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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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C0805C330K5GACTU, KEMET
92717 In Stock
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4000 +
£ 0.033
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£ 0.030
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C1210C102JDGACTU, KEMET
10050 In Stock
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£ 0.44
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C1206C105Z4VACTU, KEMET
17149 In Stock
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£ 0.022
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CC1206JRNPOBBN101, Yageo
24570 In Stock
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£ 3.81
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£ 3.24
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C0603C123K5RACTU, KEMET
480419 In Stock
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C4532X7R1H475K200KB, TDK
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CGA3E2C0G1H472J080AA, TDK
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K104M15X7RF53L2, Vishay
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£ 0.039
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VJ1812Y105KXAAT, Vishay
6448 In Stock
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£ 0.93
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C0402C104K9RACTU, KEMET
735089 In Stock
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C0603C473K4RACTU, KEMET
277502 In Stock
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C1206C104J3GACTU, KEMET
6381 In Stock
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£ 0.48
Wurth Elektronik
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885012206079, Wurth Elektronik
3998 In Stock
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C1206C101J5GACTU, KEMET
118831 In Stock
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C0603C105K4PACTU, KEMET
186359 In Stock
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GRM0335C1E120JA01D, Murata
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GRM1555C1H161JA01D, Murata
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GRM1555C1H7R0BA01D, Murata
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GRM188R61H225KE11D, Murata
7998 In Stock
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GRM21A5C2D470JW01D, Murata
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Syfer Technology
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0603Y1000221KXT, Syfer Technology
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VJ1812A101JXGAT, Vishay
5598 In Stock
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K102K15X7RF5TH5V, Vishay
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K472K15X7RF5TH5V, Vishay
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C0603C101J5GACTU, KEMET
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New Items
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GRM2165C2A221JA01D, Murata

GRM2165C2A221JA01D, Murata

Murata GRM 0805 C0G Dielectric Murata GRM Series are small in size and large capacitance values in a multilayer structure . GRM Series Temperature Compensating type is ideal for tuning circuits, oscillating circuits and high frequency filter circuits and power supply damper snubber for rated voltages higher than 200 V Features & Benefits: High reliability with no polarity Excellent solderability is achieved by the Tin plating at the external electrodes 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
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
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06031A221FAT2A, AVX

06031A221FAT2A, 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
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GRT188R60J106ME13D, Murata

GRT188R60J106ME13D, Murata

Sn plating is applied to the external electrodes: excellent solderability
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06033C104JAT2A, AVX

06033C104JAT2A, 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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06035C223KAZ2A, AVX

06035C223KAZ2A, AVX

AVX MLCC Capacitors with FLEXITERM AVX multilayer ceramic capacitors with FLEXITERM are designed to enhance the mechanical flexure and temperature cycling performance of a standard ceramic capacitor with an X7R dielectric.The FLEXITERM technology was developed by AVX to meet the demand for components with enhanced mechanical strength and flexibility when used in harsh environment applications, such as automobiles, and in applications where temperature variation exists. It provides up to 5mm of flexure without internal cracks, 3mm above the 2mm industry standard.These MLCCs reduce circuit board flex failures and offer increased temperature cycling performance of 3,000 cycles and beyond, a base metal electrode system, and automotive and commercial grade product selections. AEC-Q200 qualified. Applications High flexure stress circuit boards Variable temperature applications Automotive applications Approvals AEC-Q200 qualified
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06033A330KAT2A, AVX

06033A330KAT2A, 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
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
New items
SR212A221JAR, AVX

SR212A221JAR, AVX

SR Series C0G dielectric Conformally coated C0G (NP0) Dielectric Capacitors with stable and predictable characteristics over temperature and time, suitable for filtering, sample and hold and timing circuits where high Q and good stability are required.
New items
RS_770-4181, RS PRO

RS_770-4181, RS PRO

RS 0603 MLCC Series (Reels) General purpose range of full reel MLCC capacitors suitable for machine positioning
New items
C1608C0G2A102J080AA, TDK

C1608C0G2A102J080AA, TDK

TDK C type 0603 series Professional range of TDK multilayer ceramic chip capacitors from the C series. Suitable for high frequency and high density type power supplies due to low ESR and excellent frequency characteristics. Features and Benefits: High capacitance through precision technologies that enable the use of multiple thinner ceramic dielectric layers A monolithic structure ensures superior mechanical strength and reliability Low ESL and excellent frequency characteristics allow for a circuit design that closely conforms to theoretical values Low self-heating and high ripple resistance due to low ESR Applications: Commercial Grade for general applications including General electronic equipment; Mobile communication equipment; Power supply circuit; Office automation equipment; TV, LED displays; Servers, PCs, Notebooks, Tablets.
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