With the accelerated electrification and intelligentization of automobiles, thermal management systems face the dual challenges of increased power density and harsher temperature environments. Recently, electronic component company YMIN officially launched the VHE series polymer hybrid aluminum electrolytic capacitors, offering high-performance solutions for key components such as automotive electronic water pumps, electronic oil pumps, and cooling fans, thanks to four core advantages including ultra-low temperature resistance and high ripple current tolerance. This marks a new technological breakthrough for YMIN in the field of automotive-grade capacitors.

Iterative Upgrade: Inheriting the Classic, Comprehensive Performance Leap

As an upgraded version of YMIN's classic VHU series, the VHE series achieves comprehensive optimization in core parameters. Based on the 35V 330μF 10×10.5 specification product, its typical equivalent series resistance (ESR) is reduced to 8-9mΩ, significantly lower than the 11-12mΩ of the VHU series; the ripple current withstand capability at 135℃ is improved from 2000mA to 3500mA, and at 125℃ from 2800mA to 4600mA, an improvement of over 60%; the leakage current is also optimized from 44μA to 41μA, further reducing energy loss.

Four Core Advantages: Addressing Industry Pain Points

1. Ultra-low ESR Across the Entire Temperature Range, Stable Performance Without Fluctuations

Within the entire operating temperature range of -55℃ to 135℃, the VHE series maintains a stable ESR value of 9-11mΩ with minimal fluctuations, effectively reducing energy loss in high-temperature environments and ensuring stable operation of the thermal management system under extreme conditions.

2. Superior Ripple Current Tolerance, Protecting Surrounding Components

This series boasts a ripple current handling capability more than 1.8 times that of the VHU series. It efficiently absorbs high ripple current generated by motor drives, suppressing voltage fluctuations that interfere with sensitive peripherals, while simultaneously reducing heat generation and extending component lifespan.

3. Extreme High Temperature Resistance, Adaptable to Harsh Environments

The VHE series has a rated operating temperature of 135℃ and can withstand harsh ambient temperatures of 150℃, making it perfectly suited for the high-temperature operating environment of engine compartments. With a service life of up to 4000 hours, its reliability far exceeds that of traditional products.

4. High Reliability Design, Adaptable to Dynamic Operating Conditions

The product features enhanced overload and shock resistance, easily handling dynamic scenarios such as frequent vehicle start-stop cycles and sudden overloads. Its superior charge-discharge performance ensures stable operation under long-term, complex operating conditions.

Multiple Specifications Available, Precisely Matching Application Needs

To meet the design requirements of different thermal management components, the VHE series offers a wide range of specifications:

- 25V/100μF (6.3×5.8mm), 25V/470μF (10×10.5mm)

- 35V/47μF (6.3×5.8mm), 35V/330μF (10×10.5mm)

All models feature the core characteristics of "ultra-low ESR, high ripple current, high temperature resistance, and long lifespan," and can be directly adapted to key equipment such as electronic water pumps, electronic oil pumps, and cooling fans.

Empowering Automakers to Reduce Costs and Increase Efficiency, Leading a New Direction for Automotive-Grade Capacitors

The launch of the VHE series not only solves the core technical pain points of automotive thermal management systems, but also helps automakers optimize design solutions, improve system response efficiency and reliability, while reducing overall R&D and maintenance costs. As an innovative achievement in the field of automotive-grade capacitors, this series will provide strong support for the upgrading of thermal management technologies in new energy vehicles and intelligent connected vehicles.

Currently, the VHE series polymer hybrid aluminum electrolytic capacitors have been officially launched on the market. YMIN will continue to focus on the technical needs of the automotive electronics field and launch more high-performance component products.
article from: https://www.ymin.cn/news/new-vhe-series-polymer-hybrid-aluminum-electrolytic-capacitors-four-core-advantages-overcome-the-challenges-of-automotive-thermal-management-system-capacitors/