Plastic Film Capacitors for Power Electronics
About AIC tech Product
AIC Tech Inc.'s Plastic Film Capacitors for Power Electronics are designed to meet diverse needs in power electronics applications. These capacitors, available in both aluminum and resin encased types, offer a wide operating temperature range of -40°C to +85°C (up to 105°C for certain models) and support rated voltages from 450V to 2200V with capacitance values ranging from 1µF to 5000µF. They are engineered for high-ripple current, humidity resistance, and high-reliability requirements, ensuring robust performance and enhanced durability in demanding conditions.
Main features
| Operating Temperature range [℃] | -40 to +85 (up to 105 for some models) |
|---|---|
| Operating voltage [V.DC] | 450 to 2200 |
| Capacitance range [µF] | 1 to 5000 |
| Major applications | Wind & solar power inverters, other inverters, chopper control and charge-discharge, high voltage/current power supplies |
Cylindrical type (for DC)
Utilizing our original segmented metallized film, cylindrical type (DC) Capacitors offer high reliability and excellent voltage withstand capability. Available in standard, small-sized, and high-reliability versions, these capacitors ensure robust performance and enhanced durability in power electronics applications.
| Series | Feature | Operating Temperature range [℃] | Standard product | Small-sized product | High-reliability product | Rated voltage[V] | Capacitance range[µF] |
|---|---|---|---|---|---|---|---|
| MLC | Standard, For DC, Aluminium encased type | -40〜+85 | ◯ | ◯ | 900〜1,500 | 70〜2,300 | |
| MLC2 | Large capacitance, For DC, Aluminium encased type | -40〜+85 | ◯ | ◯ | 800, 900 | 230〜3,800 | |
| MLCA | High-ripple current, For DC, Aluminium encased type | -40〜+85 | ◯ | 600〜2,200 | 90〜5,000 |
PCB mount type（for DC）
PCB Mount Type (for DC) Capacitors are resin-encased components designed for DC link circuits. Encased in plastic and filled with resin materials conforming to UL94V-0, they are available in standard, small-sized, and high-reliability versions. With options for standard, humidity-resistant, and wide voltage range applications, these capacitors ensure high performance and safety in various power electronics applications.
| Series | Feature | Operating Temperature range [℃] | Standard product | Small-sized product | High-reliability product | Rated voltage[V] | Capacitance range[µF] |
|---|---|---|---|---|---|---|---|
| MKCP4 | Standard, For DC, Resin encased type | -40〜+85(105) | ◯ | ◯ | ◯ | 700〜1,100 | 7〜100 |
| MKCP4T | Humidity resistance, For DC, Resin encased type | -40〜+85(105) | ◯ | ◯ | ◯ | 700〜1,100 | 6〜70 |
| MKCA NEW! | Wide voltage range, For DC,Resin encased type | -40〜+85(105) | ◯ | ◯ | ◯ | 450〜1,200 | 1〜80 |
FAQs
What quality standards do these capacitors meet?
AIC Tech's Plastic Film Capacitors meet several stringent quality standards to ensure high reliability and performance. They comply with the RoHS directive, which restricts the use of hazardous substances in electrical and electronic equipment. Additionally, the capacitors undergo rigorous testing in accordance with industry standards such as IEC60068-2-6 for vibration and shock resistance.
Can these capacitors be customized for specific applications?
Yes, AIC Tech offers customization options for their Plastic Film Capacitors to meet specific application requirements. Customers can request capacitors with specific electrical characteristics, such as different capacitance values, voltage ratings, and thermal sensors (PT100) for temperature monitoring.
How do AIC Tech's capacitors handle high ripple currents and what makes them suitable for such applications?
Our plastic film capacitors, particularly the MLCA series, are designed for high ripple current applications. They utilize segmented metallized film technology, which enhances their ability to withstand high ripple currents without degradation. This design ensures stable performance and longevity even under fluctuating electrical loads.
How do AIC Tech's capacitors perform in harsh environmental conditions, such as high humidity or corrosive atmospheres?
Our capacitors are designed to operate within specified humidity ranges and should not be exposed to corrosive atmospheres. Models like the MKCP4T series are specifically designed for humidity resistance. Proper environmental controls and regular maintenance are essential to ensure reliable performance in harsh conditions.
Can these capacitors be used in applications involving high-frequency currents or harmonics?
Yes, AIC Tech's capacitors can be used in applications involving high-frequency currents or harmonics. However, it is essential to consider the impact of frequency on the capacitors' performance and ensure that the capacitors are selected based on their ability to handle the specific frequency and harmonic conditions of the application.
What is the typical lifespan of these capacitors, and how does operating temperature affect their longevity?
The typical lifespan of AIC Tech's capacitors ranges from 4,000 to 20,000 hours, depending on the series and operating conditions. Operating temperature significantly impacts longevity; capacitors should be used within specified temperature ranges to avoid thermal overload, which can reduce lifespan. Proper cooling and maintaining temperatures within the recommended limits are crucial for maximizing capacitor life.
Are these capacitors compliant with environmental and safety standards, such as the RoHS directive?
Yes, AIC Tech's capacitors comply with the RoHS directive, ensuring they do not contain hazardous substances like PCB or other toxic materials. This compliance guarantees that the capacitors meet environmental and safety standards, making them safe for use in various applications.