Elecsound Blog

Elecsound is a manufacturer of trimming potentiometers, pcbs, capacitors, leds and resistors

Electronic Components-Capacitor

Capacitors are common components in electronic circuits. They block the effects of direct current but allow the effects of alternating current, thus giving them many uses, such as filtering noise and smoothing electrical signals. A surface mount capacitor lacks traditional wire leads. Instead, it has metallic ends that can be soldered directly onto circuit boards.
Elecsound is manufacturer of capacitors. We mainly strong in tantalum capacitors, ceramic capacitors, film capacitors and Aluminum Electrolytic Capacitors.
Tantalum capacitors
Elecsound can offer tantalum capacitors with dipped type and SMD type. we offer very attractive prices for this.
ceramic capacitors
Elecsound is a manufacturer and very speciallized in ceramic capacitors, including: disc ceramic capacitors,high voltage disc ceramic capacitors, Radial, Axial and SMD multilayer ceramic capacitors, Y1 and Y2 ceramic capacitors as well as ceramic trimmer capacitors, we offer high quality with competitive prices, lead free and speedy delivery in 3–5 days. can offer tantalum capacitors with dipped type and SMD type.
Disc ceramic capacitors low voltage
Disc ceramic capacitor high voltage
AC Safe Ceramic Capacitor Y1 and Y2
Radial Multilayer ceramic capacitors
Axial Multilayer ceramic capacitors
Chip Multilayer ceramic capacitors
6mm ceramic trimmer capacitors
5mm ceramic trimmer capacitors 
Film capacitor
Elecsoud offer many kinds for film capacitors. We offer polyester film capacitors and popypropylene film capacitor.  Radial and Axial type. below is our series. And we can offer speedy deliver with competitive prices:
CL11 Polyester film capacitor
CL21 Metallized polyester film capacitor
CL21X Miniaturized metallized polyester film capacitor
CL62 Metallized polyester film capacitor for AC use
CBB13 Polypropylene film capacitor
CBB20 Axial-type metallized popypropylene film capacitor
CBB21 Metallized polypropylene film capacitor
CBB62 Metallized polypropylene film capacitor for AC use
CBB81 High-voltage Metallized polypropylene film capacitor
Metallized Polyproplene Film Capacitor X2
Radial Aluminum Electrolytic Capacitor
Elecsound offer a wide range for radila type Aluminum Electrolytic Capacitor . Such as 5mm, 7mm and 11mm. Non polar, bi polar, Low leakage, Low Impedance Aluminum Electrolytic Capacitor. Pls check below list. 
CD50S Radial 5mm Height Aluminum Electrolytic Capacitor
CD50BP Radial 5mm Height Non Polarize Aluminum Electrolytic Capacitor
CD50H Radial 105oC,5mm Height Aluminum Electrolytic Capacitor
CD11C Radial 7mm Height Aluminum Electrolytic Capacitor
CD70H Radial 105oC,7mm Height Aluminum Electrolytic Capacitor
CD71C Radial 7mm Height Bi-polar Aluminum Electrolytic Capacitor
CD71 Radial General,Bi-pollar Aluminum Electrolytic Capacitor
CD71H Radial 105oC,Bi-pollar Aluminum Electrolytic Capacitor
CD110 Radial Genaral ,Miniaturized Aluminum Electrolytic Capacitor
CD110X Radial General,SuperMiniaturize Aluminum Electrolytic Capacitor
CD263 Radial 105oC,General,for switching power supplies   Aluminum Electrolytic Capacitor
CD263X Radial 105oC,Miniaturized,for switching power supplies   Aluminum Electrolytic Capacitor
