RH221C106MA3RA3 KYOCERA AVX RH221C106MA3RA3 RH Series SMD MLCC Multilayer Ceramic Capacitors

KYOCERA AVX RH221C106MA3RA3 – High-Reliability 10μF 100V X7R MLCC Capacitor

The KYOCERA AVX RH221C106MA3RA3 MLCC Capacitor represents a cutting-edge multilayer ceramic capacitor (MLCC) solution specifically engineered to address the most challenging requirements in modern power electronics. Designed with mission-critical applications in mind, this 10μF 100V X7R capacitor combines industry-leading electrical performance with rugged mechanical construction through its patented “J” lead frame architecture.

Engineered Superiority for Power Electronics

Built using advanced ceramic nanotechnology, this MLCC features:

• Ultra-Low Impedance: Exceptionally low ESR (<14mΩ) and ESL (<0.5nH) enable efficient energy transfer in high-current applications
• Enhanced Power Density: Compact 7.2×5.4mm case size delivers 10μF capacitance—a 30% footprint reduction versus competing solutions
• X7R Thermal Stability: Maintains ±15% capacitance stability across an extended -55°C to +125°C operating range

Breakthrough Mechanical Design

The innovative “J-Lead” termination system provides:

• 300% better mechanical robustness versus standard MLCCs in vibration tests (per MIL-STD-202G)
• Elimination of brittle fractures caused by PCB flexure (exceeds IPC-9701 standards)
• Superior thermal cycling performance (-55°C to +125°C, 1000 cycles) for harsh environments

High-Frequency Optimization

Precision-engineered internal architecture delivers:

• Self-resonant frequency >30MHz for stable operation in switching regulators up to 10MHz
• Helical 3D electrode design minimizing current path inductance
• Outstanding Q factor (>100 @1MHz) for resonant circuit applications

Reliability That Exceeds Expectations

KYOCERA AVX’s stringent quality control ensures:

• 2000-hour operational life at 125°C + 200% rated voltage
• Capacitance drift <±10% after 1000 thermal shock cycles
• Moisture resistance meeting IPC-J-STD-020D MSL Level 1 requirements

Space-Saving Innovation

The stackable form factor enables:

• 40% board space reduction versus conventional solutions
• Simplified inventory management through single-component consolidation
• Optimized thermal management in high-density layouts

Performance Comparison Benchmarks

When evaluated against industry alternatives:

This capacitor represents the ideal convergence of:

• Power delivery efficiency
• Miniaturization capability
• Reliability assurance
• System cost optimization

For design engineers requiring predictable performance in space-constrained, high-stress environments, the RH221C106MA3RA3 delivers uncompromising quality backed by KYOCERA AVX’s 70 years of ceramic technology leadership.

Technical Specifications

Reliability & Compliance

Accelerated Life Testing

• 1000 hours @125°C +200% rated voltage (500V variants tested at +120%)
• Capacitance drift <±10%, exceeding EIA-198-1 standards

Dielectric Withstanding Voltage

• 250% overvoltage withstand (5 sec, 50mA max current limit)
• 500V models tested at 150% rated voltage

Environmental & Regulatory

• RoHS-compliant (BME version available)
• Non-RoHS (PME) option offered
• IPC-J-STD-020D MSL Level 1 moisture sensitivity

Applications

Industrial & Telecom Power Systems

1. 48V→12V DC/DC Converter Filtering

• Key Benefit: Replaces bulky aluminum electrolytics with 50% size reduction
• Technical Advantage: Stable ESR (<14mΩ) prevents voltage ripple in:
  • Blade server power architectures
  • Open Rack Standard (ORS) power shelves
• Reliability Feature: Handles cyclic surge currents up to 100A/μs

2. Server/GPU Power Delivery Networks (PDNs)

• Performance Metric: Reduces PDN impedance by 40% @1MHz vs standard MLCCs
• Implementation Cases:
  • NVLink power isolation in H100/A100 GPUs
  • CPU Vcore decoupling for 4th Gen Xeon Scalable
• Thermal Management: Maintains capacitance within ±5% during 85°C full-load operation

3. 5G Base Station Power Modules

• mmWave Support: Stable performance at 24-40GHz carrier frequencies
• Field Deployed Solutions:
  • mMIMO AAU power amplifier bias circuits
  • DU/CU power supply input filtering
• Environmental Robustness: Withstands IEC 60068-2-6 vibration tests (10-500Hz, 5Grms)

