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MLCCs - Multilayer Ceramic Capacitors

Multilayer ceramic capacitors, typically referred to as called MLCCs, are uniquely designed capacitors manufactured to embed a multilayer structure. This construction consists of metal conducting layers and a ceramic substance. The capacitor is insulated by ceramic layers, which helps to prevent heat loss and raises the product's efficiency. Multilayer capacitors are used for various applications because of their excellent thermal stability, strong ripple current capacity, and exceptionally low ESR (Equivalent Series Resistance) and ESL (Equivalent Series Inductance).

How Do Multilayer Ceramic Capacitors Operate?

The many ceramic layers and conductive electrodes stacked on top of each other make up the multilayer ceramic capacitor (MLCC). The conducting electrodes are between each layer of ceramic material. The several ceramic layers used in MLCC serve as a dielectric.

Do Ceramic Capacitors Degrade Overtime?

When employing ceramic capacitors, designers must consider aging, a phenomenon where the capacitance decreases over time. Capacitors from any manufacturer experience aging, which is correlated with the dielectric's material qualities.

Does Voltage Matter on a Ceramic Capacitor?

A general rule is designed that the voltage of ceramic capacitors should be derated by at least 25% as a baseline, but in contexts where voltage ripple effects will be present, this should be increased to at least 50%.

Typical Applications

Aluminum polymer capacitors provide several benefits for electronic applications due to their structure. This technology is very intriguing for many applications that permit a significant ripple current because of its low ESR, low ESL values, and high anticipated lifetime. Polymer capacitors are used in a wide range of applications, including:

  • Power Supplies
  • Computer Motherboards
  • Domestic Appliances
  • Coupling or Blocks
  • Smoothing
  • Decoupling or Bypassing
  • Noise Filtering

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C0603C101J5GACTU, KEMET
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C1206C105Z4VACTU, KEMET
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C1210C102JDGACTU, KEMET
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C1210C102KGRACTU, KEMET
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AC0603KRX7R7BB104, Yageo
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AC0805KKX7R0BB104, Yageo
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C1206C472J5GACTU, KEMET
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C0402C104K9RACTU, KEMET
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C0603C105K4PACTU, KEMET
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C1210C474K5RACTU, KEMET
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CS1206JKNPOZBN101, Yageo
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C1005C0G1H102J050BA, TDK
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C2012X7R2E223K125AA, TDK
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12065C104JAT2A, AVX
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New Items
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04025C222JAT2A, AVX

04025C222JAT2A, AVX

AVX 0402 MLCC series The 0402 series of SMD Capacitors are made from the most popular formulation of the “temperature-compensating,” EIA Class I ceramic materials. Available with different dielectric types.
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SR211A560KAR, AVX

SR211A560KAR, AVX

AVX SR Series Radial The SR Series of Radial capacitors from AVX provide a stable use within general purpose applications. A wide range of capacitance, tolerance and voltages boast high reliability and excellent quality. All ceramic models will come as through-hole mounted and epoxy coated. Temperature Coefficient A = C0G (NP0) C = X7R E = Z5U X7R Dielectric
New items
1206Y5000223KXT, Syfer Technology

1206Y5000223KXT, Syfer Technology

Syfer Flexicap 1206 FlexiCap™ has been developed as a result of listening to customers’ experiences of stress damage to MLCCs A proprietary flexible epoxy polymer termination material, that is applied to the device under the usual nickel barrier finish FlexiCapT™ will accommodate a greater degree of board bending than conventional capacitors An additional benefit of FlexiCap™ is that MLCCs can withstand temperature cycling -55ºC to 125ºC in excess of 1000 times without cracking FlexiCap™ may be soldered using your traditional wave or reflow solder techniques and needs no adjustment to equipment or current processes 1206 Range C0G (NP0) is the most popular formulation of the "temperature-compensating", EIA Class I ceramic materials X7R formulations are called "temperature stable" ceramics and fall into EIA Class II materials Y5V formulations are for general-purpose use in a limited temperature range.These characteristics make Y5V ideal for decoupling applications
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06031C103JAT2A, AVX

06031C103JAT2A, AVX

AVX X7R Dielectric Capacitors AVX X7R Dielectric capacitors are called "temperature stable" ceramics and fall into EIA Class II materials. The dielectric chip usage covers a broad range of industrial applications where known changes in capacitance due to applied voltages is acceptable.The AVX Standard Commercial-Grade MLCCs are available in case sizes 0402, 0805, and 0603.
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SA101C222KARTB, AVX

SA101C222KARTB, AVX

SA Series AVX SA Series axial ceramic multilayer capacitors are suited to commodity applications with voltage requirements up to 200 V and where leaded is preferred over SMD.These leaded capacitors have excellent thermal shock and vibration resistance. Axial construction allows the customer to shape the part to fit almost any design. Voltage Range 10 V dc to 200 VDC.Temperature range up to 125°C. Capacitance Range: 1 pF to 1 μF. X7R Dielectric Suitable for bypass, decoupling, filtering, sample and hold and timing circuits
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02016D104KAT2A, AVX