CD267 Radial Large Sized for Radial Aluminum Electrolytic Capacitor
CD11H Radial For Electronic Ballast Aluminum Electrolytic Capacitor
CD264 Radial 105oC,For Electronic Ballest,Power Supply,long life  Aluminum Electrolytic Capacitor
CD266 Radial 105oC,For Electronic Ballest,Power Supply,long life   Aluminum Electrolytic Capacitor
CD261 Radial 105oC Long Life Aluminum Electrolytic Capacitor
CD11G Radial 125oC,High Temperature,long life  Aluminum Electrolytic Capacitor
CD289 Radial 105oC,Miniaturized,Low Impedance Aluminum Electrolytic Capacitor
CD286 Radial 105oC,Low Impedance Aluminum Electrolytic Capacitor
CD287 Radial 105oC,Low Impedance,long life Aluminum Electrolytic Capacitor
CD281 Radial 105oC,Low Impedance,long life Aluminum Electrolytic Capacitor
CD282 Radial 105oC,Extra Low Impedance,long life Aluminum Electrolytic Capacitor
CD283 Radial 105oC,Extra Low Impedance Aluminum Electrolytic Capacitor
CD265 Radial 125oC,1000 Hours Aluminum Electrolytic Capacitor
CD269 Radial 125oC,2000 Hours Aluminum Electrolytic Capacitor
CD117 Radial Low Leakage Current Aluminum Electrolytic Capacitor
CD117H Radial Low Leakage Current Aluminum Electrolytic Capacitor
CD71A Radial For Speaker Network Aluminum Electrolytic Capacitor
CD71S Radial For Horizontal Deflection Aluminum Electrolytic Capacitor
CD11A Radial For Hi-Fi audio Aluminum Electrolytic Capacitor
CD171 Radial For Photo Flash Aluminum Electrolytic Capacitor
Snap-In, large size of Aluminum Electrolytic Capacitor
Elecsound can offer Snap-in, large size type of Aluminum Electrolytic Capacitor . pls check carefully for below series:
CD291 Snap-In  General, Miniaturized
CD292 Snap-In  General, Miniaturized
CD293 Snap-In  General, Miniaturized
CD295 Snap-In General, Miniaturized,    Longlife
CD294 Snap-In 105oC,Miniaturized    
CD296 Snap-In 105oC,Miniaturized,Longlife
CD297 Snap-In 105oC,Miniaturized,Longlife    
CD29S Snap-In 105oC,Laminated Case Series
CD299 Snap-In 105oC,High Ripple Current,Longlife
CD13 Lug General, Miniaturized    
CD17 Lug For Photo Flash
CDIN Lug For Air Conditioner
CDPC Lug,Snap-In For P.F.C Circuit   
CD135 Screw General, Miniaturized
CD136 Screw 105oC,Longlife
CD138 Screw Gerneral,Longlife
CD135X Screw Miniaturized
CD137 Screw Long life for inverter
CD139 Screw 105oC,For inverter
CD13L Screw Extra long life for inverter
CD60 Lug For Motor Starting  
SMD Aluminum Electrolytic Capacitor
Elecsound can offer almost all kinds of chip Aluminum Electrolytic Capacitor . our products are very high quality as Japan brand but much low prices than Japan brand. if you need pls check below info:
SS Standard 85C SMD Aluminum Electrolytic Capacitor
SC Low leakage current  SMD Aluminum Electrolytic Capacitor
HT  Wide temperature 105C SMD Aluminum Electrolytic Capacitor
NP Non-polarized SMD Aluminum Electrolytic Capacitor
KP Non-polarized with wide temperature SMD Aluminum Electrolytic Capacitor
LZ Low impedance SMD Aluminum Electrolytic Capacitor
KZ Extra lower impedance SMD Aluminum Electrolytic Capacitor
FZ Long life extra impedance SMD Aluminum Electrolytic Capacitor
EL Long life assurance SMD Aluminum Electrolytic Capacitor
KL 5000 hours load life SMD Aluminum Electrolytic Capacitor
KH  High reliability SMD Aluminum Electrolytic Capacitor

