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SMD fuses Key trends

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Buyer’s Guide to sourcing SMD fuses An exclusive and in-depth report on SMD fuses, including key trends, industry outlook, suppliersand top products

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} Comparison table of 12 suppliers 4

} Gallery View: A selection of SMD fuses from China 6

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SMD fuses: Key trends, industry outlook , comparison table of 12 suppliers, gallery view

Fuse manufacturers shift focus to SMD, resettable typesStrong demand in portable electronics deemphasizes traditional DIP and one-time variants.Broadening adoption in mobile electronics is driving China fuse makers to focus on building up their SMD selections. The variant is expected to overtake conventional DIP configurations in terms of shipments in the next one or two years. From 40 percent, the former’s share is expected to surpass 50 percent. In addition to portable devices, the computer, communications, A/V and automotive electronics, medical equipment and power supplies fields are fueling the uptick in requirement.

Companies are also highlighting resettable kinds, which are widely used in the above applications. The type accounts for 30 to 40 percent of deliveries.

XC Electronics (Shenzhen) Corp. Ltd, which began offering SMD models in 2013, allocates 10 percent of production for the subcategory. This year, it will increase the ratio by over 10 percent.

Shenzhen UN Semiconductor, meanwhile, bolstered output of resettable versions by 30 percent in 2014 and will do so by more than 10 percent in the months ahead. Its releases come in various sizes, including 0603, 0805, 1206, 1210, 1812 and 2920.

China manufacturers said the demand rise has resulted in 10 percent annual sales boost in recent years. They expect to continue benefiting from this trend, and are eyeing batteries for mobile devices and LED drivers as key application markets. XC projects the increase in requirement will exceed 10 percent by end-2015. The company turns out SMD fuses mainly for mobile device chargers.

The upbeat development reflects in exports as well. Overseas shipments climbed between 5 and 10 percent last year, and are projected to remain on the upswing in coming months. These represent half of the country’s total deliveries. The bulk is sent to the US, Europe, the Asia-Pacific region and the Middle East.

Shenzhen UN anticipates growth in outbound volume surpassing 10 percent, thanks to emerging destinations such as the Middle East and South America. The company sends more than 30

percent of output abroad. Its major markets are East and Southeast Asia, and Europe.

To keep up the momentum and differ from international players in China, local manufacturers offer better price-performance ratio, shorter lead time and enhanced aftersales. They generally have 5 to 10 percent lower quotes and are open to small orders. XC guarantees delivery in less than seven days.

Suppliers continue to upgrade facilities with advanced equipment as well. Shenzhen Deer has installed a filament production line and testing machines, while Shenzhen UN will acquire more of the latter.

There are over 300 makers of SMD fuses in China, of which more than one-third are domestic companies. The foreign-invested operations forming the majority include global leaders Littelfuse, AEM and TE Connectivity. They are responsible for 50 percent of sales in the line there.

The provinces of Guangdong and Fujian, specifically Dongguan, Shenzhen and Xiamen cities, have the largest gathering of manufacturers. The others are in Zhejiang and Jiangsu.

Mainstream range

Resettable and one-time fuses from China suppliers come in 0603, 0805, 1206, 1812 and 2920 versions, with the first two sizes leading output. These have a glass-encapsulated ceramic or epoxy resin body, and nickel- or tin-plated copper, tin or silver terminals.

Based on rated voltage and current, the selection includes 6 to 60V and 0.5 to 25A units. The key applications are smartphones, digital cameras, computers and peripherals, displays and power supplies.

Most companies offer products compliant with various standards such as CE, GS, RoHS, TÜV and UL. XC’s 1206 models, which have silver filament and terminations, and a glass-covered ceramic body, carry cUL and UL approval.

Makers source key materials copper, tin, silver, nickel, ceramic, epoxy resin and glass locally. Some turn to overseas providers, especially for epoxy resin and ceramic.

Stable input costs are expected to keep prices at current levels for the rest of the year. A few makers have reduced their quotes to cope with intense local competition. XC adjusted its rates by 5 percent.

Oveseas shipments climbed between 5 and 10 percent last year, and are projected to remain on the upswing in coming months.

The model 12F/12T SMD fuse from XC comes in 1206 form, and has silver filament and terminals.

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Supplier comparison tableCompany Year established Main product lines Total

annual sales ($mn)

Certifications Brands Export markets Major customers

Aupo (Xiamen) Electronics Ltd

1986 Fuses, thermal cutoffs

9 ISO 9001:2000, OHSAS 18001, CCC, cUL, RoHS, TÜV, VDE

Aupo North America, Eastern Europe, Middle East, Africa, Central/South America, Asia, Western Europe, Australasia

Sony, Panasonic, Siemens, GE, Motorola, Sanyo, Philips, SC Johnson

Dongguan Better Electronics Technology Co. Ltd

2003 Fuses 20 ISO 9001:2008, CB, CCC, CQC, EK, PSE, RoHS, TÜV, UL, VDE

Betterfuse, Bettel, AsiaFuse

North America, Central/South America, Asia, Western Europe, Australasia, Eastern Europe

LG, Whirlpool, Midea, Toshiba, Galanz

Dongguan Hongda Electronic Technology Co. Ltd

1998 Fuses 10 ISO 9001:2008, 14001:2004, CCC, CQC, cUL, cUR, PSE, UL, UR, VDE

Hongda Asia, North America

TCL, TTI, Skyworth, Tenbao, Osram, Atec, Click

Megatone Electronics Corp.

