Radial Capacitor｜Aluminum Electrolytic Capacitor
Radial Capacitor｜AIC tech Product
At AIC Tech Inc., we offer Radial Aluminum Electrolytic Capacitors designed for standard applications with excellent reliability. Our capacitors, available in the HU and HL series, feature a useful life of up to 5,000 hours and an operating temperature range from -25 to +105°C. These capacitors support an operating voltage range of 200V to 450V and capacitance from 8.2µF to 560µF, ensuring stable and efficient performance in various industrial and commercial applications.
Main features
| Useful Life time [h] | 2,000 to 5,000 |
|---|---|
| Operating Temperature range [℃] | -25 to +105 |
| Operating voltage [V.DC] | 200 to 450 |
| Capacitance range [µF] | 8.2 to 560 |
| Size | Various sizes available |
| Major applications | Power supplies, frequency converters or UPS systems Converters in photovoltaic and wind power plants |
Standard product
In the Standard Series, we focus on providing reliable and efficient performance for a wide range of applications. These capacitors are designed to operate at temperatures up to 105°C and offer a balance of capacitance and voltage. The distinctive feature of this series is its versatility in standard industrial and commercial uses, ensuring stable performance and long life.
| Type / Series | Feature | Useful Life time [h] | Operating Temperature range [℃] | Standard product | Small-sized product | High-reliability product | Operating voltage[V.DC] | Capacitance range[µF] | |
|---|---|---|---|---|---|---|---|---|---|
| Standard | HU | Standard | 2,000 | -25〜+105 | ◯ | 200〜450 | 8.2〜560 | ||
| HL | Standard, Long-life | 5,000 | -25〜+105 | ◯ | 200〜450 | 8.2〜560 | |||
FAQs
What quality standards do these capacitors meet?
We ensure that our Radial Aluminum Electrolytic Capacitors comply with stringent quality standards, including JIS C 5101-4, to guarantee high reliability and performance in various industrial applications.
Can these capacitors be customized for specific applications?
Yes, we offer customization options for specific applications. You can consult with us to discuss your unique requirements and have capacitors tailored to meet your needs.
How can I place an order for these capacitors?
You can place an order for our capacitors through our official website. You can contact our sales team via the provided contact information or inquiry forms.
Are the capacitors RoHS compliant?
Yes, our Radial Aluminum Electrolytic Capacitors are RoHS compliant, ensuring they meet environmental and safety standards for the restriction of hazardous substances.
Are these capacitors suitable for power supply applications?
Yes, our Radial Aluminum Electrolytic Capacitors are highly suitable for power supply applications, offering reliable performance, long life, and stable operation across a wide range of voltages and capacitance values.
What is Radial Capacitors
Radial capacitors are capacitors constructed with two leads emerging from the same side of the component body. Typically housed in a cylindrical aluminum can or similar package, a radial capacitor mounts vertically on a printed circuit board (PCB), with both terminals inserted through the board on one end of the device. This configuration is one of the most common in electronics, used across a wide range of applications. In industrial electronics, radial aluminum electrolytic capacitors are prized for their compact form and robust performance.
Key advantages include
Compact PCB footprint:
By standing upright, radial capacitors use minimal board area. They require less horizontal space than axial types, enabling high component density on modern PCBs. This makes them ideal in densely populated industrial control boards and power modules.
Thermal and voltage endurance:
Many radial designs support broad operating ranges (e.g. up to 150 °C and hundreds of volts), offering reliable operation under harsh conditions. Their high voltage ratings (often reaching several hundred volts or more) and wide temperature tolerance suit them for heavy-duty applications.
Low ESR and high ripple handling:
Advanced radial capacitors (including polymer and hybrid electrolytics) feature very low equivalent series resistance and the ability to sustain large ripple currents. This trait is critical in power converters and motor drives, where they smooth out pulsating currents and minimize heat generation.
Longevity and reliability:
Industrial-grade radial capacitors are available in long-life series (rated in the thousands of hours at elevated temperature) to ensure stable, extended operation. Their sealed construction and integral pressure-relief vents contribute to safe, reliable performance in motor drives, power converters, and control systems.
Comparison with Axial Capacitors
Radial and axial capacitors differ primarily in lead configuration and mounting style. An axial capacitor has one lead on each end of its cylindrical body, whereas a radial capacitor’s leads both exit from the same end. This difference means axial units usually mount horizontally (laid flat along the board or between two connection points), consuming more PCB area, while radial units mount vertically and occupy a smaller footprint. Axial capacitors can achieve a lower profile height when mounted flat, but radial capacitors minimize board space for a given capacitance by using vertical volume.
In terms of electrical characteristics, the straight-line lead path of axial capacitors can result in slightly lower inductance, beneficial for high-frequency stability. However, modern radial capacitors are offered in low-ESR, high-performance series that mitigate these differences – many radial types now handle high ripple currents and fast switching transients with excellent performance. Radial designs also often boast higher voltage and temperature ratings than their axial counterparts (radial electrolytics can reach several hundred or even thousands of volts in specialty cases, whereas axial types are typically limited to a few hundred volts). Both styles can provide high capacitance and reliability, but radial capacitors align better with the demands of today’s industrial systems.
For use in modern industrial environments, radial capacitors are generally favored. Their vertical, through-hole mounting is compatible with automated assembly and allows components to be packed tightly on power supply boards and drive control units. Axial capacitors remain useful in certain scenarios – for example, in legacy equipment or point-to-point wired assemblies where a low-profile component can span two connections – but they are less common in new designs. In summary, axial lead capacitors were often used in earlier or space-permissive designs, whereas radial capacitors, with their compact footprint and strong electrical performance, are the preferred choice for contemporary industrial electronics requiring high density and rugged, long-term operation.