Equivalent & Substitute Parts for T520X337M010ASE025

Part Overview

The T520X337M010ASE025 is a 330 µF molded tantalum polymer capacitor rated at 10 V, manufactured by KEMET in the KO-CAP® T520 series. This component is classified as obsolete, necessitating identification of active equivalent and substitute parts for ongoing design support and procurement. The part is housed in a 2917 (7343 Metric) surface mount package with an ESR of 25 mOhm @ 100 kHz and operates across a temperature range of -55°C to 105°C with a rated lifetime of 2000 hours at 105°C.

Substiute Parts

T520X337M010ASE025

KEMETIn Stock: 1148T520X337M010ASE025 Datasheet

Current PartRFQ

T520X337M010ATE025

KEMETIn Stock: 6420T520X337M010ATE025 Datasheet

DirectRFQ

T520Y337M010ATE025

KEMETIn Stock: 2420T520Y337M010ATE025 Datasheet

DirectRFQ

T520X337M010ATE010

KEMETIn Stock: 2442T520X337M010ATE010 Datasheet

SimilarRFQ

T520X337M010ATE040

KEMETIn Stock: 2222T520X337M010ATE040 Datasheet

SimilarRFQ

10TPE330M

Panasonic Electronic ComponentsIn Stock: 1842810TPE330M Datasheet

DirectRFQ

TCJD337M010R0025

KYOCERA AVXIn Stock: 2242TCJD337M010R0025 Datasheet

DirectRFQ

TCJD337M010R0025E

KYOCERA AVXIn Stock: 2679TCJD337M010R0025E Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the T520X337M010ASE025 is determined by strict equivalence across the following critical parameters: capacitance value (330 µF), voltage rating (10 V), package type (2917 / 7343 Metric), ESR specification (25 mOhm @ 100 kHz), operating temperature range (-55°C to 105°C), and compliance certifications (ROHS3, REACH Unaffected).

Substitute parts are grouped into two categories:

Direct Equivalents maintain identical electrical specifications and ESR values. These parts differ only in packaging format (Cut Tape, Digi-Reel, or Tape & Reel) or minor physical dimensions that do not affect circuit performance.

Similar Equivalents maintain identical capacitance, voltage, package, and temperature specifications but vary in ESR value. These parts are suitable for applications where the ESR specification is not a critical design constraint, provided the alternative ESR value remains within acceptable circuit operating parameters.

Parameter Comparison

Engineering Selection Recommendations

Primary Recommendation: T520X337M010ATE025

The T520X337M010ATE025 is the direct active equivalent manufactured by KEMET. It maintains identical electrical specifications (330 µF, 10 V, 25 mOhm ESR) and physical dimensions as the obsolete T520X337M010ASE025. This part is ROHS3 compliant and REACH unaffected. Selection of this part eliminates design re-qualification requirements and ensures seamless integration into existing assemblies.

Secondary Recommendation: 10TPE330M

The 10TPE330M, manufactured by Panasonic Electronic Components (POSCAP™ TPE series), provides electrical equivalence with identical capacitance, voltage, and ESR specifications. This part is ROHS3 compliant and REACH unaffected. The reduced seated height (0.157" vs. 0.169") may provide design flexibility in space-constrained applications. Cross-manufacturer qualification may be required depending on procurement and quality assurance protocols.

Tertiary Recommendation: TCJD337M010R0025E

The TCJD337M010R0025E, manufactured by KYOCERA AVX (TCJ series), maintains full electrical equivalence with 330 µF capacitance, 10 V rating, and 25 mOhm ESR. This part is ROHS3 compliant and REACH unaffected. The significantly reduced seated height (0.122") offers potential benefits for height-constrained PCB designs. Cross-manufacturer qualification may be required.

Alternative Consideration: T520X337M010ATE010 and T520X337M010ATE040

These KEMET parts maintain identical capacitance, voltage, and package specifications but feature reduced (10 mOhm) and increased (40 mOhm) ESR values respectively. Selection of these alternatives is appropriate only when circuit design specifications explicitly permit ESR variation and when the alternative ESR value has been validated against circuit performance requirements.

Frequently Asked Questions (FAQ)

Q: Can T520X337M010ATE025 be used as a direct replacement for T520X337M010ASE025?

A: Yes. The T520X337M010ATE025 is a direct equivalent. Both parts share identical electrical specifications (330 µF, 10 V, 25 mOhm ESR @ 100 kHz), operating temperature range (-55°C to 105°C), and package dimensions (2917 / 7343 Metric). The primary difference is product status: T520X337M010ASE025 is obsolete, while T520X337M010ATE025 is active. Packaging format differs (bulk vs. Cut Tape & Digi-Reel), but this does not affect component performance.

Q: What is the difference between T520X337M010ATE025 and T520Y337M010ATE025?

A: Both parts are manufactured by KEMET with identical electrical specifications. The primary difference is seated height: T520X337M010ATE025 has a maximum seated height of 0.169" (4.30 mm), while T520Y337M010ATE025 has a maximum seated height of 0.157" (4.00 mm). The reduced height variant (T520Y) may be selected for applications with vertical space constraints. Both parts are ROHS3 compliant and REACH unaffected.

Q: Are cross-manufacturer substitutes (Panasonic, KYOCERA AVX) acceptable?

A: Cross-manufacturer substitutes maintain identical electrical and mechanical specifications as the original part. The 10TPE330M (Panasonic) and TCJD337M010R0025E (KYOCERA AVX) both provide 330 µF capacitance, 10 V rating, and 25 mOhm ESR with full ROHS3 compliance. Acceptance of cross-manufacturer parts depends on procurement policies, quality assurance protocols, and design qualification requirements specific to your organization.

Q: What does ESR variation mean for circuit performance?

A: ESR (Equivalent Series Resistance) affects ripple current handling, voltage drop, and thermal performance. The T520X337M010ATE010 (10 mOhm) provides lower ESR, suitable for high-frequency, high-ripple-current applications. The T520X337M010ATE040 (40 mOhm) provides higher ESR and is suitable for general-purpose applications where ESR is not a critical constraint. Selection of alternative ESR values requires validation against specific circuit operating conditions.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed (T520X337M010ATE025, T520Y337M010ATE025, T520X337M010ATE010, T520X337M010ATE040, 10TPE330M, TCJD337M010R0025, and TCJD337M010R0025E) are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

Q: What is the significance of MSL (Moisture Sensitivity Level) rating?

A: MSL 3 indicates the component requires controlled storage and handling conditions. Storage at MSL 3 (168 Hours) means the component must be used within 168 hours of package opening under specified humidity conditions, or it must be re-baked according to IPC standards before use. All listed substitute parts carry MSL 3 rating and require adherence to the same moisture control protocols as the original part.

Q: Can packaging format (Cut Tape, Tape & Reel, Bulk) affect component selection?

A: Packaging format does not affect electrical or mechanical performance. Selection depends on manufacturing process requirements: Cut Tape & Digi-Reel formats are suitable for lower-volume or mixed-component assembly; Tape & Reel formats are optimized for high-volume automated assembly. Bulk packaging is typically used for inventory management. Verify packaging compatibility with your assembly equipment and procurement workflow.