Aluminum polymer capacitors play an important role in multiple fields and applications due to their unique performance advantages.
The following are some of the main application areas:
Consumer electronics: In smartphones, tablets, laptops, and other portable devices, aluminum polymer capacitors are used for power management,
decoupling of CPUs and GPUs, and high-frequency filtering to help improve device energy efficiency and stability.
Computer hardware: In motherboards, graphics cards, memory modules, and solid-state drives,
they are used to provide fast response power supply, ensuring high-performance computing and signal purity.
Power Conversion and Adapter: In switching power supplies, AC-DC converters, and DC-DC converters,
aluminum polymer capacitors provide low ESR characteristics that help improve energy efficiency, reduce heat generation, and maintain stable output under high-frequency conditions.
Automotive electronics: In the engine control units, advanced driver assistance systems (ADAS),
and infotainment systems of automobiles, their high reliability, wide temperature range, and seismic performance are particularly suitable.
Telecommunications and network equipment: In communication infrastructure such as base stations, routers, and switches,
aluminum polymer capacitors are used for filtering, energy storage, and maintaining signal quality, supporting high-speed data transmission and long-term stable operation.
Renewable energy: In solar inverters and wind power control systems, they help smooth output voltage,
improve energy efficiency, and maintain stable operation in harsh environments.
Medical equipment: In precision medical instruments and monitoring systems, the stability and long lifespan of
aluminum polymer capacitors ensure the reliability of the equipment and patient safety.
Aerospace: In aviation electronic equipment and satellite communication systems,
their high performance and reliability meet the requirements for use in extreme environments.
Preheating the circuit board to reduce thermal shock is a necessary step during welding,
and it is recommended to preheat it to about 100-120 ° C.
The welding temperature should be controlled below 260 ° C and the welding time should be shortened
as much as possible to avoid capacitor failure caused by overheating.
Use appropriate solder and flux, and ensure that the solder joints are uniform to avoid local overheating.
The life span of aluminum polymer capacitors is usually represented by a warranty period of thousands to tens of thousands of hours,
but the actual service life is affected by various factors, including operating temperature, voltage fluctuations, and mechanical stress.
High temperature is the main factor that shortens the lifespan of capacitors, and for every 10 ° C increase,
the lifespan is approximately halved. Voltage fluctuations should be controlled within the rated voltage range,
as over voltage can accelerate aging. In addition, mechanical vibration and impact also need to be considered,
and reasonable design and installation can effectively avoid these problems.
The main advantages of aluminum polymer capacitors include:
Lower equivalent series resistance (ESR) allows them to perform better in high-frequency circuits, effectively filtering out ripple current and noise.
Higher temperature stability, wider operating temperature range, suitable for use in harsh environments.
Don't worry about electrolyte drying up, it has a longer service life and higher reliability.
Not easy to leak and low risk of explosion, as there is no liquid electrolyte, there is a significant improvement in safety.
Small in size and lightweight, suitable for portable electronic devices and high-density assembly applications
Working principle of aluminum polymer capacitors
The core of aluminum polymer capacitors lies in their solid polymer electrolyte, which replaces the liquid electrolyte in traditional aluminum electrolytic capacitors.
This polymer material not only improves the stability and high temperature resistance of capacitors, but also significantly reduces ESR.
When working, the positive electrode is made of aluminum foil, and a layer of aluminum oxide film is formed on the surface as a dielectric;
The negative electrode is made of aluminum foil coated with conductive polymer.
Ionic conduction is achieved between the two poles through solid polymer electrolytes, enabling the storage and release of charges.
This mechanism endows aluminum polymer capacitors with excellent electrical performance.
Aluminum polymer capacitor is an electrolytic capacitor that has gradually become a favored choice for engineers in the field of electronic components
due to its excellent performance, especially in applications with strict requirements for capacitance characteristics.
Its characteristic is to use aluminum foil as the anode and form a layer of aluminum oxide (Al2O3) on the surface of the anode as the dielectric.
Unlike traditional liquid aluminum electrolytic capacitors, the cathode of aluminum polymer capacitors does not use liquid electrolyte,
but instead uses a conductive polymer material. This high conductivity polymer electrode film is deposited on an alumina layer,
replacing traditional liquid or paste electrolytes, and is therefore also known as solid-state aluminum electrolytic capacitors.
Aluminum polymer capacitors use solid polymer electrolytes, which have high conductivity, low ESR, wide temperature operating range, and long lifespan.
Suitable for scenarios with high frequency, harsh environments, and high reliability requirements,
such as consumer electronics, automotive electronics, and telecommunications equipment.