02016D104KAT2A, AVX

AVX 0201 MLCC series High purity of electrodes for very low and repeatable ESR Highly pure, low-K dielectric for high breakdown field, high insulation resistance and low losses to frequencies above 40GHz Very tight dimensional control for uniform inductance, unit to unit Very tight capacitance tolerances for high frequency signal applications Gold termination versions available 0201 Range Nickel barrier terminations covered with a layer of plated Tin (NiSn) Applications include mobile phones, video and tuner designs C0G/NP0 is the most popular formulation of the "temperature compensating", EIA Class I ceramic materials X7R, X5R formulations are called "temperature stable" ceramics and fall into the EIA Class II materials Y5V, Z5U formulations are for general purpose use in a limited temperature range, EIA Class II materials; these characteristics are ideal for decoupling applications.
New items
12061C104K4T2A, AVX

12061C104K4T2A, AVX

AVX 1206 X7R Dielectric Capacitors AVX X7R Dielectric capacitors are called temperature stable" ceramics and fall into EIA Class II materials. The dielectric chip usage covers a broad range of industrial applications where known changes in capacitance due to applied voltages are acceptable. The AVX Standard Commercial-Grade MLCCs are available in case sizes 0402, 0805, and 0603. Voltage Range: 4 V to 500 V. Capacitance Range: 100 pF to 22 μF. 1206 Range C0G (NP0) is the most popular formulation of the "temperature-compensating", EIA Class I ceramic materials X7R formulations are called "temperature stable" ceramics and fall into EIA Class II materials Y5V formulations are for general-purpose use in a limited temperature range.These characteristics make Y5V ideal for decoupling applications
New items
0603YC473KAT2A, AVX

0603YC473KAT2A, AVX

AVX 0603 MLCC series X7R formulations are called “temperature stable” ceramics and fall into EIA Class II materials, and COG (NPO) is the most popular “temperature-compensating” EIA Class I ceramic materials Multilayer Ceramic Capacitors whose temperature variation is within ±15% from -55°C to +125°C The capacitance change is non-linear Capacitance for X7R varies under the influence of electrical operating conditions such as voltage and frequency AVX high voltage chips have advantages of high value, low leakage and small size, thus applications include as snubbers in high frequency power converters, resonators in SMPS and high voltage coupling/DC blocking These high voltage chip designs exhibit low ESRs at high frequencies Reduced noise X5R versions available
New items
08055F102K4Z2A, AVX

08055F102K4Z2A, AVX

AVX 0805 MLCC Series X7R formulations are called “temperature stable” ceramics and fall into EIA Class II materials, and COG (NPO) is the most popular “temperature-compensating” EIA Class I ceramic materials Multilayer Ceramic Capacitors whose temperature variation is within ±15% from -55°C to +125°C The capacitance change is non-linear AVX high voltage chips have advantages of high value, low leakage and small size, thus applications include as snubbers in high frequency power converters, resonators in SMPS and high voltage coupling/DC blocking These high voltage chip designs exhibit low ESRs at high frequencies Reduced noise X5R versions available Low profile versions available 0805 Range Nickel barrier terminations covered with a layer of plated Tin (NiSn). Applications include mobile phones, video and tuner designs, COG/NPO is the most popular formulation of the "temperature compensating", EIA Class I ceramic materials, X7R, X5R formulations are called "temperature stable" ceramics and fall into the EIA Class II materials, Y5V, Z5U formulations are for general purpose use in a limited temperature range, EIA Class II materials; these characteristics are ideal for decoupling applications.
New items
06035J4R7BBSTR, AVX

06035J4R7BBSTR, AVX

AVX Accu-P 0603 series High purity of electrodes for very low and repeatable ESR Highly pure, low-K dielectric for high breakdown field, high insulation resistance and low losses to frequencies above 40GHz Very tight dimensional control for uniform inductance, unit to unit Very tight capacitance tolerances for high frequency signal applications
New items
06035C104KAZ2A, AVX

06035C104KAZ2A, AVX

AVX X7R Dielectric Capacitors AVX X7R Dielectric capacitors are called "temperature stable" ceramics and fall into EIA Class II materials. The dielectric chip usage covers a broad range of industrial applications where known changes in capacitance due to applied voltages is acceptable.The AVX Standard Commercial-Grade MLCCs are available in case sizes 0402, 0805, and 0603. Ceramic Capacitors exhibit low parasitics and excellent EMI filtering capabilities. In a multilayer configuration, they display high capacitance values and various voltage ratings over a wide temperature range. Multiple styles are available such as MLCC chips, leaded capacitors, stacked capacitors and capacitors that utilise unique geometries. X7R formulations are called "temperature stable" ceramics and fall into EIA Class II materials. X7R is the most popular of these intermediate dielectric constant materials. Its temperature variation of capacitance is within ±15% from -55°C to +125°C. This capacitance change is non-linear.
New items
18125A103FAT2A, AVX

18125A103FAT2A, AVX

AVX 1812 Series X7R Dielectric Capacitors AVX X7R dielectric series capacitors are temperature stable capacitors and fall into the EIA Class II materials. Temperature variation of capacitance is within ±15% from -55°C to +125°C. This Capacitance change is non-linear. X7R dielectric chip usage covers the broad spectrum of industrial applications where known changes in capacitance due to applied voltages are acceptable. Note Sorted in order of dielectric, voltage then capacitance.
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