This section provides an overview for chip resistors as well as their applications and principles. Also, please take a look at the list of 34 chip resistor manufacturers and their company rankings. Here are the top-ranked chip resistor companies as of September, 2023: 1.ABCO ELECTRONICS, 2.State of the Art, Inc., 3.TAIYOSHA ELECTRIC CO..
Chip resistors, also called surface mount resistors, are rectangular resistors with a metal film as a resistive element on a small ceramic substrate.
In general, chip components refer to all small surface-mount passive components. Chip components are made of capacitors, resistors, fuses, coils, transformers, etc., all of which are characterized by having fixed electrodes.
In older resistors, flexible lead wires were used as electrodes to be inserted into holes in printed circuit boards, but chip resistors have fixed electrodes that are soldered directly to the surface of the printed circuit board.
Resistors, along with capacitors and coils, are the most basic passive elements in electronic circuits. Chip resistors are used in all kinds of electronic devices, playing various roles, such as limiting current, detecting voltage, and setting bias voltage.
In recent years, demand for chip resistors has been growing rapidly, especially in the field of mobile communications, particularly for cellular phones and smartphones. Chip resistors are sold in a variety of products to suit different purposes and applications, so it is necessary to determine the performance and characteristics of the resistor according to the required performance.
Chip resistors are classified into the following three types depending on the resistive element to be formed on the ceramic substrate.
Thick-film chip resistors employ metal glaze as a resistive element and form a film several μm thick. They are called thick-film chip resistors because they are thicker than the thin-film chip resistors described below.
Resistance can be adjusted by trimming a part of the resistive element after the metal-glaze film is formed. Since the metal-glaze film can be formed on a ceramic substrate at once using the screen printing method, these resistors are relatively inexpensive and versatile. Various constants and sizes are available.
The structure is almost the same as that of thick-film chip resistors, but the resistive element is a metal alloy, and the resistive element is formed on a ceramic substrate using the vacuum evaporation method. The thickness of this resistive element is extremely thin, about several nm. That is why they are called thin-film chip resistors.
Thin-film chip resistors have a small error (±1% or less) with respect to the nominal resistance value and a small temperature coefficient, so they are employed when accurate resistance values are required. Another feature of thin-film chip resistors is that they show little change in resistance value over time.
Metal plate chip resistors use a metal plate as a resistive element, enabling the production of resistors with small resistance values. Resistors of 1 mΩ or less are also available for current detection. Also, because of its excellent heat dissipation and large thermal capacity, it can carry a relatively large current.
On the other hand, its disadvantage is that it is difficult to produce high resistance values and is expensive. The ceramic substrate on which the resistor is based is mainly made of alumina, an oxide-based ceramic, and has excellent strength, thermal conductivity, and insulation properties.
The following high-performance products are available for chip resistor according to the market needs.
Silver is used for the internal electrode of general chip resistors, and if left in an atmosphere containing sulfur, the silver reacts with sulfur to form silver sulfide, which is an insulator, and this growth is likely to cause poor conductivity of the internal electrode.
Therefore, resistors with sulfurization countermeasures should be used in environments where sulfur components are present in the atmosphere, such as near active volcanoes or in the vicinity of materials containing sulfur.
Specifically, a resistor has been developed in which the internal electrode is changed to a material that does not react with sulfur, instead of silver.
When surge voltages or pulses are frequently applied to resistors, such as in switching circuits or circuits prone to electrostatic discharge, it is necessary to use resistors that are not easily damaged even when large amounts of instantaneous power are applied. For this reason, anti-surge and anti-pulse chip resistors are also available.
Precision equipment, such as measuring and control instruments, requires high-precision resistors with small resistance error (resistance tolerance) and resistance change with temperature (temperature coefficient of resistance).
Chip resistors for current sensing applications have a small resistance value. Metal plate chip resistors are mainly used for current sensing to detect overcurrent and remaining battery charge.
There is also a growing need for lower resistance to reduce power consumption in circuits and for high-precision resistors that ensure excellent resistance temperature coefficient even in harsh temperature environments.
Chip resistors originally had electrodes laid out on the short side. Since the resistive element itself has low heat dissipation, heat dissipation through the electrodes greatly affects the rated power of Chip Resistor.
Therefore, several resistors makers have introduced products with electrodes on the long side of the chip resistor to increase the electrode area and improve heat dissipation. These chip resistors are called "long side electrode type" or "long side chip resistor."
Conventional chip resistors are sometimes called "short side electrode type" to distinguish them.