Compared with traditional aluminum electrolytic capacitors, it has better performance but may be more expensive.
| WEET PN | MHz | Size [mm] | Frequency Range |
| WQC-HC49S | MHz Quartz Crystal | 10.8 × 4.5× 3.38mm | 3.2 ~ 48 MHz |
| WQC-HC49SMD | MHz Quartz Crystal | 12.5 × 4.5× 4.1mm | 3.2 ~ 48 MHz |
| WQC-SMD3225 | MHz Quartz Crystal | 3.2×2.5×0.70 mm | 8 ~ 54 MHz |
| WQC-SMD5032 | MHz Quartz Crystal | 5.0×3.2×0.8 mm | 8 ~ 50 MHz |
| WQS-OSC3225 | MHz Oscillators | 3.2×2.5×0.95 mm | 1 ~ 160 MHz |
| WQS-OSC5032 | MHz Oscillators | 5.0×3.2×1.2 mm | 1 ~ 160 MHz |
| WQS-OSC7050 | MHz Oscillators | 7.0×5.0×1.3 mm | 1 ~ 160 MHz |
| WQS-3Z3225 | DXO Oscillators | 3.2×2.5×0.9 mm | 90 ~ 160 MHz |
| WQS-5Z5032 | DXO Oscillators | 5.0×3.2×1.25 mm | 90 ~ 160 MHz |
| WQS-7Z7050 | DXO Oscillators | 7.0×5.0×1.45 mm | 90 ~ 160 MHz |
https://www.weetcap.com/Crystals-Oscillators/
In order to let more customers know about WEET Capacitors and Resistors,
we have pulished some photos on Instagram Sharing Test Reviews.
WEET audio capacitors can replace ERSE, Mundorf - MCAP MKP,
Mallory, BENNIC, SCR / SOLEN, Auricap, INTERTECHNIK, Ampohm audio series.
WMH can replace from those brands audio capacitors: like Mundorf, Auricap.
A luxury capacitor designed especially for modern high-end tweeters and mid-range drivers
It is the most high grade audio capacitors in China, with Aluminum Foil and PP film,
we are the only factory can produce such type audio capacitor.
https://www.instagram.com/weetcap/
Dear Customers,
We are glad to inform you the 2024 marks the 75th anniversary of China National Day, which is also the 75th anniversary of the founding of the People's Republic of China.
Our factory is running into the peak season from Sept to Dec,2024.
We sincerely suggest you plan your order in advance, we will try our best to provide the fastest lead time to meet your schedule. Thank you.
2024 National Day Holiday Notice
Holiday From 1st Oct, to 7th Oct, Resume Work On 8th Oct, 2024
Best regards,
WEE Technology Company Limited
2024-09-20
WFT Features
WEET WFT High Voltage Metallized Polypropylene Film Capacitors For Power SupplyMetallized polypropylene film wound.
Non-inductive construction the polyester tape or specific tape wrap and epoxy resin end filled,
Excellent self-hearing property and temperature stability,
Copper solder tags, copper screw, copper nut and others are available on request.
Main Applications
Mainly used high voltage converter super high voltage power supply, high voltage coupling and carrier wave communication signal coupling in high voltage transmission lne.
Low Dissipation Factor, MAX 5% at 120Hz, Bi-Polarized，105℃ 1000 hours
Specially produced for Cross-Over Networks with high fidelity audio system
High-quality crossover non-polar aluminum electrolytic capacitors
Product mainly used: audio converters and dividers (partials), Audio amp, automotive electronics products, speaker.
Popular Items cross reference to Visaton brand.
https://www.visaton.de/en/products/accessories/crossover-parts/electrolytic-capacitors
" I received all items in perfect condition a week ago.
I did some tests on WMM series and they perform very well, much better than the Visaton brand."
--- Comment by Stanislav Nadelyaev from Russia
WEE Technology produces full range of axial Fixed Resistors, such as Carbon Film Resistor, Metal Film Precision Resistor, Metal Oxide Resistor, Fusible Resistor, Wire Wound Resistor, High Precision Metal Film Leaded Resistor, Metal Film Leaded Precision Resistor, Precision Compact Size Resistor Networks (UPSC), Jumper Wire Resistor, Low Value Wire Resistor, Metal Galazed Resistor, Melf Carbon Film Resistor, Melf Metal Film Resistor, Cement Resistor, Ceramic Resistors, Non-Flammable Wire-Wound Power Resistor, Aluminum Housed Wire Wound Resistor, Metal Clad Wire Wound Resistor.
https://www.weetcap.com/Resistors/
https://www.resistorsfactory.com/Audio-Resistors/
