May 28, 2025
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In the rapidly evolving medical electronics sector, the demand for compact, high-reliability components like the TM3C476K6R3CBA molded tantalum capacitor is surging. Manufactured by Vishay Sprague under the TANTAMOUNT™ series, this 47 µF/6.3 VDC surface-mount capacitor combines low ESR (1.4 Ω) and a wide temperature range (-55°C to +125°C), making it ideal for critical medical instrumentation. With ISO 13485-certified production and compliance with medical standards, this component ensures performance where failure is not an option. Read on to discover how this capacitor addresses modern design challenges.
The TM3C476K6R3CBA is a solid tantalum surface-mount capacitor in a compact 2312 (6032 metric) package. Key features include:
Medical-Grade Reliability: Certified for non-life support medical applications (ISO 13485).
Robust Performance: 1.4 Ω ESR, 280 mA ripple current, and 10% capacitance tolerance.
Environmental Resilience: Operates from -55°C to +125°C (per Vishay datasheet).
Compliant Terminations: 100% matte tin/tin-lead, dry-packed per J-STD-033.
| Parameter | Value | Standard |
|---|---|---|
| Capacitance | 47 µF | ±10% tolerance |
| Voltage Rating | 6.3 VDC | IEC 60384-3 |
| ESR | 1.4 Ω | @ 100 kHz, 25°C |
| Temperature Range | -55°C to +125°C | Vishay datasheet |
| Ripple Current | 280 mA | @ 125°C, 100 kHz |
When choosing the TM3C476K6R3CBA:
Voltage Derating: Apply 50% derating (e.g., use ≤3.15 V for 6.3 V rating) to enhance longevity.
ESR Considerations: Verify ESR matches your circuit’s switching frequency requirements.
Thermal Management: Ensure PCB layout accommodates heat dissipation (2.5 mm height).
Alternatives: For higher voltages, consider Vishay’s TMx series with 10 V/16 V ratings.
Portable Medical Devices: ECG monitors, infusion pumps (low leakage current: 2.8 µA).
Implantable Electronics: Non-life support systems requiring high reliability.
Power Supplies: Filtering in DC/DC converters (280 mA ripple current capability).
The global medical electronics market, projected to grow at 6.8% CAGR (2023–2030), drives demand for components like the TM3C476K6R3CBA. Key trends:
Miniaturization: 6032 metric (6.0 × 3.2 mm) package suits space-constrained designs.
Regulatory Compliance: ISO 13485 certification aligns with stringent medical standards.
Supply Chain: Factory pack quantity of 500 ensures bulk availability.
Advancements in tantalum technology focus on:
Lower ESR (<1 Ω) for high-frequency applications.
Higher capacitance density in smaller footprints.
Enhanced surge current testing for critical systems.
| Model | Capacitance | Voltage | ESR | Key Difference |
|---|---|---|---|---|
| TM3C476K6R3CBA | 47 µF | 6.3 V | 1.4 Ω | Medical-grade, ISO 13485 |
| TAJB476K006RNJ | 47 µF | 6.3 V | 1.8 Ω | General purpose, lower cost |
| T491B476K010AT | 47 µF | 10 V | 2.5 Ω | Higher voltage rating |
Yes, it complies with RoHS standards (refer to Vishay’s RoHS statement for details).
MSL 1 per J-STD-033, suitable for standard reflow processes.
While it operates in a wide temperature range, it’s specifically designed for medical use. Consider Vishay’s automotive-grade alternatives for AEC-Q200 compliance.
Typically 2,000+ hours at 85°C and rated voltage, depending on derating and operating conditions.
This molded tantalum capacitor offers higher stability but slightly higher ESR than polymer counterparts.
With the rise of IoT-enabled medical devices, components like the TM3C476K6R3CBA will see increased integration in wireless monitoring systems. Vishay’s ongoing R&D aims to further reduce ESR and expand capacitance ranges.
For pricing and technical support, contact: [email protected]