Automotive Electronics

1. On-Board Charger (OBC) Input Filtering

• EMI Performance: Achieves >40dB attenuation from 150kHz-30MHz
• Topology Integration:
  • Totem-pole PFC stage filtering
  • LLC resonant converter DC bus stabilization
• Automotive Standards Compliance:
  • AEC-Q200 Grade 2 (-40°C to +105°C)
  • ISO 16750-2 voltage transient protection

2. ECU Power Rail Decoupling

• Critical Protection:
  • ISO 7637-2 Pulse 1/2/3a/3b compliance
  • Load dump (87V) survival capability
• Application Examples:
  • ADAS domain controller power integrity
  • Electric power steering ECU buffer circuits
• Reliability Data: 3000 cycles of -40°C↔125°C thermal shock testing passed

High-Current Switching Circuits

1. Switched-mode Power Supplies (SMPS)

• Topology Optimization:
  • Phase-shifted full-bridge (PSFB) output filtering
  • Active-clamp forward converter primary-side snubber
• Performance Gains:
  • Enables 1MHz+ switching frequencies
  • Reduces switching losses by 15% vs conventional MLCCs

2. PV Inverter DC-Link Buffering

• Solar-specific Benefits:
  • Handles 200V/μs dv/dt rates in SiC-based designs
  • 100% rated voltage operation at 85°C ambient
• System Integration:
  • Two-stage microinverter intermediate bus buffering
  • Central inverter maximum power point tracking (MPPT) circuits

3. Motor Drive Bus Voltage Stabilization

• Industrial Motor Control:
  • Servo drive DC link filtering (24-800V systems)
  • BLDC motor inverter input capacitance banks
• Key Performance Indicators:
  • 5X longer lifetime vs aluminum electrolytics in vibration environments
  • Only 3% capacitance derating at 100VDC bias

Emerging Applications

Aerospace & Defense

• Satellite Power Systems:
  • Reduces weight by 60% vs tantalum capacitors
  • Radiation-hardened versions available
• Avionics Solutions:
  • Fly-by-wire actuator power conditioning
  • Cockpit display power rails

Medical Power Systems

• Implantable Devices:
  • Defibrillator capacitor reforming circuits
  • Neuromodulator energy storage
• Diagnostic Equipment:
  • MRI gradient amplifier power stabilization
  • X-ray generator high-voltage regulation

Consumer Fast Charging

• GaN Charger Designs:
  • Resonant capacitor in 140W USB PD 3.1 designs
  • PFC stage snubber networks
• Performance Benchmark:
  • Enables 0.98 power factor at 50% load
  • Withstands 100,000 plug/unplug cycles

This expanded coverage demonstrates the capacitor’s versatility across: ✅ High-power density designs ✅ Extreme environment applications ✅ Next-generation power architectures

“Engineers specify RH221C106MA3RA3 when they need predictable performance that survives real-world operational stresses while enabling smaller, cooler-running designs.” – KYOCERA AVX Power Solutions Team

Design Advantages

X7R Temperature Stability

• Only ±15% capacitance variation (-55°C to +125°C)
• 3X better high-temperature retention vs. Y5V dielectrics

High-Frequency Optimization

• 3D helical electrode minimizes ESL/ESR
• ESR improves from 17mΩ (100kHz) → 14mΩ (1MHz)

Mechanical Strength

• “J” lead frame eliminates brittle fractures
• Ideal for high-vibration environments

Ordering Information

Part Number Breakdown

📌 Packaging Options:

• Tape & Reel: 500pcs/13” reel
• Waffle Pack: 270pcs/tray
• Custom configurations available

Why Engineers Choose RH221C106MA3RA3?

🔹 [✓] Eliminates BOM Complexity – High capacitance in 7.2×5.4mm
🔹 [✓] Superior Power Efficiency – Ultra-low ESR (<14mΩ) minimizes losses
🔹 [✓] Automotive-Grade Reliability – Ideal for functional safety designs
🔹 [✓] Stackable for Ultra-High Density – Optimizes PCB layout

📥 Design Resources:

• SPICalci Software – Impedance simulations
• PSpice Models – Transient analysis

Conclusion

The RH221C106MA3RA3 represents KYOCERA AVX’s flagship X7R MLCC, combining:
✔ Best-in-Class ESR Stability
✔ Automotive-Grade Durability
✔ Space-Saving Design Flexibility