Before soldering the pads appear as solder balls, giving rise to the name. By placing the pads underneath the package there is more room for them, thereby overcoming some of the problems of the very thin leads required for the quad flat packs. The ball spacing on BGAs is typically 1.27 mm.

SOT-223 - Small Outline Transistor. This package is used for higher power devices. It measures 6.7 mm x 3.7 mm x 1.8 mm. There are generally four terminals, one of which is a large heat-transfer pad.

Of these sizes, the 1812, and 1206 sizes are now only used for specialized components or ones requiring larger levels of power to be dissipated The 0603 and 0402 SMT sizes are the most widely used.

If the surge is of a low current relative to its voltage intensity, the capacitor will absorb it. If the surge has high current, the capacitor cannot absorb it.

The main advantage of a capacitor is that there is no time delay in turning on as it always conducts. The disadvantage is that the amount of current it can handle is limited to a few amps, depending on the surge voltage. For this reason, an arrestor should always be installed with a capacitor to protect it from intense surges.

In the original Counterpoint gear for the upgrades, use different capacitors depending on the unit being upgraded, and the desired cost/benefit ratio.

Below introduce you High Voltage Ceramic Capacitors – TS16

Use for coupling, and by-pass circuit there are a stable and high reliability products.

High Voltage Ceramic Capacitor Specifications:
Operating Condition Range: -25℃ to +85℃
Rated Working Voltage: 1 KV 50KVDC
Capacitance Range: 100pF - 10,000pF
Test Voltage: 2 times of the rated voltage.
Insulation Resistance: 10,000 mΩ or 200 mΩ whichever is the smaller

For more details please contact us. We are waiting for your inquires.

Suntan offer the high stability Quartz Crystal. So you don’t miss to know more about capacitors in Suntan. Welcome to send the inquire for us and call us to send the capacitors samples for your good view.

The most well known form of Ohm's law is V=IR, where V is the voltage, I is the current and R is the resistance. However there is another form of Ohm's law which often used by physicists that operates on a microscopic level, relating the current density J to the conductivity σ and the electric field, E.

To see how consider, the volume of material with faces of area A a distance I apart. With an e.m.f. V across the faces of the material:

the current is proportional to the voltage V
the current is proportional to the surface area A
and the current is inversely proportional to the distance I.
The current is therefore,

I = VAσ/I.

R = I/Aσ

The proportionality constant σ is the conductivity of the material.

V/I = |E|, and J = I/A in the direction of E so in general we have the constitutive relation.

J = σE

To give some idea of how much energy electrical items consume the table below lists various electrical appliances and their power ratings.

The actual cost of running all this equipment depends on how much a kilowatt of power costs and how long you use each appliance. However, it is clear that the most power hungry appliances are those used for heating things. What is surprising, is the high power consumption of LCD televisions in comparison to traditional CRTs.

Super Capacitors could find applications such as temporary back-up power supplies in the electrical power grid or providing the initial burst of energy to get electric cars moving.

When you connect the meter's probes to the capacitor in reverse, you will note that current once again flows for a moment. Once again, when the capacitor has fully charged, the current stops flowing. So the capacitor can be used as a filter that blocks DC current. (A "DC cut" filter.)

However, in the case of alternating current, the current will be allowed to pass. Alternating current is similar to repeatedly switching the test meter's probes back and forth on the capacitor. Current flows every time the probes are switched.

The breakdown voltage is the voltage that when exceeded will cause the dielectric (insulator) inside the capacitor to break down and conduct. When this happens, the failure can be catastrophic.

In practice, most dielectric materials are solid. Examples include porcelain (ceramic), mica, glass, plastics, and the oxides of various metals. Some liquids and gases can serve as good dielectric materials. Dry air is an excellent dielectric, and is used in variable capacitors and some types of transmission lines. Distilled water is a fair dielectric. A vacuum is an exceptionally efficient dielectric.

Harmonic oscillator

The harmonic, or linear, oscillator produces a sinusoidal output. The basic form of a harmonic oscillator is an electronic amplifier with the output attached to an electronic filter, and the output of the filter attached to the input of the amplifier, in a feedback loop. When the power supply to the amplifier is first switched on, the amplifier's output consists only of noise. The noise travels around the loop, being filtered and re-amplified until it increasingly resembles the desired signal.

