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About Ceramic Capacitor

Ceramic is the dielectric material used in the manufacture of ceramic capacitor.  Dielectrics are the insulating material between the plates of capacitors.  This material is chosen for its ability to permit electrostatic attraction and repulsion to take place across it.  Ceramic is an excellent dielectric material because it is a poor conductor of electricity while being an effective supporter of electrostatic fields.

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.

About Tantalum Capacitor

Tantalum Capacitors are used in electronic devices including portable telephones, pagers, personal computers, and automotive electronics.  When selecting between available tantalum Capacitors, there are a number of key specifications to keep in mind when designing in a tantalum Capacitor.  These  include capacitance value, capacitance tolerance, dissipation factor, leakage current, and equivalent series resistance (ESR).  The designer must also consider the board interface requirements.  Tecate tantalum capacitors are available in radial leaded or surface mount configurations.

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.

7mm Ceramic Trimmer Capacitor

7mm Ceramic Trimmer Capacitor Features

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

Radial Aluminum Electrolytic Capacitor

Radial Aluminum Electrolytic Capacitor List

• 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

6mm Ceramic Trimmer Capacitor

6mm Ceramic Trimmer Capacitor Features

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

5mm Ceramic Trimmer Capacitor

5mm Ceramic Trimmer Capacitor Features

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

SMD Aluminum Electrolytic Capacitor

SMD Aluminum Electrolytic Capacitor List

• 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

Polypropylene Film Capacitor

Polypropylene Film Capacitor PPI Features

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

Metallized Polyester Film Capacitor

Metallized Polyester Film Capacitor Features

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

Electric Double Layer Capacitor

Electric Double Layer Capacitor Features

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