TAJS474K035RNJ Equivalent & Substitute Parts

Part Overview

The TAJS474K035RNJ is a 0.47 µF molded tantalum capacitor manufactured by KYOCERA AVX, rated for 35 V operation in a 1206 (3216 Metric) surface mount package. This component is classified as Active product status and is widely used in general-purpose applications requiring stable capacitance and low ESR characteristics. Substitute parts are necessary when the primary part becomes unavailable, when alternative packaging formats are required, or when specific ESR performance parameters must be optimized for circuit requirements.

Substiute Parts

TAJS474K035RNJ

KYOCERA AVXIn Stock: 1105TAJS474K035RNJ Datasheet

Current PartRFQ

TAJA474K035RNJ

KYOCERA AVXIn Stock: 3297TAJA474K035RNJ Datasheet

MFR RecommendedRFQ

293D474X9035A2TE3

Vishay SpragueIn Stock: 6707293D474X9035A2TE3 Datasheet

MFR RecommendedRFQ

593D474X9035A2TE3

Vishay SpragueIn Stock: 4793593D474X9035A2TE3 Datasheet

MFR RecommendedRFQ

T491A474K035AH

KEMETIn Stock: 2987T491A474K035AH Datasheet

MFR RecommendedRFQ

T491A474K035AT

KEMETIn Stock: 1440T491A474K035AT Datasheet

MFR RecommendedRFQ

TR3A474K035C4000

Vishay SpragueIn Stock: 3804TR3A474K035C4000 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the TAJS474K035RNJ is determined by strict adherence to the following electrical and mechanical parameters:

• Capacitance Value: Must be 0.47 µF (no tolerance variation)
• Voltage Rating: Must be 35 V or higher
• Tolerance: Must be ±10%
• Package / Case: Must be 1206 (3216 Metric)
• Mounting Type: Must be Surface Mount
• Operating Temperature Range: Must support -55°C to 125°C minimum
• Type: Must be Molded Tantalum
• Moisture Sensitivity Level: Must be 1 (Unlimited)

ESR (Equivalent Series Resistance) values may vary between substitute parts (ranging from 4Ohm to 12Ohm) without affecting substitution eligibility, as this parameter is application-dependent and does not prevent functional equivalence. Packaging format (Tape & Reel vs. Cut Tape & Digi-Reel) does not affect electrical substitution but may impact procurement and assembly workflows.

Parameter Comparison

Engineering Selection Recommendations

All listed substitute parts meet the core electrical and mechanical requirements for direct substitution with TAJS474K035RNJ. Selection should be based on the following criteria:

ROHS3 Compliance Priority: TAJA474K035RNJ, 293D474X9035A2TE3, 593D474X9035A2TE3, T491A474K035AT, and TR3A474K035C4000 are ROHS3 compliant. T491A474K035AH is RoHS non-compliant and should be selected only when legacy design requirements or specific application constraints mandate its use.

ESR Optimization: Parts with lower ESR values (593D474X9035A2TE3 and TR3A474K035C4000 at 4Ohm) are suitable for applications requiring reduced impedance. Parts with 10Ohm to 12Ohm ESR (TAJA474K035RNJ, T491A474K035AH, T491A474K035AT) are appropriate for general-purpose applications.

Packaging Format: TAJA474K035RNJ, 593D474X9035A2TE3, and TR3A474K035C4000 are available in Cut Tape & Digi-Reel format for applications requiring flexible procurement. Tape & Reel format parts (293D474X9035A2TE3, T491A474K035AH, T491A474K035AT) are standard for high-volume assembly.

Manufacturer Availability: KYOCERA AVX (TAJA474K035RNJ), Vishay Sprague (293D474X9035A2TE3, 593D474X9035A2TE3, TR3A474K035C4000), and KEMET (T491A474K035AH, T491A474K035AT) all maintain active product status with documented inventory levels.

Frequently Asked Questions (FAQ)

Q: Can TAJA474K035RNJ be used as a direct replacement for TAJS474K035RNJ?

A: Yes. Both parts are manufactured by KYOCERA AVX with identical electrical specifications (0.47 µF, 35 V, ±10%, 12Ohm ESR, -55°C to 125°C). The primary difference is packaging format: TAJS474K035RNJ uses Tape & Reel, while TAJA474K035RNJ uses Cut Tape & Digi-Reel. Electrical performance and PCB footprint compatibility are identical.

Q: What is the significance of ESR variation among substitute parts?

A: ESR (Equivalent Series Resistance) affects impedance characteristics and ripple current handling. Lower ESR values (4Ohm) reduce heat generation and are preferred in high-frequency or high-current applications. Higher ESR values (12Ohm) are acceptable for general-purpose filtering. All listed parts meet the 35 V, 0.47 µF specification regardless of ESR variation.

Q: Are KEMET T491A series parts fully compatible with KYOCERA AVX TAJ series?

A: Electrical compatibility is confirmed for T491A474K035AT (ROHS3 compliant) and T491A474K035AH (RoHS non-compliant). Both maintain 0.47 µF, 35 V, ±10%, 1206 package, and -55°C to 125°C operating range. Compliance status differs: T491A474K035AT is ROHS3 compliant, while T491A474K035AH is not. Verify compliance requirements before selection.

Q: Can Vishay Sprague 293D and 593D series parts replace KYOCERA AVX TAJ series?

A: Yes. All Vishay Sprague TANTAMOUNT™ parts listed (293D474X9035A2TE3, 593D474X9035A2TE3, TR3A474K035C4000) meet electrical and mechanical specifications. ESR values differ (10Ohm for 293D series, 4Ohm for 593D and TR3 series), but all are within acceptable ranges for 0.47 µF, 35 V applications. All are ROHS3 compliant.

Q: What packaging format should be selected for high-volume production?

A: Tape & Reel (TR) format is standard for automated assembly lines. Cut Tape & Digi-Reel format provides flexibility for lower-volume or mixed-component orders. Electrical performance is identical; selection depends on procurement and assembly workflow requirements.

Q: Are all substitute parts rated for -55°C to 125°C operation?

A: Yes. All listed substitute parts support the full -55°C to 125°C operating temperature range. KEMET T491A series parts specify 2000 Hrs @ 125°C lifetime rating; other manufacturers do not provide explicit lifetime data in the provided specifications.