A piezoelectric crystal (commonly quartz) may take the place of the filter to stabilise the frequency of oscillation, this is called a crystal oscillator.

Relaxation oscillator

A relaxation oscillator produces a nonsinusoidal output, such as a square wave or sawtooth. The oscillator contains a nonlinear component such as a transistor that periodically discharges the energy stored in a capacitor or inductor, causing abrupt changes in the output waveform.

Square-wave relaxation oscillators are used to provide the clock signal for sequential logic circuits such as timers and counters, although crystal oscillators are often preferred for their greater stability. Triangle-wave or sawtooth oscillators are used in the time base circuits that generate the horizontal deflection signals for cathode ray tubes in analogue oscilloscopes and television sets. In function generators, this triangle wave may then be further shaped into a close approximation of a sine wave.

• Air - Often used in radio tuning circuits
• Mylar - Most commonly used for timer circuits like clocks, alarms and counters
• Glass - Good for high voltage applications
• Ceramic - Used for high frequency purposes like antennas, X-ray and MRI machines
• Super capacitor - Powers electric and hybrid cars

Our Suntan capacitors (St Trademark) have the good quality Mylar capacitors, the Mylar capacitor specifications for your kind short view.

Mylar Capacitor Specifications

• Operating Temperature: -40°C to + 85°C
• Rated Voltage: dc 100V,250V,400V,630V,1000V,1200V       
• Capacitance Range: 0.00027 to 0.47μf
• Capacitance Tolerance: ±5%, ±10%, ±20%
• Insulation Resistance: 0.1μf ≤30,000 mω min, >0.1μf >15000 mω
• Dissipation Factor: ≤0.1 (at 1KHz)
• Dielectric Strength: 200% of rated voltage for 5 Sec.

For example: If the leads from a battery touch one another they create a very low resistance connection across the battery, so we say they have caused a short circuit across the battery. Current will flow through this short circuit rather than through the proper circuit. This stops the circuit working and it may cause a fire because the leads and battery will become hot with a large current flowing.

Additionally, the capacitor may show its working voltage, temperature and other relevant characteristics.

For example: A capacitor with the text 473K 330V on its body has a capacitance of 47 x 103 pF = 47 nF (±10%) with a working voltage of 330 V.

The Suntan capacitors also have the numbers printed oncapacitors bodies to indicate their electrical characteristics.View the below pictures.

A varistor provides no equipment protection from inrush current surges (during equipment startup), from over current (created by a short circuit), or from voltage sags (also known as a brownout). A varistor neither senses nor controls such events. Susceptibility of electronic equipment to these other power disturbances is defined by equipment design. Protection from these power disturbances is installed inside that equipment or is provided by other external devices such as an UPS, some voltage regulators and Surge Protectors with built in over voltage protection that make use of a voltage sensing circuit and a relay for disconnecting the AC input when voltage reaches a danger threshold.

Suntan (St Trademark) Quartz Crystal is your best choose.Quartz Crystal have TSQ-HC49S;TSQ-HC49U;TSQ-HC49SMD series.

The dielectric will also need to be chosen to meet requirements such as insulation strength - it must be able to withstand the voltages placed across it with the thickness levels used. It must also be sufficiently stable with variations in temperature, humidity, and voltage, etc.

Although more costly than other dielectrics, mica is an ideal form of dielectric for very high performance capacitors such as silver mica capacitors. A summary of the properties of mica are given below:

Suntan (St Trademark) will be interested to provide you the Silver Mica capacitors.Such as :DM5;DM10;DM15;DM19;DM20;DM30;DM42.Any of your inquire please don't hesitate to contact us.We will reply you atthe first time and solve your problems.

Ceramic capacitors come in various shapes and styles, including:

• Disc, resin coated, with through-hole leads.
• Multilayer rectangular block, surface mount.
• Bare leadless disc, sits in a slot in the PCB and is soldered in place, used for UHF applications.
• Tube shape, not popular now.

Suntan (St Trademark) ceramic capacitors has various shapes and styles,Let me introduce to you.