Chip Multilayer Ceramic Capacitors

Would you please check if you need chip ceramic capacitors? Elecsound can offer you very attractive price and good quality. For small qty and standard items, we usually have stock on hand. For some unusual items which no stock. lead time is only 7–10 working days. Could you pls check if you have such inquiry to me?
EC5 Chip Multilayer ceramic capacitors 50V
Offer 0402, 0603, 0805, 1206 case.16V, 25V and 50V.
material: NPO, X7R and Y5V
EC6 high voltage Chip Multilayer ceramic capacitors
Offer 0603, 0805, 1206, 1210, 1808, 1812, 2220 and 2225 size
Voltage: 100V, 200V, 250V, 500V, 1kv, 2KV and 3KV
Elecsound is very strong in high voltage multilayer ceramic capacitors.  Below price for your reference:
0.015uF 250v 1206 X7R 10% Price; USD19/kpcs only.
If you want to know more about our attractive price. welcome to send me email.


Freescale Semiconductor (Freescale) and E Ink announced to jointly developed single-chip system (SoC) solution for the e-book reader application and integrate Freescale’s i.MX processor technology with E Ink’s Vizplex display controller. The relationship for the eBook market is expected to reduce costs and expand the scope of the external support of electronic components, also inspire more creative new products, such as electronic newspapers, tablet computers, notebook computers, sub-screen, electronic notes books and electronic dictionaries.
Vice president of marketing from E Ink ,Sriram Peruvemba said: “Our goal is to provide the best digital reading experience for global, E Ink and Freescale’s joint development work will be detonated in several emerging markets, including electronic newspapers and electronic textbooks.” According to report from DisplaySearch in 2009, shipments of e-books are expected to be 75 million units in 2018  from 1 million units in 2008 ,the total market value will reach about 38 million. Market-driven factors include new e-book in market , international popularity of e-books ,the expecting cutting price ,the electronic of newspaper and printed books.Field marketing director from Freescale, Glen Burchers said: “Because of The processors of e-books from Freescale  with E Ink’s electronic paper display controller (using i.MX processor technology), we can develop a cheap, stylish compact electronic book. “Vice President of Prime View International ,Johnson Lee, said:” We are very happy to see this cooperation. The demand for electronic paper screen electronic paper screen has far exceeded the most optimistic market expectations, there are many global companies to enter the new e-book market. The cooperation between E Ink and Freescale is expected to add new impetus to this trend. “

Samsung-Electronics will-increase-investment-in-memory-chips

It is reported CEO of Samsung Electronics, Choi Gee-sung said on July 25th Samsung Electronics would intend to increase its investment in memory chip; although the uncertainty of global economy inhibits the market demand for electronic components, but Samsung will not reduce the company’s total investment at the second half of this year.The industry believes that Choi Gee-sung’s comments are response to its competitors who have cut investment. It is reported that, with the debt crisis in Europe and the United States furtherly suppress the prices of memory chips, flat panel display,computers and television, many electronics manufacturers have chosen to cut investment. “Our investment for memory chips at the second half of this year is bigger than originally planned,besides, we do not reduce the company’s total capital investment at the second half.” Choi Gee-sung yesterday said to the media at an industry conference held in Seoul,which is the capital of South Korean. Choi Gee-sung said: “We will not make investment plans just based on one year’s service.” The Choi Gee-sung so-called “year of business expectations” means the uncertainty of market demand for memory chips.
The rival of Samsung Electronics,LGDisplay announced last week  they will cut expenditure in 2011 to 4000 to 4500 billion won which is reduced about 18%. Last week, LGDisplay released its  loss of consecutive quarterly earnings for third quarter.As Samsung is the world’s largest memory chip maker at present while is also the world’s second largest mobile phone maker. The costs of Samsung in the first quarter in 2011 is about 5.5 trillion won. In April of this year, Samsung released financial report for the first quarter in 2011. Samsung said that they will consider increasing the amount of capital spending in 2011 based on the expected market demand of electronic components. According to Data from Samsung ,the budget for investment of Samsung in 2011 is about $ 2.3 trillion won.In addition, Samsung will release  its second-quarter earnings on Friday. Samsung had said earlier this month, the company’s profit at second quarter in 2011 will be reduced to 3.7 trillion won, while Samsung LCD flat panel display business will once again suffer a loss.


A push button switch is used to either close or open an electrical circuit depending on the application. Push button switches are used in various applications such as industrial equipment control handles, outdoor controls, mobile communication terminals, and medical equipment, and etc. Push button switches generally include a push button disposed within a housing. The push button may be depressed to cause movement of the push button relative to the housing for directly or indirectly changing the state of an electrical contact to open or close the contact. Also included in a pushbutton switch may be an actuator, driver, or plunger of some type that is situated within a switch housing having at least two contacts in communication with an electrical circuit within which the switch is incorporated. Typical actuators used for contact switches include spring loaded force cap actuators that reciprocate within a sleeve disposed within the canister. The actuator is typically coupled to the movement of the cap assembly, such that the actuator translates in a direction that is parallel with the cap. A push button switch for a data input unit for a mobile communication device such as a cellular phone, a key board for a personal computer or the like is generally constructed by mounting a cover member directly on a circuit board. Printed circuit board (PCB) mounted pushbutton switches are an inexpensive means of providing an operator interface on industrial control products. In such push button switches, a substrate which includes a plurality of movable sections is formed of a rubber elastomer. The key top is formed on a top surface thereof with a figure, a character or the like by printing, to thereby provide a cover member. Push button switches incorporating lighted displays have been used in a variety of applications. Such switches are typically comprised of a pushbutton, an opaque legend plate, and a back light to illuminate the legend plate.


