TPB19

YMIN Electronics TPB19 Series: High-Voltage Conductive Polymer Tantalum Capacitors

In the field of electronic components, when design engineers need to achieve high reliability, high voltage withstand capability, and stable filtering within extremely limited space, conductive polymer tantalum capacitors are often the preferred solution. Leveraging its deep technological expertise and precise understanding of market demands, YMIN Electronics has launched the TPB19 series of conductive polymer tantalum capacitors. This series perfectly meets the stringent requirements of modern electronic equipment for capacitor miniaturization, high performance, and high reliability, thanks to its miniaturized packaging (3.5, 2.8, 1.9mm), high voltage withstand capability up to 75V, ultra-low ESR, and wide temperature range (-55℃ to +105℃).

I. Core Product Positioning: The Perfect Balance Between Miniaturization and High Voltage Withstand

The TPB19 series directly addresses two core pain points in modern electronic design: space constraints and voltage stress. Within a miniaturized package measuring only 3.5mm x 2.8mm x 1.9mm, the TPB19 achieves a rated operating voltage of up to 75V, covering a wide voltage range from 2V to 75V, with capacitance ranging from 1.5μF to 470μF. This "small size, high voltage withstand" characteristic makes it ideal for high-density PCB designs, easily addressing the space challenges of high-voltage scenarios in today's increasingly compact PCB layouts.

Compared to traditional liquid tantalum capacitors or some aluminum electrolytic capacitors, the TPB19 series uses an advanced conductive polymer as the cathode material, a key material that delivers a fundamental performance improvement. The conductive polymer has extremely high conductivity, resulting in extremely low equivalent series resistance (ESR as low as 15mΩ). Low ESR directly translates to lower self-heating and higher operating efficiency, especially when handling high-frequency ripple currents. Furthermore, this series complies with the RoHS directive (2011/65/EU), demonstrating Sunway Electronics' strong commitment to environmental protection.

II. In-depth Technical Analysis: Superior Performance Stems from Material and Process Innovation

1. Ultra-Low ESR and High Ripple Current Capability:

The low ESR characteristic of the TPB19 series is its core advantage. For example, the maximum ESR of model TPB331M0DB19015RN at 100kHz is only 15mΩ. Extremely low ESR means that in high-frequency switching power supplies (such as DC-DC converters), the energy loss (I²R) of the capacitor is significantly reduced, allowing it to withstand higher ripple currents (up to 1100mA for some models at 100kHz and 45°C). This not only reduces heat accumulation and extends the lifespan of the capacitor itself, but also reduces the thermal management pressure on the entire system and improves overall energy efficiency.

2. Excellent Stability and Long Lifespan:

The TPB19 series exhibits excellent electrical parameter stability. After a 2000-hour durability test at 105°C with the rated voltage applied, the capacitance change rate remains within ±20% of the initial value, and the loss tangent and leakage current are both better than standard requirements. Furthermore, this product has passed rigorous high-temperature and high-humidity testing (60℃, 90%-95% relative humidity, 500 hours), demonstrating its strong adaptability to harsh environments. This long-term stability and reliability is crucial for industrial, communications, and military applications where equipment requires years of maintenance-free operation.

3. Wide Operating Temperature Range and Safety:

The TPB19 series supports a wide operating temperature range of -55℃ to +105℃, enabling it to handle extreme temperature variations, from cold-weather outdoor equipment to high-temperature engine compartments. The product design also incorporates surge withstand capability, withstanding surges of 1.15 times the rated voltage, which enhances circuit safety under transient overvoltage conditions. Combined with its stable chemical properties, the TPB19 series effectively reduces the risk of system failure due to capacitor failure.

III. Application Scenarios Overview: The Key Role of TPB19 in High-End and Harsh Environments

1. Military and Aerospace: The Ultimate Test of Reliability

In radar systems, missile guidance, military communication equipment, and field equipment, electronic systems must withstand extreme temperatures, severe shocks and vibrations, and complex electromagnetic interference. The TPB19 series' high voltage withstand capability, wide temperature range, low ESR, and excellent stability enable it to undertake critical tasks such as power filtering, decoupling, and energy retention in these vital systems related to national security. Its miniaturization also meets the high integration requirements of modern military equipment electronic systems.

2. Semiconductor Industry and High-End Computing Equipment: Guardian of Precise Energy

In test and measurement equipment, high-end servers, network storage (NAS), and base station core processors, the purity of the power supply directly determines the performance of the system. The TPB19 series' extremely low ESR and excellent high-frequency characteristics effectively filter high-frequency noise on the power lines, providing instantaneous and clean energy to high-power, high-dynamic-load chips such as CPUs, ASICs, and FPGAs, ensuring the accuracy of data processing and the stability of system operation.

3. Industrial Automation and Automotive Electronics: A Stable Foundation in Harsh Environments

In industrial frequency converters, servo drives, PLC controllers, and automotive electronic control units (ECUs) and advanced driver assistance systems (ADAS), the TPB19 series can withstand complex operating conditions such as voltage fluctuations in industrial environments and sudden load drops in automotive electronics. Its long lifespan and high-temperature stability ensure highly reliable operation of industrial production lines and automobiles throughout their expected lifespan, reducing downtime.

4. Communication Infrastructure and Consumer Electronics: A Fusion of Miniaturization and High Performance

In 5G base stations, fiber optic communication equipment, high-end routers, and compact consumer electronics products (such as drone flight controllers and high-end mobile phone RF modules), the TPB19 series provides both high voltage withstand capability and efficient filtering within limited space, helping to improve signal quality, reduce bit error rate, and meet the design trends of thinner and smaller end products.

IV. Added Value of Choosing TPB19: A Partner Beyond the Component Itself

Choosing the Sunway TPB19 series means you're getting more than just a high-performance capacitor:

• Enhanced Product Innovation and Reliability: Enables your product designs to operate stably in harsher environments, improving product competitiveness and brand reputation.

• Optimized System Performance: Low ESR characteristics help improve power efficiency and reduce system temperature rise, potentially simplifying thermal design and optimizing overall costs.

• Simplified Supply Chain Management: Sunway offers a complete selection of models covering various voltages and capacities, supporting one-stop purchasing and reducing supply chain complexity.

• Expert Support: Sunway has a mature technical team that can provide customers with comprehensive technical support from selection and application analysis to troubleshooting, becoming a reliable backing for your product development.

Conclusion

In today's rapidly developing electronic technology and ever-expanding application scenarios, Sunway's TPB19 series conductive polymer tantalum capacitors, with their combined advantages of miniaturization, high withstand voltage, low ESR, and high reliability, successfully solve the multiple challenges of power density, environmental adaptability, and long-term stability in high-end electronic equipment. It is not merely a silent component on the circuit board, but also the cornerstone ensuring stable system operation under extreme conditions. Choosing TPB19 means choosing a commitment and confidence in empowering product innovation with superior technology and reliable quality.