WEE Technology Company Limited - WEE are Capacitors Specialist
If you are very active in audio forums and related business filed, you must be quite familiar with “ Foil and Film” phrase. Maybe you will see lots of products names as Aluminum foil capacitor or Silver foil capacitor. Yes, that is true to some extents.
WEET engineers would like to tell you the advantages of Pure Aluminum Foil and Film Polypropylene PP Capacitors than Silver Plated Foil metallized polypropylene Audio Capacitors
The main Dielectric for both of the above two type capacitors are Polypropylene film, but Pure Aluminum Foil are winding by a layer of Pure Aluminum foil spliced to a layer of original polypropylene insulation film. There are two layers individually. So the size and weight for Pure Aluminum Foil are bigger and heavier than Silver Plated Foil Audio Capacitors
However, for Silver Plated Foil Audio Capacitors, there is only one layer winding on the core. Electroplating the metal composed of silver on the surface of the original PP film, which can also be called as metallized silver polypropylene film.
Regarding the sounding performance, pure foil PP capacitors has much lower DF (Dissipation factor) values than plated foil metallized polypropylene film capacitors.
Please check below datasheet of WEET WMH Pure Aluminum Foil and Film Polypropylene PP Capacitors and common items stock list.
https://weetcap.com/Audio-Capacitors/
WMH-100V | Pure Aluminum Foil and Film Polypropylene PP Capacitors Axial, D*L:+/-2mm |
1.0uF | WMH Aluminum Foil and Film PP 1.0uF 100V +/-3% 15x50 Axial RoHS |
1.5uF | WMH Aluminum Foil and Film PP 1.5uF 100V +/-3% 17x50 Axial RoHS |
1.8uF | WMH Aluminum Foil and Film PP 1.8uF 100V +/-3% 15x58 Axial RoHS |
2.0uF | WMH Aluminum Foil and Film PP 2.0uF 100V +/-3% 16x58 Axial RoHS |
2.2uF | WMH Aluminum Foil and Film PP 2.2uF 100V +/-3% 17x58 Axial RoHS |
2.7uF | WMH Aluminum Foil and Film PP 2.7uF 100V +/-3% 18x58 Axial RoHS |
3.0uF | WMH Aluminum Foil and Film PP 3.0uF 100V +/-3% 17x75 Axial RoHS |
3.3uF | WMH Aluminum Foil and Film PP 3.3uF 100V +/-3% 18x75 Axial RoHS |
3.9uF | WMH Aluminum Foil and Film PP 3.9uF 100V +/-3% 19x75 Axial RoHS |
4.0uF | WMH Aluminum Foil and Film PP 4.0uF 100V +/-3% 20x75 Axial RoHS |
4.7uF | WMH Aluminum Foil and Film PP 4.7uF 100V +/-3% 21x75 Axial RoHS |
5.0uF | WMH Aluminum Foil and Film PP 5.0uF 100V +/-3% 21x75 Axial RoHS |
5.6uF | WMH Aluminum Foil and Film PP 5.6uF 100V +/-3% 22x75 Axial RoHS |
6.0uF | WMH Aluminum Foil and Film PP 6.0uF 100V +/-3% 22x85 Axial RoHS |
6.8uF | WMH Aluminum Foil and Film PP 6.8uF 100V +/-3% 23x85 Axial RoHS |
7.0uF | WMH Aluminum Foil and Film PP 7.0uF 100V +/-3% 23.5x85 Axial RoHS |
8.0uF | WMH Aluminum Foil and Film PP 8.0uF 100V +/-3% 24x85 Axial RoHS |
8.2uF | WMH Aluminum Foil and Film PP 8.2uF 100V +/-3% 25x85 Axial RoHS |
9.0uF | WMH Aluminum Foil and Film PP 9.0uF 100V +/-3% 27x85 Axial RoHS |
10.0uF | WMH Aluminum Foil and Film PP 10.0uF 100V +/-3% 28x85 Axial RoHS |
WEET WMH Pure Aluminum Foil and Film Polypropylene PP Capacitors Winding:
Aluminum foil spliced to polypropylene insulation film. (a layer of pure Aluminum foil and a layer of PP film).
Other Factory Silver Plated Foil and MKP Film Audio Capacitors (Only one layer silver plated metallized polypropylene film )
WEE Technology Company Limited - WEE are Capacitors Specialis
Here we would like to introduce the best welcoming audio capacitor WME series to all of the audiophilers.
Overview:
WEET WME MKP metallized polypropylene capacitors your standard choice for all of your loudspeaker projects! This high-quality Premium Audio film capacitor provide perfect sound quality.