A toggle switch is a switching device comprising a plurality of terminals and means operated by a projecting leve for making and breaking electrical connections between pairs of those terminals. Toggle switches of various types have long been used to control power in domestic, commercial, industrial, and military applications for operating various electrical devices and equipment. Toggle switches typically are manufactured with a dielectric housing that contains electrical contacts and is fitted with a manually operable handle to switch power to externally mounted terminals. Toggle switches typically provide a manually accessible member which has metastability in a first position and a second position. A toggle switch includes a toggle lever that is mounted to a cover or housing so as to pivot about an axis or the like. A spring is placed in contact with the toggle lever to exert a biasing force to maintain the toggle lever in one or more stable positions, in addition to maintaining or assisting in the maintenance of a force on electrical contacts that are being switched into contact.


A rocker switch is a device having a plurality of terminals and means operated by a rocker for making and breaking electrical connections between pairs of those terminals. A rocker switch includes a button that is mounted to a case to pivot about an axis. A spring is typically placed in contact with the button to exert a biasing force that will maintain the button in one or more of the stable positions. The plunger operates a rocker actuator by a force exerted from the spring. The spring also supplies the force that causes the switch to toggle from one stable position to another. In general, the rocker switch is constructed such that its switch components or parts are housed in a square or rectangular housing the top of which is open and an operation button is mounted at the opening space of the box at the top thereof such that it can be moved for seesaw movement. The rocker switches are used in various kinds of OA machines, amusement and game machines, measurement instruments, and medical instruments.


Liquid level sensing devices are often used to indicate the level of liquid in a vessel or other container and/or to operate flow control devices that control the liquid level. The level detection is based on different principles. There are known mechanical, electromechanical and hydrostatic level switches, ultrasonic level switches, capacitive and conductive level switches, microwave level switches, optical and radiometric level switches. Mechanical and electromechanical level switches are suitable for liquids only. Mechanical and electromechanical level switches usually incorporate a float buoy for sensing the fluid level, the float buoy being operatively connected to a switch device. The electrical switch is actuated upon physical movement of the portion of the float switch device containing the electrical switch or upon physical movement of another portion of the float switch device. A capacitance point level switch is operable to sense a specific level of the material in the vessel and provide a discrete output, such as with a relay contact, when the material is at a sufficient level to cause the capacitance between the probe and the reference to exceed a reference value. The capacity of the measuring capacitor within a sensor varies according to the surface level displacement of the material contained in a tank.


Electrical snap action switches operate on the arched elastic sheetmetal member principle, and provide snap actions in response to changes in pressure exerted upon the arch. A conventional snap action switch conducts upon mechanical contact between a metal snap action plate and metal pins (or conductors on a printed circuit board). In such a snap action switch, switch closure is recognized by detecting an electrical short between pins. Pneumatic snap action switches have a diaphragm and two or more electrical contacts arranged inside the switch body and sealed by the diaphragm so that upon a particular pressure being applied the internal contacts close and the switch performs its desired function. A subminiature snap action switch is characterized by an actuator lever which causes a coil spring in a pivot bracket assembly to open or close a pair of electrical contacts. Single pole snap action dome or oil can switches have been used to provide reliable electrical switch contacts in relatively low-current apparatus, for example electronic calculators or computers. Such switches have typically utilized a dome-shaped switch element to make and break electrical contact with an associated underlying conducting contact.


Many types of machinery are operated by switches adapted to be actuated by the foot of the machine operator. Foot operated switches for controlling the application of electrical power to external electrical circuits are widely employed in industry. For example, foot switches are often used to trigger the delivery of laser energy in a medical laser system. Foot actuated pneumatic switches are often used in the food equipment industry to obtain precise hands-free operation of the desired food equipment, such as a meat mixer-grinder. The conventional type of foot switch generally comprises a pressure-contact switch disposed in a vertical position and directly controlled by a pressure cap to connect or disconnect electricity. Foot operated switches generally use mechanical or pneumatically actuated switches. Mechanically actuated foot switches are typically either of the plunger or push button type, or the tumbler type. Pneumatically actuated foot switches usually comprise a deformable pneumatic bulb, or air cushion, which is deformed by the foot of the user to operate a remotely located switch mechanism. When depressed, the actuator creates a burst of pressurized air which passes through a hose, tubing or other path to flip a pressure operated switch thereby initiating operation of a piece of equipment. A typical foot switch comprises a base carrying a switch having at least one electrical contact which is capable of moving between an open position and a closed position upon depression of a pedal member pivotably mounted on the base. The switch contacts receive conductors which pass externally of the base for connection to an external circuit.  


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