Vibration-Resistant Hybrid Polymer Aluminum Electrolytic Capacitors

Introduction

The B409x series from TDK Corporation represents a significant advancement in the field of capacitors, specifically designed to endure mechanical vibrations while maintaining high performance. These hybrid polymer aluminum electrolytic capacitors are ideal for applications in both automotive and industrial sectors, ensuring reliability in demanding environments.

Part Description

TDK's B409x series features surface-mount hybrid polymer aluminum electrolytic capacitors that can withstand mechanical vibrations of up to 30 g, adhering to MIL-STD-202, Method 204 standards. The capacitors are designed with four posts that stabilize the can during mechanical shocks. They are available in various voltage ratings ranging from 25 V to 80 V and capacitance values from 56 µF to 1100 µF. The components have a compact diameter of 10 mm and a height ranging from 10.2 mm to 16.8 mm, with a temperature range of -55 °C to +150 °C. The B409x series boasts a low ESR of 10 mΩ to 33 mΩ and high ripple current capabilities of 2.8 A to 5.8 A, ensuring a useful life of over 4000 hours at +125 °C and more than 10,000 hours at +105 °C for the industrial series.

Applications

• Automotive electronics (e.g., power steering, DC-DC converters, cooling fans, water and oil pumps, brakes)
• Industrial electronics (e.g., GPUs, robots, e-bikes, e-scooters, power tools)

Industries

• Automotive
• Industrial Automation
• Consumer Electronics
• Robotics
• Renewable Energy

Usage Ideas

1. Automotive Power Steering System: Integrate the B409x capacitor into a power steering system to enhance stability and performance under varying mechanical vibrations.
2. Electric Bike Control Unit: Utilize the capacitor in the control unit of an electric bike to ensure reliable operation in a compact design, even under high ripple currents.
3. Robotic Arm Power Supply: Implement the B409x series in a robotic arm's power supply circuit to maintain consistent performance during operation in industrial settings.

Conclusion

The TDK B409x series of vibration-resistant hybrid polymer aluminum electrolytic capacitors is a robust solution for applications requiring reliability under mechanical stress. With their low ESR, high ripple current capabilities, and extended useful life, these capacitors are well-suited for a variety of demanding environments in automotive and industrial sectors. Their innovative design and performance characteristics make them an excellent choice for engineers looking to enhance the durability and efficiency of their electronic systems.