Product Description:
WEET WME axial metallized polypropylene film capacitor is made of vacuum aluminum plated polypropylene film as the combination of dielectric and electrode. The electrode is led out by tinned copper wire and filled with 94V-0 epoxy resin. Capacitance range from 0.1uF~100uF, rated voltage is 400V.DC. Well, after plenty of burn-in time (that they need to open-up) they deliver a wide and open sound stage. Nice and neutral, WEET WME Premium sounds quite organized when compared with other standard MKP's in this price range. Like all basic MKP's they can get a bit muddled when complex programme material is fed to them but they do have a certain tidiness to them which makes them go further before that sets in. The WME Premium is reasonably well balanced and neutral and in a positive way nothing sticks out. This works especially well on recordings of jazz-trio's or other small ensembles making it easier to pick out the details. The Clarity Cap SA and ESA will give you more image depth and richer harmonic overtones and the Mundorf EVO Oil will give you sharper leading edges to notes but it must be stated that those capacitors are in a higher price bracket. It is just to give you an idea in what sound quality range we are looking at here.
Common and popular vales in WME series:
| WME-400V | WME Precision Metallized Polypropylene Film Capacitors MKP Axial, OD*L:+/-1mm |
| 1.0uF | WME Precision Met Polypropylene 1.0uF ±5% 400V OD*L:13.5*24mm Axial RoHS |
| 1.5uF | WME Precision Met Polypropylene 1.5uF ±5% 400V OD*L:13.5*30.5 Axial RoHS |
| 1.8uF | WME Precision Met Polypropylene 1.8uF ±5% 400V OD*L:15.5*30.5 Axial RoHS |
| 2.2uF | WME Precision Met Polypropylene 2.2uF ±5% 400V OD*L:16.5*30.5 Axial RoHS |
| 2.5uF | WME Precision Met Polypropylene 2.5uF ±5% 400V OD*L:17.5*30.5 Axial RoHS |
| 2.7uF | WME Precision Met Polypropylene 2.7uF ±5% 400V OD*L:18*30.5 Axial RoHS |
| 3.3uF | WME Precision Met Polypropylene 3.3uF ±5% 400V OD*L:19.5*30.5 Axial RoHS |
| 3.9uF | WME Precision Met Polypropylene 3.9uF ±5% 400V OD*L:21.5*30.5 Axial RoHS |
| 4.7uF | WME Precision Met Polypropylene 4.7uF ±5% 400V OD*L:18.5*45 Axial RoHS |
| 5.6uF | WME Precision Met Polypropylene 5.6uF ±5% 400V OD*L:20*45 Axial RoHS |
| 6.8uF | WME Precision Met Polypropylene 6.8uF ±5% 400V OD*L:22*45 Axial RoHS |
| 7.5uF | WME Precision Met Polypropylene 7.5uF ±5% 400V OD*L:23*45 Axial RoHS |
| 8.2uF | WME Precision Met Polypropylene 8.2uF ±5% 400V OD*L:24.5*45 Axial RoHS |
| 10uF | WME Precision Met Polypropylene 10uF ±5% 400V OD*L:27*45 Axial RoHS |
| 12uF | WME Precision Met Polypropylene 12uF ±5% 400V OD*L:29.5*45 Axial RoHS |
| 15uF | WME Precision Met Polypropylene 15uF ±5% 400V OD*L:32.5*45 Axial RoHS |
| 18uF | WME Precision Met Polypropylene 18uF ±5% 400V OD*L:32*55 Axial RoHS |
| 20uF | WME Precision Met Polypropylene 20uF ±5% 400V OD*L:33.5*55 Axial RoHS |
| 22uF | WME Precision Met Polypropylene 22uF ±5% 400V OD*L:35.5*55 Axial RoHS |
| 25uF | WME Precision Met Polypropylene 25uF ±5% 400V OD*L:37.5*55 Axial RoHS |
| 27uF | WME Precision Met Polypropylene 27uF ±5% 400V OD*L:39*55 Axial RoHS |
| 30uF | WME Precision Met Polypropylene 30uF ±5% 400V OD*L:41*55 Axial RoHS |
| 33uF | WME Precision Met Polypropylene 33uF ±5% 400V OD*L:43*55 Axial RoHS |
WEE Technology Company Limited - WEE are Capacitors Specialist
Do you know what the differences between WEET WME and WMF series are and what they are in common?
WME - Premium Music Film Capacitors:
WMF Precise Audio Film Capacitors:
Well, the size capacitance and voltage are the same for these two series.
WME is filled with white epoxy and white plastic sleeve with blue oil marking, WMF is filled with red epoxy and red plastic sleeve with black oil marking, the marking description is different too.
Most important difference is that MWF has lower DF than WME, even though WME already with low DF. For each item there is a specific DF value, please refer to our datasheet for details.
