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TACT476K010RTA Equivalent & Substitute Parts
Part Overview
The TACT476K010RTA is a 47 µF molded tantalum capacitor rated at 10 V, manufactured by KYOCERA AVX in the 1411 (3528 Metric) package. This component is classified as Active and complies with ROHS3 and REACH standards. Substitute parts are identified based on matching electrical specifications (capacitance, voltage rating, tolerance) and mechanical compatibility (package dimensions, mounting type). Alternative sources provide equivalent performance with variations in equivalent series resistance (ESR) and packaging formats.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Capacitance | 47 µF |
| Voltage Rating | 10 V |
| Tolerance | ±10% |
| Package / Case | 1411 (3528 Metric), 1210 |
| Mounting Type | Surface Mount |
| Type | Molded Tantalum |
| Operating Temperature Range | -55°C to 125°C |
| Moisture Sensitivity Level | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution eligibility is determined by strict equivalence in the following parameters:
- Capacitance: 47 µF (exact match required)
- Voltage Rating: 10 V (exact match required)
- Tolerance: ±10% (exact match required)
- Package / Case: 1411 (3528 Metric) (exact match required)
- Mounting Type: Surface Mount (exact match required)
- Type: Molded Tantalum (exact match required)
- Operating Temperature: -55°C to 125°C (exact match required)
- Compliance: ROHS3 Compliant, REACH Unaffected (exact match required)
Substitute parts may vary in:
- ESR (Equivalent Series Resistance): Ranges from 250 mΩ to 1.8 Ω
- Packaging Format: Cut Tape (CT), Digi-Reel®, or Tape & Reel (TR)
- Manufacturer: KYOCERA AVX or Vishay Sprague
- Height - Seated (Max): 1.20 mm (main part) to 2.11 mm (substitute parts)
Parameter Comparison
| Part Number | Manufacturer | Capacitance | Voltage | Tolerance | ESR | Package | Height (Max) | Packaging Format | RoHS Status |
|---|---|---|---|---|---|---|---|---|---|
| TACT476K010RTA | KYOCERA AVX | 47 µF | 10 V | ±10% | 1 Ω | 1411 (3528 Metric) | 0.047" (1.20 mm) | Tape & Reel (TR) | ROHS3 |
| TAJB476K010RNJ | KYOCERA AVX | 47 µF | 10 V | ±10% | 1 Ω | 1411 (3528 Metric) | 0.083" (2.10 mm) | Cut Tape (CT) & Digi-Reel® | ROHS3 |
| TPSB476K010R0250 | KYOCERA AVX | 47 µF | 10 V | ±10% | 250 mΩ | 1411 (3528 Metric) | 0.083" (2.10 mm) | Cut Tape (CT) & Digi-Reel® | ROHS3 |
| TPSB476K010R0350 | KYOCERA AVX | 47 µF | 10 V | ±10% | 350 mΩ | 1411 (3528 Metric) | 0.083" (2.10 mm) | Tape & Reel (TR) | ROHS3 |
| TPSB476K010R0500 | KYOCERA AVX | 47 µF | 10 V | ±10% | 500 mΩ | 1411 (3528 Metric) | 0.083" (2.10 mm) | Tape & Reel (TR) | ROHS3 |
| TPSB476K010R0650 | KYOCERA AVX | 47 µF | 10 V | ±10% | 650 mΩ | 1411 (3528 Metric) | 0.083" (2.10 mm) | Cut Tape (CT) & Digi-Reel® | ROHS3 |
| 293D476X9010B2TE3 | Vishay Sprague | 47 µF | 10 V | ±10% | 1.8 Ω | 1411 (3528 Metric) | 0.083" (2.11 mm) | Cut Tape (CT) & Digi-Reel® | ROHS3 |
| 593D476X9010B2TE3 | Vishay Sprague | 47 µF | 10 V | ±10% | 600 mΩ | 1411 (3528 Metric) | 0.083" (2.11 mm) | Tape & Reel (TR) | ROHS3 |
| TR3B476K010C0350 | Vishay Sprague | 47 µF | 10 V | ±10% | 350 mΩ | 1411 (3528 Metric) | 0.083" (2.11 mm) | Tape & Reel (TR) | ROHS3 |
| TR3B476K010C0500 | Vishay Sprague | 47 µF | 10 V | ±10% | 500 mΩ | 1411 (3528 Metric) | 0.083" (2.11 mm) | Tape & Reel (TR) | ROHS3 |
Engineering Selection Recommendations
All listed substitute parts maintain Active product status and ROHS3 compliance with REACH Unaffected designation, matching the regulatory requirements of the TACT476K010RTA. Selection among substitutes depends on application-specific ESR requirements and packaging format availability.
KYOCERA AVX substitutes (TAJ and TPS series) provide direct manufacturer alternatives with controlled ESR specifications ranging from 250 mΩ to 1 Ω. Vishay Sprague substitutes (293D, 593D, and TR3 series) offer equivalent electrical performance with ESR values from 350 mΩ to 1.8 Ω.
Height differences between the main part (1.20 mm) and substitute parts (2.10–2.11 mm) must be evaluated for PCB layout constraints. Packaging format selection (Cut Tape, Digi-Reel®, or Tape & Reel) is determined by assembly process requirements and inventory management practices.
Frequently Asked Questions (FAQ)
Q: Can TAJB476K010RNJ replace TACT476K010RTA directly?
A: Yes. Both parts share identical electrical specifications (47 µF, 10 V, ±10%, 1 Ω ESR) and package dimensions (1411/3528 Metric). The difference is packaging format (Cut Tape & Digi-Reel® versus Tape & Reel) and seated height (2.10 mm versus 1.20 mm). Verify PCB clearance for the increased height.
Q: What is the significance of ESR variation among substitutes?
A: ESR affects circuit performance in high-frequency applications and power dissipation. The main part specifies 1 Ω ESR. Substitutes range from 250 mΩ (lower ESR, better high-frequency performance) to 1.8 Ω (higher ESR). Select based on circuit requirements.
Q: Are Vishay Sprague parts compatible with KYOCERA AVX designs?
A: Yes. Vishay Sprague 293D, 593D, and TR3 series parts match all critical electrical and mechanical parameters. Height differences (2.11 mm versus 1.20 mm for the main part) require PCB layout verification.
Q: Does packaging format affect electrical performance?
A: No. Cut Tape, Digi-Reel®, and Tape & Reel formats are supply chain variations only. Electrical specifications remain identical within each part number.
Q: Are all substitutes ROHS3 compliant?
A: Yes. All listed substitute parts are ROHS3 Compliant and REACH Unaffected, matching the regulatory status of TACT476K010RTA.
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