TPB19

YMIN TPB19 Conductive Polymer Tantalum Capacitors: Providing High-Reliability Power for Server Systems

In today's digital age, servers, as the core equipment of data centers, directly affect the normal operation of the entire information system due to their stability and reliability. Capacitors, as key passive components in electronic circuits, play an irreplaceable role in server power management, signal processing, and noise filtering. YMIN Electronics' TPB19 series conductive polymer tantalum capacitors, with their superior performance characteristics, are becoming one of the preferred components for server equipment manufacturers.

Product Core Characteristics and Server Application Fit

Miniaturized Design Meets High-Density Integration Needs

The YMIN TPB19 series adopts a compact size of 3.5mm × 2.8mm × 1.9mm, a feature that perfectly matches the high-density circuit board design requirements of modern server equipment. Within the limited space of the server motherboard, engineers need to deploy a large number of capacitors to achieve efficient power management and signal processing. The miniaturized design of the TPB19 makes it possible to achieve higher-density component layouts in key areas such as server power modules, CPU and GPU power supply circuits, thereby supporting more powerful computing performance.

Low ESR Enhances Power Efficiency

The TPB19 series features extremely low equivalent series resistance (ESR) at 100kHz, a characteristic particularly important for server power systems. Servers handle numerous sudden high-load tasks during operation, placing extremely high demands on the transient response capabilities of the power system. Low-ESR capacitors respond more quickly to load changes, reducing voltage fluctuations and ensuring a stable and clean power supply to the CPU, memory, and other critical components. Simultaneously, low ESR also means lower energy loss, contributing to improved overall server energy efficiency and meeting the green and energy-saving requirements of modern data centers.

High Rated Ripple Current Capability Enhances System Stability

During server operation, power circuits generate significant ripple current, especially when multi-phase VRMs (voltage regulator modules) power high-performance processors. The high ripple current handling capability of the TPB19 series (e.g., 900mA at 100kHz for a 16V/10μF capacitor) ensures that capacitors maintain stable performance under harsh operating conditions, reducing capacitor overheating and performance degradation caused by excessive ripple current, thereby improving the long-term reliability of the server system.

Wide Temperature Range for Harsh Operating Environments

The TPB19 series supports an operating temperature range of -55℃ to +105℃, a wide temperature range that allows it to perfectly withstand the high-temperature environments that may occur inside server racks. Even when the efficiency of the cooling system decreases locally or the ambient temperature rises, the TPB19 maintains stable electrical performance, preventing system failures caused by temperature fluctuations.

Long Lifespan Design Reduces Maintenance Needs

This series of capacitors can maintain a durability of 2000 hours at 105℃. Translated to the common 50-60℃ operating environment of servers, its actual lifespan far exceeds the design life of the server itself. This long lifespan significantly reduces the potential maintenance needs of server equipment, which is especially important for data centers that require over 99.99% availability.

Specific Applications in Server Subsystems

Server Power Management Unit

In the server power management unit (PSU), the TPB19 capacitor can be used in the output filtering circuit to effectively smooth the high-frequency noise generated by the switching power supply, providing clean DC power to the server motherboard. Its high voltage withstand capability (up to 75V) also allows it to be used in the primary-side circuitry of power modules, achieving efficient power factor correction (PFC) and switching noise suppression.

CPU/GPU Power Supply Circuits

Modern server processors typically require multiphase voltage regulator modules (VRMs) to provide high-current, low-voltage power supplies. In these circuits, TPB19 capacitors are widely used for output filtering of each phase of the power supply. Utilizing their low ESR and high-frequency characteristics, they quickly respond to transient changes in processor load, preventing voltage drops or overshoots and ensuring stable operation of the computing cores.

Memory Subsystem Power Management

Server memory modules (especially high-frequency DDR4/DDR5 memory) are extremely sensitive to power quality. TPB19 capacitors can be used for decoupling and filtering in memory power supply circuits, eliminating the impact of power supply noise on memory signal integrity, improving data read/write reliability, and reducing bit error rate.

Storage Controllers and Network Interfaces

In server storage controllers (such as RAID cards) and network interface cards (NICs), TPB19 capacitors provide a stable local power supply for various specialized chips, preventing data transmission errors caused by power supply noise and ensuring highly reliable connections between the server, storage system, and network.

Motherboard Distributed Power Architecture

Modern server motherboards typically employ a distributed power architecture, deploying multiple DC-DC converters in different locations. TPB19 capacitors act as output filtering components for these local power nodes, providing high-quality power to nearby chipsets, interface circuits, etc.

Perfect Match for Server Reliability Requirements

Server equipment has much higher reliability requirements for components than ordinary commercial electronic products. Yongming's TPB19 series has passed numerous rigorous tests, fully meeting the demanding requirements of server applications:

Endurance Testing Ensures Long-Term Operation

After applying the rated voltage for 2000 hours at 105℃, the capacitance change rate of the TPB19 does not exceed ±20% of the initial value, the loss tangent does not exceed 150% of the initial specification value, and the leakage current does not exceed the initial specification value. This stringent durability standard ensures that the capacitors will not experience significant performance degradation during years of continuous server operation.

High Humidity Adaptability

While server rooms typically control humidity, they may still face seasonal humidity fluctuations or air conditioning system malfunctions. The TPB19 maintains good performance after 500 hours of testing at 60°C and 90%-95% relative humidity, enhancing the server's adaptability to environmental fluctuations.

Surge Voltage Resistance

Voltage surges that can occur in server power grids pose a significant challenge to capacitors. The TPB19 can withstand surges of 1.15 times its rated voltage, providing an additional safety margin for server power systems.

Environmental and Industry Standard Compliance

The TPB19 series fully complies with the RoHS Directive (2011/65/EU), meeting the environmental regulations for electronic products in major global markets. This is a significant advantage for server manufacturers who need to comply with international environmental standards.

In summary,

Yongming's TPB19 series conductive polymer tantalum capacitors, with their miniaturized design, low ESR, high ripple current capability, wide temperature range, and long lifespan, provide a reliable power supply solution for modern server equipment. As data centers evolve towards higher density and higher efficiency, the performance indicators of the TPB19 series are highly compatible with the stringent requirements of server applications, making it an ideal choice for server power management, signal integrity, and system reliability design.

With the rapid development of 5G, artificial intelligence, and IoT technologies, the demands on server computing power and reliability will continue to increase. High-performance capacitors like Yongming's TPB19 series will play an increasingly important role in supporting next-generation server technology innovation.