MKP Polypropylene CBB19 0.1uF ±5% 400V OD*L:6.5*18mm Axial RoHS
MKP Polypropylene CBB19 0.22uF ±5% 400V OD*L:8.5*18mm Axial RoHS
MKP Polypropylene CBB19 0.33uF ±5% 400V OD*L:10*18mm Axial RoHS
MKP Polypropylene CBB19 0.47uF ±5% 400V OD*L:9.5*24mm Axial RoHS
MKP Polypropylene CBB19 0.56uF ±5% 400V OD*L:10.5*24mm Axial RoHS
MKP Polypropylene CBB19 0.68uF ±5% 400V OD*L:11.5*24mm Axial RoHS
MKP Polypropylene CBB19 0.82uF ±5% 400V OD*L:12.5*24mm Axial RoHS
MKP Polypropylene CBB19 1.0uF ±5% 400V OD*L:13.5*24mm Axial RoHS
WEE Technology Company Limited - WEE are Capacitors Specialist
Firstly, we share some customer’s feedback about WEET WMW Pure Copper Foil Capacitor.
All in all, excellent product, well made and very happy thus far with the sound quality.The WEET Pure Copper Cap is very suitable for audio individual instruments. Very nice and coherent sounding with rich natural harmonics. The WEET Pure Copper Capacitor has a perfect balance between warmth and detail. The amount of detail and spatial information lets you hear the acoustics of the recording venue well.
You may be familiar with above testing review of Pure Copper Capacitor, which is true, because Audyn True Copper Caps are the same sound quality with WEET WMW Pure Copper Foil Capacitor. If you doubt about it, you should have a try and hear by yourself.
But considering of these European brands price, there is very small amount of customer who will be buyers. However, in the terms of price, WEET absolutely win. In order to compete with them and earn more market shares, WEET decided to do non-profit project for a period. From June to August, all the customers will enjoy 10% discount of the original price for WMW Pure Copper Foil Capacitor. First come, first served.
WEE Technology Company Limited - WEE are Capacitors Specialist
WEET is one of the oldest capacitors factory in China mainland and with a part of staffs in Taiwan development center, for pure aluminum foil capacitors, we manufactured the core part in our Taiwan office, and then assembly in Dongguan factory.
Now, we have introduced new machines for aluminum film and foil capacitors in our Dongguan factory and invited our chief engineer from Taiwan to our workshop to guide and train domestic operators. After nearly 6 months training and production line running, we are glad to share the news that we have successfully finished all the aluminum film and foil capacitor manufacturing process.
With this great achievement, we have saved a large amount of labor cost and transportation fee in Taiwan office, so it is a right now to lower down capacitors cost and provide more favorable price to our customers, please do not miss this opportunity. If you are in need of high end audio capacitors, contact with WEET as early as you can. We are ready to serve you at any time.
Do you want to see your own designed marking and trademark on your capacitors?
Do you have interest to change a pair of music capacitors in your speaker or audio application?
Do you think it is possible to order one piece of audio capacitor from real Chinese factory?
Do you doubt about the sounding quality as the price is much lower than the big brands?
Please kindly and patiently see below answers to above questions:
WEET is quite flexible in markings, with WEET standard marking, the MOQ can begin with one piece, but we also can do your markings with request MOQ for different series. For Foil and Film capacitors, we start with 10 pieces with your logo. As we know most of the capacitors from European brands are very expensive, actually some of them are OEM in China factories. To be frank, we have done OEM service for many years, so we have confidence in sounding quality.
Finally, we are the end factory and well control of the raw material cost, so price will be very affordable to most of the end users. Welcome to try WEET audio capacitors.
WEE Technology Company Limited - WEE are Capacitors Specialist
WEET 2021 Spring Festival Holiday Notice Best Sounding Capacitors for Speaker Crossover
How time flies, and how lucky we are , we have successfully survived from 2020. In 2020，people all over the world experienced corona virus epidemic.
At the beginning, China is the most serious country, we were all frighted. Later, China made great achievement in controlling the epidemic situation.
For factories, the peak season starts in July 2020 and keep increasing to the end of 2020. This is really a good symbol and prosperous sign of 2021.
Let us welcome the coming of 2021 and work together.
Below is WEET 2021 Spring Festival Holiday Notice. Please send inquiry as usual, our sales engineer will reply you at any time. 
WEE Technology Company Limited - WEE are Capacitors Specialist
WMW Pure Copper Foil and Film Polypropylene Capacitor Cross reference to below brands, welcome your enquiry and testing samples.