• TS15 is Ceramic Disc Capacitor;
• TS16 is High Voltage Ceramic Capacitor;
• TS16L is Low D.F., Disc(A And B Series);
• TS16M is Mini Type Ceramic Capacitor;
• TS17 is Multilayer (mono) Axial & Radial;
• TS18 is Multilayer Ceramic Capacitor - SMD;
• TS18H is High Voltage Multilayer Ceramic Capacitor - SMD.

Any if you are interested in our ceramic capacitors, you can send the inquiry to us,we will try our best to meet your requests.

There are two types of electrolytics:Aluminum and Tantalum.Our suntan capacitors have this two types of electrolytics.Welcome to send the inquire for our suntan capacitors and we will send the datasheet for your kind review.

We will present our hot selling produts including Tantalum Capacitor -Dipped > SMD, Ceramic Capacitor--Disc type, high voltage > SMD type, Film Capacitor--Polyester, Polypropylene > X2 type, Electrolytic Capacitor--Snap in , Radial, Axial, Screw , SMD type 85'C, 105'C , BI-Polar, Non-Polar, Silver Mica capacitor, Ceramic Trimmer Capacitor , Varistor-Dipped > SMD type and Trimming Potentiometers .

This fair is the leading trade fair of this world for electronics from semiconductors, passives, electromechanical components, solutions for system peripheries, servo-technology all the way to printed circuit boards or EMS. From displays, sensor technology solutions, power supplies, electronic design (ED/EDA) to software for electronics. From the innovation drivers automotive, wireless, embedded and micronano all the way to medical technology.

• 10uF 16V 20% A Case
• 1uF 35V 20% B case
• 0.47uF 50V 20% C Case
• 47uF 10V 20% C Case
• 47uF 25V 20% D Case
• 100uF 6.3V 20% C Case
• 220uF 6.3V 20%D Case
• 330uF 4V 20% E Case
• 470uF 6.3V 20% C case

These Chip Tantalum Capacitor are with very good performance in different application field.

This November, our company will attend Electronica2008 in Munich, Germany. At this fair, we will strongly recommend our Tantalum Capacitors to visitors and customers from all over the world. Especially TS19 Dipped Tantalum Capacitor and and TS20 Chip Tantalum Capacitor will be our focus.From the sales performance of2008 first half year, the two Tantalum Capacitors bring us very good business and customers' comment to the two series is satisfactory , these bring us more confidence to expand our market for Tantalum Capacitors all over the world, especially in Europe and in America.

In order to assure use, tantalum capacitors stored for over two years or processedthrough dipping molten solder prior to using preferably applied rated voltage while inherent resistance of the power supply is not more than 3Ω(For Non-solidtantalum capacitor, connect a protection resistor of 1100Ω max., in series to the capacitor), and withstand aging at 85℃ for 4-8 hours, then make measurement. The lead terminals of non-polar tantalum capacitor are reversed once every onehour and measurement of DC leakage current is also conducted on the two lead terminals respectively.

Store the Tantalum Capacitor in the package not to be exposed to direct sunlight and dust. Store in the environment holding ordinary temperature (-10~+40℃) and ordinary humidity (80%R.H. or under).If left in the atmosphere of high temperature and high humidity for a long time, solderability of the terminals is decreased and performance of the capacitors is lowered.

Our TS20 Low ESR Chip Tantalum Capacitor can be used in Radar applications. In a radar system, the first power stage requied to hold up the microwave block must be efficiently filtered from the 28V bus. When looking for the maximum-capacitance/lowest-ESR options for radar, the LOW ESR Chip Tantalum Capacitor could be the best choice  because it has the optimum combination of Capacitorance and  ESR.  You could check our TS20L Chip Tantalum Capacitor spec and advise which items you are interested if you are in the radar system design and production field.

Film capacitors, as a category,  include any capacitor type made from plastic: polyester, polypropylene, polystyrene, etc. There are at least two types of film capacitors. Film-foil capacitors are constructed of layers (single or multiple) of plastic film dielectric wound alternately with metal foil electrodes. Metallized film capacitors are constructed of film dielectric on which the metal electrode has been previously vapor-deposited.  The layers are wound into a convoluted roll (jelly roll), with electrodes extending beyond the dielectric films.