Typical sizes of chip resistors are as follows:
However, the rated voltage and power rating are restricted by size, and the larger the size, the more advantageous, so the size cannot be freely determined. On the other hand, small resistors can be selected for circuits that operate at relatively low voltages, but the mounting equipment (mounter, etc.) that can handle them may be restricted.
The size with the largest shipment volume for chip resistors is "1005 (1.0mm x 0.5mm)," while the previous mainstay "1608 (1.6mm x 0.8mm)" size is decreasing in volume. On the other hand, "0603: 0.6mm x 0.3mm" size, which will be the mainstream in the future, is increasing in volume.
In addition, "03015: 0.3mm x 0.15mm" size was commercialized as a small chip resistor in October 2011, and "0201: 0.2mm x 0.125mm" size is under development by resistor manufacturers.
*Including some distributors, etc.
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State of the Art, Inc. (SOTA) is an American manufacturer of various film resistive components and products originally established as a consulting business in 1969 before expanding to manufacturing operations in 1972. Based in State College, Pennsylvania, the company produces chip resistors on circuit boards or hybrid substrates, integrative resistor networks, attenuators, and terminators. These are crucial in industrial processes that involve electrical circuits, current control, voltage regulation, and signal processing. SOTA products are used by clients in various industries, including in the defense, biomedical, telecommunications, and aerospace sectors.
Caddock Electronics, Inc. is a manufacturer of precision resistors and resistor networks founded in 1965 and headquartered in Oregon, USA. Their product line consists of over 250 models, including high-voltage resistors, current sense resistors, chip resistors, high-frequency resistors, and RF resistors. They also offer load resistors, pulse resistors, and non-inductive power resistors, as well as custom resistors and resistor network solutions. Their products can be used in a wide range of electronic devices and systems to regulate the flow of electricity and protect against overloads, ensuring the safe operation of devices and systems.
Bourns, Inc. is a family-owned company founded in 1947 and currently headquartered in Riverside, California. Bourns is a developer, manufacturer, and supplier of electronic components for several industries including automotive, industrial, instrumentation, medical, consumer, and portable electronics. Bourns operates in 4 market segments: automotive, circuit protection, power conversion, and sensing. The automotive segment produces sensors for almost every use in vehicles including steering, stability, fuel management, and temperature control. Power conversion segment products are used in renewable energy and automotive power. Sensing products are also used in heavy equipment, medical equipment, and welding equipment.
Vishay Intertechnology, Inc. (Vishay) was incorporated in 1962 and is headquartered in Malvern, Pennsylvania. The company serves the industrial, automotive, telecommunications, consumer products, and medical end markets and sells its products under numerous brand names inlcuding Siliconix, Draloric, Beyschlag, UltraSource, and Applied Thin-Film Products. The company manufactures and sells discrete semiconductors and passive electronic components in globally while operating in six market segments: MOSFETs, diodes, optoelectronic components, resistors, inductors, and capacitors.
International Manufacturing Services, Inc., founded in 1974 and headquartered in Portsmouth, Rhode Island, is a manufacturer of passive electronic components. Their product range includes resistors, terminations, attenuators, splitters, and couplers. They also offer a range of dividers, planar filters, and thermal resistors. These components enhance electronic circuits by controlling signal levels, dividing signals, filtering frequencies, and managing thermal conditions. They cater to various industries such as telecommunications, aerospace, and defense and adheres to ISO 9001:2015 industry standards.
NIC Components Corp., and Nippon Industries Co. Ltd. have collaborated for over 37 years to design and manufacture passive components, including capacitors, resistors, and magnetics. Established in the USA in 1982, NIC has expanded its business to the custom speciality that meets the demands of today’s emerging and latest technology. Their regional offices can be found in Canada, Malaysia, India, Mexico, China, etc. All of their products are built with more features and are certified with different ISO certifications. They also assist their customers in component selection through live support.
Ohmite, established in 1925 and headquartered in Warrenville, Illinois, is a manufacturer of resistive products. Their product offerings incldue wirewound resistors, thick film resistors for high temperature and humidity resistance, and chip resistors for space-constrained applications. Additionally, they provide power resistors designed to handle high currents and voltages, suitable for power supplies and motors. Ohmite's diverse product range also includes custom-designed resistors tailored to meet specific customer requirements. These products find extensive application across various industries, including electronics, automotive, and industrial.
Riedon Inc., established in 1960 with headquarters in the USA and facilities in the USA, Europe, Asia, and Mexico, is a manufacturer of power, precision, surface-mount, high-temperature, and high-power resistors. The company's product line includes wirewound, thick film resistors, thin film resistors, and foil resistive components. Riedon Inc.'s products are used by a wide range of industries that include the aerospace, military, instrumentation, and consumer product markets. The company's components and resistors are found in mobile phones, power supplies, vehicles, and smart home appliances, among many others.
