Gallery View: MLCCs take lead in ceramic capacitor miniaturization

Global SourcesUpdated on 2023/12/01

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Manufacturers of ceramic capacitors in China continue to push product development toward smaller sizes and higher capacitance ratings.

Multilayer ceramic capacitors (MLCCs) hold more than 90 percent market share in their category thanks to their wide adoption in smartphones, PCs, A/V devices, networking equipment and automotive electronics. Besides their ultrasmall size, MLCCs boast high withstand voltage, high temperature resistance, and wide capacitance range compared to single-layer designs.

As terminal products shrink in size, Chinese producers' miniaturization efforts continue, led by large companies that aim to offer 01005 and eventually 008004 units. At present, Fenghua is the only supplier with a 01005 to 2220 series. Mainstream MLCCs come in 0201, 0402, 0603, 0805, 1206 and 1210 packages, with the first three kinds dominating China's shipments.

Boosting capacitance is also on the agenda. Suppliers hope to develop X5R and Y5V BME ceramic capacitors with more than 100µF, which could replace aluminum and chip tantalum capacitors. The current range in China offers 1pF to 10µF capacitance and is based on COG, NP0, X7R, X5R, Y5V and Z5U dielectrics.

Manufacturers typically source ceramic powders, metal pastes and adhesives from domestic providers, turning to foreign companies only when required. Product prices increased in the past 12 months due to a short supply of materials that resulted in higher costs. Most suppliers interviewed by Global Sources Electronic Components predict quotes will stabilize or rise slightly in the next six months.

1 to 30kV

Guangdong South Hongming (HK) Elec Science & Tech Co. Ltd's DC50V-30KVdc-7374 ceramic capacitor with 1 to 30kV voltage is for bypass, filter and coupling circuits. It uses a CO, SL, Z5U, Y5P or Y5V dielectric. Operating temperature is -25 to 85 C.

The minimum order is 1,000 units. Delivery is within 7 days.

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For bypass, filter & coupling circuits

For bypass, filter and coupling circuits, the DC50V-30KVdc-3046 ceramic capacitor from Guangdong South Hongming (HK) Elec Science & Tech Co. Ltd has 1 to 30kV voltage rating and -25 to 85 C operating temperature. It is based on a CO, SL, Z5U, Y5P or Y5V dielectric.

A minimum order of 1,000 units is required for delivery within 7 days.

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X1, Y1 & Y2 classes

Rated 250, 400, 440 or 500VAC, this ceramic capacitor from Guangdong South Hongming (HK) Elec Science & Tech Co. Ltd, the X1/Y1/Y2 400VAC/500VAC-6331, comes in X1, Y1 and Y2 classes with ≤2.5 percent dissipation factor. It has a Y5P, Y5U, Z5U or Y5V dielectric and operates at -25 to 125 C. The unit meets CSA, CQC, DEMKO, FIMKO, KETI, NEMKO, SEMKO, SEV, UL and VDE standards.

The supplier requires a minimum order of 1,000 units. Delivery takes 7 days.

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50 to 500VDC

Model TMCC01.1-104 103 102 101PF ceramic capacitor from Shenzhen Topmay Electronic Co. Ltd has 50 to 500VDC working voltage, and ≥4,000Mohm insulation resistance at working voltage for 1min. Operating temperature is -25 to 85 C.

The 20,000-unit minimum order has a 10-day delivery lead time.

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≥4,000Mohm insulation resistance

From Shenzhen Topmay Electronic Co. Ltd, the TMCC01-Disc Cap.po-1t-3089 ceramic capacitor, with ≥4,000Mohm insulation resistance, operates on 50 to 500VDC and in -25 to 85 C.

An order of at least 20,000 units has a delivery lead time of 10 days.

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50 to 500VDC operating voltage

This 50 to 500VDC ceramic capacitor from Shenzhen Topmay Electronic Co. Ltd, the TMCC01-104Z50VP5B-103 102, has an insulation resistance of ≥4,000Mohms at working voltage for 1min, and an operating temperature of -25 to 85 C.

The minimum order is 20,000 units. Delivery is within 10 days.

Inquire now

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