). It matches the original seated height of 0.075" (1.90 mm) and all electrical specifications. This part is supplied in Tape & Reel packaging.

Both parts are ROHS3 compliant and REACH unaffected, meeting regulatory requirements equivalent to the original component.

Frequently Asked Questions (FAQ)

Q: Can EEF-SX0E331ER be used as a direct replacement for 2.5SWZ330MR09?

A: Yes. The EEF-SX0E331ER meets all critical electrical parameters: 330 µF capacitance, 2.5 V rating, ±20% tolerance, 9 mOhm ESR, 2000 Hrs @ 105°C lifetime, and 2917 (7343 Metric) package. The seated height difference of 0.004" (0.10 mm) must be verified against PCB clearance requirements for your specific application.

Q: Can MPL337M0EG19TRX0 be used as a direct replacement for 2.5SWZ330MR09?

A: Yes. The MPL337M0EG19TRX0 meets all critical electrical parameters and maintains the original seated height of 0.075" (1.90 mm), making it a direct mechanical and electrical equivalent.

Q: What is the significance of the ripple current difference between the original part and EEF-SX0E331ER?

A: The EEF-SX0E331ER has a ripple current rating of 6.3 A @ 100 kHz, compared to 3 A @ 100 kHz for the original 2.5SWZ330MR09. This higher rating indicates improved thermal performance and does not create compatibility issues. The substitute can handle equal or greater ripple current without degradation.

Q: Are both substitute parts available in the same packaging format as the original?

A: Both EEF-SX0E331ER and MPL337M0EG19TRX0 are supplied in Tape & Reel (TR) packaging, which is standard for surface mount production. The original part packaging information was not specified in the provided data.

Q: Do the substitute parts meet the same compliance standards as the original?

A: Yes. Both substitute parts are ROHS3 compliant and REACH unaffected, matching the regulatory status of the 2.5SWZ330MR09.

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