T591V337M2R5ATE025 Equivalent & Substitute Parts

Part Overview

The T591V337M2R5ATE025 is a 330 µF molded tantalum polymer capacitor rated at 2.5 V, manufactured by KEMET in the KO-CAP® T591 series. This surface mount component features a 2917 (7343 Metric) package with 25 mOhm equivalent series resistance at 100 kHz and operates across a temperature range of -55°C to 105°C with a 2000-hour lifetime rating at 105°C. The part is currently active in production and RoHS3 compliant. Substitute parts are identified when equivalent electrical specifications and mechanical dimensions are required for design flexibility, supply chain alternatives, or packaging format preferences.

Substiute Parts

T591V337M2R5ATE025

KEMETIn Stock: 742T591V337M2R5ATE025 Datasheet

Current PartRFQ

T520V337M2R5ATE025

KEMETIn Stock: 19469T520V337M2R5ATE025 Datasheet

DirectRFQ

T520W337M2R5ATE025

KEMETIn Stock: 3670T520W337M2R5ATE025 Datasheet

DirectRFQ

2R5TPE330M

Panasonic Electronic ComponentsIn Stock: 44582R5TPE330M Datasheet

Parametric EquivalentRFQ

TCJY337M002R0025E

KYOCERA AVXIn Stock: 7034TCJY337M002R0025E Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the T591V337M2R5ATE025 are classified based on electrical and mechanical compatibility. All identified substitutes maintain identical electrical specifications: 330 µF capacitance, 2.5 V rated voltage, 25 mOhm ESR at 100 kHz, and the same 2917 (7343 Metric) package footprint. The substitution logic is determined by the following criteria:

Direct Manufacturer Substitutes (KEMET): Parts T520V337M2R5ATE025 and T520W337M2R5ATE025 are KEMET alternatives within the KO-CAP® T520 series. These maintain all electrical parameters and package dimensions but differ in packaging format (Cut Tape & Digi-Reel® or Tape & Reel) and seated height specifications. The T520 series represents a design evolution with reduced maximum seated heights (1.90 mm and 1.50 mm respectively) compared to the T591 series (2.00 mm).

Parametric Equivalents (Cross-Manufacturer): Parts 2R5TPE330M (Panasonic POSCAP™ TPE series) and TCJY337M002R0025E (KYOCERA AVX TCJ series) provide electrical and dimensional equivalence across manufacturers. These parts match all critical electrical parameters and package specifications but originate from different manufacturers with distinct product series designations.

Parameter Comparison

Engineering Selection Recommendations

For Active Production Designs: T520V337M2R5ATE025 and T520W337M2R5ATE025 are preferred KEMET alternatives, both maintaining active product status. The T520V variant offers reduced seated height (1.90 mm) with Cut Tape & Digi-Reel® packaging, while T520W provides the lowest profile (1.50 mm) in Tape & Reel format. Both are suitable for new designs requiring space optimization within the 2917 package footprint.

For Cross-Manufacturer Flexibility: TCJY337M002R0025E (KYOCERA AVX TCJ series) maintains active product status with identical electrical and dimensional specifications, including 2.00 mm seated height matching the original T591V part. This option provides supply chain diversification from a qualified alternative manufacturer.

For Legacy or Constrained Applications: 2R5TPE330M (Panasonic POSCAP™ TPE series) provides electrical equivalence but carries "Not For New Designs" status. This part is suitable only for replacement or maintenance of existing assemblies where design changes are not feasible.

Compliance Considerations: All active-status substitutes (T520V337M2R5ATE025, T520W337M2R5ATE025, TCJY337M002R0025E) maintain RoHS3 compliance and REACH unaffected status, matching the original part's regulatory requirements.

Frequently Asked Questions (FAQ)

Q: Can T520V337M2R5ATE025 and T520W337M2R5ATE025 be used interchangeably with T591V337M2R5ATE025?

A: Yes, from an electrical standpoint. All three parts share identical capacitance (330 µF), voltage rating (2.5 V), ESR (25 mOhm @ 100 kHz), and package footprint (2917 / 7343 Metric). The primary differences are seated height and packaging format. T520W337M2R5ATE025 has the lowest profile (1.50 mm), followed by T520V337M2R5ATE025 (1.90 mm), and T591V337M2R5ATE025 (2.00 mm). Height compatibility must be verified against PCB assembly clearance requirements.

Q: What is the difference between "Direct Manufacturer Substitute" and "Parametric Equivalent"?

A: Direct manufacturer substitutes (T520 series parts) are from KEMET, the original manufacturer, representing product line evolution within the same company. Parametric equivalents (2R5TPE330M and TCJY337M002R0025E) are from different manufacturers (Panasonic and KYOCERA AVX respectively) but meet identical electrical and mechanical specifications. Both categories are electrically compatible; the choice depends on supply chain strategy and manufacturer preference.

Q: Why is 2R5TPE330M marked "Not For New Designs"?

A: This designation indicates that Panasonic has discontinued active development of the POSCAP™ TPE series for this value. The part remains available in inventory but is intended for replacement or maintenance applications only. For new product designs, TCJY337M002R0025E (KYOCERA AVX) or KEMET T520 series parts are recommended.

Q: Are there any height restrictions when substituting with T520W337M2R5ATE025?

A: T520W337M2R5ATE025 has a maximum seated height of 1.50 mm, compared to 2.00 mm for the original T591V337M2R5ATE025. This 0.50 mm reduction is beneficial for space-constrained designs. However, verify that the PCB assembly process and component placement equipment are compatible with the lower profile. No electrical performance change occurs with this height reduction.

Q: Do all substitute parts have the same moisture sensitivity level?

A: T591V337M2R5ATE025, T520V337M2R5ATE025, T520W337M2R5ATE025, and TCJY337M002R0025E all carry MSL 3 (168 Hours) rating. The 2R5TPE330M datasheet does not specify MSL rating in the provided data. For applications requiring documented MSL compliance, use parts with explicit MSL 3 designation.

Q: What packaging formats are available for these substitutes?

A: T591V337M2R5ATE025 is supplied in Tape & Reel (TR) format. T520V337M2R5ATE025 is available in Cut Tape (CT) & Digi-Reel® format. T520W337M2R5ATE025 is supplied in Tape & Reel (TR) format. Both 2R5TPE330M and TCJY337M002R0025E are supplied in Tape & Reel (TR) format. Packaging selection affects handling, storage, and automated assembly compatibility.

Q: Are all substitutes RoHS3 compliant?

A: Yes. T591V337M2R5ATE025, T520V337M2R5ATE025, T520W337M2R5ATE025, 2R5TPE330M, and TCJY337M002R0025E are all RoHS3 compliant. All parts are also REACH unaffected, meeting current environmental and regulatory requirements for commercial and industrial applications.