1972 Fuses; fuse holders, coaxial connectors; power transformers

50 • Megatone, Tailunn, TS

North America, Central/South America, Eastern Europe, Middle East, Africa, Western Europe, Asia, Australasia

Toshiba, Sovica Electronics, Casa Royal, Industria Electronica Gallium, Micro Electronics

Nanjing Sart Science and Techology Development Co. Ltd

2006 Fuses; current sensor resistors

9 • • • •

Shallin Electronics Co. Ltd

1977 Fuses; coaxial connectors, phone plugs, USB 2.0 connectors

6 RoHS HHC North America, Eastern Europe, Central/South America, Western Europe, Australasia, Asia

•

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Supplier comparison table

Company Year established Main product lines Total annual sales ($mn)

Certifications Brands Export markets Major customers

Shenzhen Deer Electron Co. Ltd

2000 SMD fuses 5 ISO 9001:2008, ISO/IEC 27001, ASTA, CCC, CE, CQC, PSE, VDE, UL, REACH, RoHS

• North America, Eastern Europe, Middle East, Africa, Central/South America, Asia, Western Europe, Australasia

Philips, Midea, Topband, Man Plug, Xinbao Electrical

Shenzhen Lanson Electronic Co. Ltd

1997 Fuses 11 ISO 9001:2000, 14001, CCC, CQC, cUL, KTL, PSE, RoHS, SEMKO, UL, VDE

Lanson North America, Asia

•

Walter Electronic Co. Ltd

1968 Fuses 25 ISO 9001:2000, 14001:2004, CCC, cUL, cUR, EK, PSE, RoHS, SEMKO, VDE

Walter North America

Samsung, Lite-On, Foxconn, TDK, Sharp, Funai, Toshiba

Wenzhou Onkak Impex Co. Ltd

2009 Fuses, fuse holders, floor sockets, power distribution boxes

20 ISO 9001:2000, BS, ASTA, CE, SEMKO, TÜV, UL, VDE

Onesto North America, Eastern Europe, Middle East, Africa, Central/South America, Asia, Western Europe, Australasia

•

XC Electronics (Shenzhen) Corp. Ltd

1996 SMD fuses 22.8 ISO 9001:2000, 14001, ISO/TS 16949, CCC, CE, CQC, KC, PSE, RoHS, TÜV, UL, VDE

XC Electronics (Shenzhen) Corp. Ltd

Asia, Australasia, Central/South America, Eastern Europe, Middle East, Africa, North America, Western Europe

Panasonic, LG, Acbel, Foxconn, Philips, Midea, Great Wall, Cummins, Volkswagen, Hisense, Glanze, Gree, Skyworth

Xiamen Set Electronics Co. Ltd

2000 Fuses, surge protectors, thermal cutoffs, varistors

20 ISO 9001:2008, 14001, OHSAS 18001, CCC, CQC, cUL, KC, KTL, PSE, TÜV, UL, VDE

SET, SETfuse Central/South America, Eastern Europe, North America, Middle East, Africa, Asia, Western Europe, Australasia

Emerson, Microsoft, Huawei, ZTE, Leviton, Samsung, Schneider, Sanyo, Efore, Eltek

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Gallery view: A selection of SMD fuses from China

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UL-listed SMD fuse meets RoHSNanjing Sart Science and Techology Development Co. Ltd

The S6125 series of SMD fuses from Nanjing Sart includes model S6125-F in 125VAC and 1 to 20A, the S6125-M2 in 0.5 to 5A, the 125VAC S6125-H in 0.5 to 5A and the 250VAC S6125-H2 in 1 to 5A. The units bear RoHS and UL approval. The main applications are LED lighting, LED and LCD panels, miniature power supplies and computer peripherals.

SMD fuse has 50A breaking capacity at 32VDCShenzhen Lanson Electronic Co. Ltd★★★★★✩

The 06H series SMD fuse from Shenzhen Lanson has voltage and current ratings of 32V and 1 to 5A. Its breaking capacity is 50A in 32VDC. The 0603 model meets cUL, cURus, IEC 60127-2, 60068-2 and UL.

SMD fuse in 1206 formShenzhen Deer Electron Co. Ltd★★★★✩✩

Shenzhen Deer’s model ST1140 one-time SMD fuse has a maximum blow time of more than four hours at 100 percent testing current, and ≤5 seconds at 250 and 350 percent. The 1206 halogen-free unit has a glass-covered ceramic body, and silver, nickel or tin terminals. It is RoHS-compliant.

SMD fuse features silver terminalsXC Electronics (Shenzhen) Corp. Ltd★★★✩✩✩

The model 12F/12T SMD fuse from XC has blow time exceeding four hours at 100 percent testing current, and ≤5 seconds at 250 and 350 percent. The 1206 model has silver terminals. It complies with cUL and UL.

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