| Products Code | Temperature
(℃） |
Rated Voltage
（V.DC） |
Capacitance
（uF) |
Diameter
(mm) |
Height
(mm) |
Leakage current(uA) | ESR/
Impedance [Ωmax] |
Life(Hrs) |
| NPWL2001V182MJTM | -55~105 | 35 | 1800 | 12.5 | 20 | 7500 | 0.02 | 15000 |
Main Technical Parameters
Rated voltage (V): 35
Working temperature (°C): -55~105
Electrostatic capacity (μF): 1800
Lifespan (hrs): 15000
Leakage current (μA): 7500 / 20±2℃ / 2min
Capacity tolerance: ±20%
ESR (Ω): 0.02 / 20±2℃ / 100KHz
AEC-Q200: ——
Rated ripple current (mA/r.ms): 5850 / 105℃ / 100KHz
RoHS Directive: Compliant
Loss tangent value (tanδ): 0.12 / 20±2℃ / 120Hz
reference weight: --
DiameterD(mm): 12.5
Minimum packaging: 100
Height L (mm): 20
Status: Volume product
Product Dimensional Drawing
Dimension (unit:mm)
frequency correction factor
| Frequency(Hz) | 120Hz | 1k Hz | 10K Hz | 100K Hz | 500K Hz |
| correction factor | 0.05 | 0.3 | 0.7 | 1 | 1 |
NPW Series Conductive Polymer Aluminum Solid Electrolytic Capacitors: A Perfect Blend of Superior Performance and Ultra-Long Life
With the rapid development of the modern electronics industry, the performance requirements for electronic components are increasingly demanding. As YMIN's star product, the NPW series conductive polymer aluminum solid electrolytic capacitors, with their excellent electrical properties, long service life, and stable performance, have become the preferred component for numerous industrial applications and high-end electronic devices. This article will delve into the technical features, performance advantages, and outstanding performance of this series of capacitors in practical applications.
Groundbreaking Technological Innovation
The NPW series capacitors utilize advanced conductive polymer technology, representing a significant technological breakthrough in the electrolytic capacitor industry. Compared to traditional liquid electrolytic capacitors, this series uses a conductive polymer as a solid electrolyte, completely eliminating the risks of electrolyte dry-out and leakage. This innovative design not only significantly enhances product reliability but also significantly improves several key performance indicators.
The most striking feature of this series is its exceptionally long service life, reaching 15,000 hours at 105°C. This performance far exceeds that of traditional electrolytic capacitors, meaning it can provide over six years of stable service under continuous operation. For industrial equipment and infrastructure that require uninterrupted operation, this long lifespan significantly reduces maintenance costs and the risk of system downtime.
Excellent Electrical Performance
The NPW series capacitors offer excellent electrical performance. Their extremely low equivalent series resistance (ESR) offers multiple advantages: first, it significantly reduces energy loss, improving overall system efficiency; second, it enables the capacitors to withstand higher ripple currents.
This product features a wide operating temperature range (-55°C to 105°C), adaptable to a variety of harsh environmental conditions. With a rated voltage of 35V and a capacitance of 1800μF, they offer higher energy storage density within the same volume.
The NPW series exhibits excellent frequency characteristics. The capacitors maintain stable operating characteristics across a wide frequency range from 120Hz to 500kHz. The frequency correction factor smoothly transitions from 0.05 at 120Hz to 1.0 at 100kHz. This excellent frequency response makes them particularly suitable for high-frequency switching power supply applications.
Robust Mechanical Structure and Environmentally Friendly Features
The NPW series capacitors feature a compact, radial-lead package with a diameter of 12.5mm and a height of 20mm, achieving maximum performance within limited space. They are fully RoHS-compliant and meet global environmental standards, enabling them to be used in electronic equipment exported worldwide.
The solid-state design gives NPW capacitors excellent mechanical stability, allowing them to withstand strong vibration and shock. This makes them particularly suitable for applications such as transportation and industrial automation, where equipment often faces harsh mechanical environments.
Wide Applications
Industrial Automation Systems
In the industrial control sector, NPW series capacitors are widely used in key equipment such as PLC control systems, inverters, and servo drives. Their long life and high reliability ensure continuous and stable operation of industrial production lines, minimizing production downtime due to component failure. The high-temperature resistance of NPW capacitors is particularly important in industrial equipment operating in high-temperature environments, such as those in metallurgy and glass manufacturing.
New Energy Sector
In solar inverters and wind power generation systems, NPW capacitors are used to support the DC link in DC-AC conversion circuits. Their low ESR properties help improve energy conversion efficiency, while their long lifespan reduces system maintenance and lowers overall lifecycle costs. For renewable energy power generation facilities located in remote areas, component reliability directly impacts the economic benefits of the entire system.
Power Grid Infrastructure
NPW series capacitors are widely used in smart grid equipment, power quality improvement devices, and uninterruptible power supply systems (UPS). In these applications, capacitor reliability is directly related to the stable operation of the power grid. NPW products' 15,000-hour lifespan guarantee provides essential reliability for power infrastructure.
Communications Equipment
NPW capacitors are used for power supply filtering and voltage stabilization in 5G base stations, data center servers, and network switching equipment. Their excellent frequency characteristics are particularly well-suited for high-frequency switching power supplies, effectively suppressing power supply noise and providing a clean power environment for sensitive communications circuits.
Design Considerations and Application Recommendations
When selecting NPW series capacitors, engineers need to consider multiple factors. First, they should select an appropriate rated voltage based on the actual operating voltage. A 20-30% design margin is recommended to account for voltage fluctuations. For applications with high ripple current requirements, it's necessary to calculate the maximum ripple current and ensure it does not exceed the product rating.
During PCB layout, consider the impact of lead inductance. It's recommended to place the capacitor as close to the load as possible and use wide, short leads. For high-frequency applications, consider connecting multiple capacitors in parallel to further reduce the equivalent series inductance.
Heat dissipation design is also a key consideration. While the NPW series' solid-state structure offers excellent temperature resistance, proper thermal management can further extend its service life. It's recommended to provide good ventilation and avoid placing the capacitor near heat sources.
Quality Assurance and Reliability Testing
NPW series capacitors undergo rigorous reliability testing, including high-temperature load life testing, temperature cycling testing, and humidity load testing. These tests ensure stable performance under various environmental conditions.
Manufactured on an automated production line with a comprehensive quality control system, each capacitor meets design specifications. The minimum packaging unit is 100 pieces, suitable for mass production and ensuring product consistency.
Technological Development Trends
As electronic devices evolve towards higher efficiency and higher power density, performance requirements for capacitors are also increasing. Conductive polymer technology, represented by the NPW series, is evolving towards higher voltages, higher capacitances, and smaller sizes. In the future, we expect to see new products with wider operating temperature ranges and longer lifespans to meet the demands of emerging applications.
Conclusion
The NPW series conductive polymer aluminum solid electrolytic capacitors, with their superior technical performance and reliability, have become an indispensable key component in modern electronic devices. Whether in industrial control, new energy, power infrastructure, or communications equipment, the NPW series provides excellent solutions.
With the continuous advancement of electronic technology, YMIN will continue to be committed to technological innovation and product optimization, providing customers around the world with even higher-quality capacitors. Choosing the NPW series capacitors means not only choosing superior performance and reliability, but also choosing a long-term commitment to product quality and unwavering support for technological innovation.