Film capacitors are designed using a number of different dielectrics. Dielectrics are the insulating materials between the plates of the film capacitor. Materials are chosen for their ability to permit electrostatic attraction and repulsion to take place across the film.  Materials will have the property that energy required to establish an electric field is recoverable in whole or in part, as electric energy. In other words, good dielectric material is a poor conductor of electricity while being an effective supporter of electrostatic fields in film capacitors.  Common dielectrics used in film capacitors include polyester, polycarbonate, polypropylene and polystyrene. 

ceramic capacitors are manufactured using a tape casting process wherein thin layers of conductive electrodes are separated by a dielectric layer, and a kind of multi-layer “sandwich” is formed to create a ceramic capacitor with a very large surface area in a very compact size.  Recently, the combination of nickel electrodes and the ability to cast very thin layers has allowed the capacitance range of ceramic capacitors to exceed more than 100μF in an 1812 package, using X5R dielectric material.  With the ability to stack hundreds of layers to form a single high-density, high-capacitance multilayer ceramic capacitor, new application opportunities, that were previously the sole domain of tantalum capacitors, are now available for ceramic capacitors.  One of the driving forces for the increased capacitance values in ceramic capacitors was the tantalum shortage of 2000.

Prior to the use of nickel electrode systems, Palladium (Pd) and Silver (Ag) were the most common electrode materials.  This precious metal became cost prohibitive when making very high-capacitance, high-layer count ceramic capacitors.  Palladium and silver are still widely used for ceramic capacitors with lower capacitance values.

Capacitance is a measure of the energy storage ability of a tantalum Capacitor, given as C = K A/D, where A is the area of the electrodes, D is their separation, and K is a function of the dielectric between the electrodes. The formula yields a result in farads (F), but a farad is so large that the most commonly used values are expressed in microfarads (µf = 10-6F). 

The dissipation factor (DF) is the ratio between the resistive and the reactive part of the impedance of the tantalum capacitor submitted to a sinusoidal voltage of specified frequency. It is a measure of the losses in the capacitor.  

Leakage current is measured as the current flowing from one conductor to an adjacent conductor through an insulating layer. The leakage current in tantalum Capacitors is measured after 3 minutes at 25°C, through a 1k resistor connected in series with the capacitor, and with rated voltage applied.

Equivalent series resistance (ESR) represents the extent to which the capacitor acts like a resistor when charging and discharging. This functions via a resistive element within the capacitor model, found in both the AC and DC domains.  The lower the ESR the higher the current carrying ability of the tantalum capacitor.

1. Wide of capacity ranges
2. Long durability of performance guaranteed by both stables And strong characteristics of capacity against heat humidity and coldness
3. Sturdy mechanical structure against vibration or shock

7mm Ceramic Trimmer Capacitor Specifications

• OPERATING TEMPERATURE RANGE -30°C ~ +85°C
• RATED WORKING VLOTAGE 100V DC
• WITHSTANDING VOLTAGE 500V DC
• INSULATION RESISTANCE 104 MΩ min
• ROTATION TORQUE 40 ~ 200 g.cm
• SOLDERING TEMPERATURE 250 ± 5°C

7mm Ceramic Trimmer Capacitor Pictures

• General & Miniature
• 5mm height, Non-Polarized
• 105°C, 5mm height
• 105°C, 7mm height
• 7mm height, Bi-Polar
• General, Super Miniaturized
• Non-Polar
• 105°C, General
• 105°C, Long Life
• 105°C, Low Impedance
• 105°C, Low Impedance, Long Life
• 125°C, 1000 hours
• Low Leakage Current
• For Speaker Network
• For Horizontal Deflection
• For Photo Flash
• 105°C, 2000 hours, Low Leakage
• For Ballast & Save Lamp - 10000 hours
• For Motor Starting
• For Ballast & Save Lamp - 8000 hours
• 85°C 5mm height
• 85°C 7mm height
• For Ballast & Save Lamp - 5000 hours
• For Ballast & Save Lamp - 3000 hours
• High Temperature

Radial Aluminum Electrolytic Capacitor Pictures

1. As well as applications to small sized electronic apparatus, this series is designed for easy handing and is avaible with a variety of adjustment method (top, buttome, side and double sides).
2. Wode mounting sizes and types of adjustment available
3. Lots of capacity ranges, 3pF through 90pF
4. Sturdy mechanical structure against vibration or shock