Jupiter Copper Foil and Wax Paper Capacitor
Audyn True Copper Cap Copper Foil Capacitor
Angela Copper Foil Paper In Oil Capacitor
Cicada Audiophile Pure Copper Foil with Polypropylene Capacitor
Miflex KFPM and Arizona kaktus Blue Copper Foil Capacitor
WEE Technology Company Limited - WEE are Capacitors Specialist
Metal film capacitor, structure and characteristics of several common capacitors
Capacitors are commonly used electronic components in electronic equipment. In the previous article, we understand why capacitors can be connected with alternating current and blocking direct current and many kinds of capacitors are also mentioned, but there is no detailed description of various capacitors. Next, we briefly introduce the structure and characteristics of several common capacitors for your reference.
1. Aluminum electrolytic capacitor:
It is made of aluminum cylinder as negative electrode, which is filled with liquid electrolyte and inserted with a bent aluminum strip as cathode. It also needs to be treated by DC voltage to form a layer of oxide film on the positive plate as the medium. It is characterized by large capacity, but large leakage, poor stability and positive and negative polarity. It is suitable for power filter or low frequency circuit. When using, the positive and negative pole should not be reversed.
2. Tantalum niobium electrolytic capacitor:
The anode is made of tantalum or tantalum oxide. Its characteristics are: small volume, large capacity, stable performance, long life, high insulation resistance. Good temperature performance, used in higher requirements of equipment.
3. Ceramic capacitor:
Use ceramics as the medium. Silver coating was sprayed on both sides of the ceramic substrate, and then the silver film was fired as the electrode plate. Its characteristics are: small size, good heat resistance, small loss, high insulation resistance, but small capacity, suitable for high frequency circuit. Ferroelectric ceramics are suitable for low frequency circuits because of their large capacitance, high loss and high temperature coefficient.
4. Mica capacitor:
The electrode plate is made by metal foil or spraying silver layer on mica sheet. The electrode plate is laminated with mica layer by layer, and then it is made by die casting in Bakelite powder or sealing in epoxy resin. It is characterized by small dielectric loss and large insulation resistance. Low temperature coefficient, suitable for high frequency circuit.
5. Film capacitor:
The structure is the same as that of paper capacitor, and the medium is polyester or polystyrene. Polyester film capacitor, with high dielectric constant, small volume, large capacity and good stability, is suitable for bypass capacitor. Polystyrene film capacitor, with low dielectric loss, high insulation resistance and high temperature coefficient, can be used in high frequency circuit.
6. Paper capacitor:
The electrode is made of two pieces of metal foil, sandwiched in a very thin capacitor paper, rolled into a cylindrical or flat cylindrical core, and then sealed in a metal shell or insulating material shell. It is characterized by small volume and large capacity. But the inherent inductance and loss are relatively large, suitable for low-frequency circuit.
7. Metallized paper capacitor:
The structure is basically the same as the paper capacitor. It is covered with a layer of metal film on the capacitor paper to replace the metal foil. It is small in size and large in capacitance. It is generally used in low-frequency circuits.
8. Oil impregnated paper capacitor:
it is to immerse paper capacitor in specially treated oil to enhance its withstand voltage. It is characterized by large capacitance, high voltage withstand, but large volume. In addition, in practical application, firstly, different types of capacitors should be selected according to different uses; secondly, the nominal capacity of capacitors, allowable error, withstand voltage value, leakage resistance and other technical parameters should be considered; thirdly, for electrolytic capacitors with positive and negative polarity, the positive and negative electrodes should not be connected in reverse when welding.
WEE Technology Company Limited - WEE are Capacitors Specialist
Today we would like to share the difference of WMH WMW WMJ and WME to all of our customers, thank you.
WMH and WMW list Metalized PP along with foil...??
---> Yes. Thank you. We call it as foil with PP dielectric insulation, Metallized polypropylene film as medium and electrode
-How are they metalized?
---> WMW Copper foil spliced to polypropylene insulation film layer by layer, WMH Aluminum foil spliced to polypropylene insulation film layer by layer.
-How does the WMJ differ from the WME besides being potted in a Copper tube?
---> Except the external layer, the structure and the PP material are the same
-How are the WMH, WMJ, and WMW terminated on the end of the winding?
---> The end of the winding machine is formed by a winding machine, because the winding machine has a soldering iron head. When it reaches the end, it will burn off the metal, which will turn into plastic. When the plastic is heated, it will be packaged together.
-Do the WMC, WME, and WMF all use the same film, Are all three made with the same welded layer, and lead?
---> Yes, they use same Polypropylene film, but WMC Polypropylene film raw material is from China mainland, WME and WMF Polypropylene film raw material is imported from overseas.
At the same time, the DF factor control standard is different too. The welded layer and lead are the same.