6mm Ceramic Trimmer Capacitor Specifications

• INSULATION RESISTANCE 10 MΩ at 250VDC
• WITHSTAND VOLTAGE 400VDC
• WORKING VOLTAGE 200VDC
• ROTATION TORQUE 20 to 150 gr-cm
• OPERATING TEMPERATURE -30°C to +85°C

6mm Ceramic Trimmer Capacitor Pictures

1. As well as applications to small sized electronic apparatus, this series is designed
   for easy handing and is available with a variety of adjustment method (top, buttom,
   side and double sides).
2. Wide mounting sizes and variable adjustment available
3. Lots of capacity ranges, 3pF through 90pF
4. Sturdy mechanical structure against vibration or shock

5mm Ceramic Trimmer Capacitor Specifications

• OPERATING TEMPERATURE RANGE -30°C to +85°C
• RATED WORKING VOLTAGE 100VDC
• WITHSTANDING VOLTAGE 400VDC
• INSULATION RESISTANCE 104 MΩ min.
• ROTATION TORQUE 35 to 200 g-cm
• SOLDERING TEMPERATURE 260 ± 5°C

5mm Ceramic Trimmer Capacitor Pictures

• Standard
• Wide Temperature
• Non-Polarized
• Non-Polarized, 105°C
• Low Impedance
• Extra Lower Impedance
• Long Life Assurance
• 5000 hours Load Life
• High Reliability
• Low Leakage
• Super Low Impedance
• Solid capacitors of SMD type, Low ESR - HVC(under develop)
• Polymer Aluminum Electrolytic Capacitors - SMD(under develop)

SMD Aluminum Electrolytic Capacitor Pictures

1. Comparatively small size saves space of print circuit board.
2. Temperature dependence indicates characteristic of negative.
3. Dissipation Factor is normally low and temperature dependence of capacitance is linear.

Polypropylene Film Capacitor PPI Specifications

• MPERATURE -40°C TO +85°C
• RAGED VOLTAGE DC 100V, 250V, 400V, 630V
• CAPACITANCE RANGE 0.00047 TO 0.18Mfd
• CAPACITANCE TOLERANCE ±5%, ±10%
• INSULATION RESISTANCE 50,000 MΩmin.
• DISSIPATION FACTOR ≤0.001 for C≤0.068Mfd, ≤0.002 for C>0.068 Mfd (AT 1KHz)
• DIELECTRIC STRENGTH 250% of rated voltage for 5sec.

Metallized Polyester Film Capacitor Pictures

1. High reliable with its Self-Healing performance.
2. Coated with epoxy resin for superior heat resistance, humidity resistance and solvent resistance.
3. Good reputation in use with filtering, DC blocking coupling and general communication equipment

Metallized Polyester Film Capacitor Specifications

• OPERATING TEMPERATURE -40°C TO + 85°C
• RATED VOLTAGE DC 100V, 250V, 400V, 630V
• CAPACITANCE RANGE 0.01 TO 6.8μF
• CAPACITANCE TOLERANCE ±5%, ±10%, ±20%
• INSULATION RESISTANCE C＜0.33μF R≥15,000MΩ, C≥0.33μF RC≥5.000MΩ Mfd
• DISSIPATION FACTOR ≤0.01 (AT 1KHZ)
• DIELECTRIC STRENGTH 150% of rated voltage for 5sec.

Metallized Polyester Film Capacitor Pictures

1. Small-size, large capacity, excellent voltage holding.
2. For all ratings, uniform 5 mm pitch of terminal spacing.
3. Wider temperature range(-25~+70°C) thank battery makes periodic change unnecessary.
4. Ø13.5x7.5 size can encase up to 0.33F.
5. Ideal for backing up of CMOS's, microcomputers, RAM's and the like used in VCR's, tuners, TV sets, telephone sets and other.

Electric Double Layer Capacitor Specifications

• Operating temperature range (°C) -25 to + 70
• Capacitance tolerance (%) -20 to + 80
• Shelf life (70°C) Test time: 1000 hours : Dame as those for the load life.

Electric Double Layer Capacitor Pictures