CryoCircuits., established in, Ballston Spa, NY in 2001 is a supplier engaged in electronic components intended for cryogenic operation at 77K (liquid nitrogen). Their product range includes capacitors, resistors, logic and control circuits, current monitors and materials. The company also offers custom electrical test services from 400K to cryogenic temperatures. Testing includes characterization of capacitance, resistance, i, leakage current, and breakdown voltage. The companies products are used in All-Electric Ship and All-Electric Aircraft.
Panasonic Industry, Founded in 1918, is an enabler that provides customer with unique strength through their material and process technologies. Panasonic Industry wants to make social demands strong and help in solving problems associated with such demands. Panasonic Industry manufactures numerous products such as capacitors, relays, connectors, sensors, etc. Such products are used in automobiles, solution modules, home appliances, health care, and other equipment. Their aim is to improve society and make it richer via new methodologies and technologies.
TY-OHM ELECTRONIC WORKS CO., LTD., established in 1958 with headquarters in Taiwan, is a manufacturer of carbon film and low-end wire-wound resistors. The company's product line includes SMD resistors, carbon film resistors, non-inductive resistors, pulse resistors, and wire-wound chip resistors. TY-OHM ELECTRONIC WORKS CO., LTD.'s products are used in mobile phones, notebooks, lighting, power supplies, vehicles, and smart home appliances, among many others. The company's clients include Dyson, Flexpower, Emerson, Osram, Philips, and Samsung.
Japan Finechem Co.,Inc. manufactures fine and speciality chemicals and industrial electronic components. The company was founded in Tokyo, Japan in 1959 and presently employs 272 employees overall Japan. Their product portfolio for chemicals includes organic and inorganic chemicals, intermediates for food additives and pharmaceuticals, agricultural chemicals and feed additives. In the electronic components sector they manufacture electric machinery equipment and parts such as resistors and resistor boxes. They also produce high voltage measuring devices such as digital meters, probes and dividers. These products are mainly used in industrial equipments, chemical measuring instruments, X-ray apparatuses and electron microscopes.
Akahane Electronics Corporation, established in 1960 and headquartered in Tokyo, Japan, is a manufacturer and supplier of resistors. Their diverse product range includes general purpose resistors used in electronic circuits, appliances, and equipment, precision resistors catering to applications requiring high accuracy like test and measurement equipment and medical devices, and thick film resistors suitable for demanding conditions such as automotive and industrial applications with high temperature and humidity resistance. Akahane Electronics' resistors find widespread use in electronics, automotive, and various industrial sectors, providing accurate solutions for diverse applications.
Alpha Electronics Corp., headquartered in Tokyo, Japan, has been a manufacturer of metal foil resistors since 1978. Its resistors are acclaimed for their precision, low temperature coefficient, and extended lifespan, catering to diverse applications like telecommunications, industrial automation, and medical devices. Offerings include an extensive range of resistors, including surface mount, wirewound, thin film, and SMD resistors, accommodating varying needs in industries such as consumer electronics and automotive. The company participates in a joint program with National Metrology Institute of Japan (NMIJ) on the further development of Bulk Metal Foil metrology standard resistors.
Viking Tech Corporation, established in 1997, is a Taiwanese manufacturer and supplier of electronic components, headquartered in Hukou, Hsinchu. The company’s product lineup comprises resistors, inductors, capacitors, and supercapacitors. These products, particularly the resistors, find applications in various industries. In the medical sector, these resistors are integrated into hospital equipment like X-ray machines, ultrasonography devices, portable defibrillators, and more. Similarly, in the automotive industry, resistors are integrated into electric vehicle (EV) engine control and body control systems, car navigation systems, and other applications. Additionally, the communication industry uses resistors for smartphones and similar devices.
Susumu CO., LTD., founded in Kyoto, Japan, in 1964 is a manufacturer of thin film products. The company's product portfolio includes thin film mount resisters, power choke coils, sample kits, and high frequency surface mount components. The company serves industries such as Oil and Gas, Aerospace and Defense, Automotive and Transportation, Construction, and Power Generation. The company provides services such as Product Selection Guidance, Engineering Support, New Product Design and Development and Custom Manufacturing.
Walsin Technology Corporation (also known as WTC and Passive Component), founded in 1970 and incorporated as Walsin Technology Corporation in 1992 with facilities in Taiwan and China, is a manufacturer of passive components. The company's products include MLCC, Chip-R, RF, DISC, varistors (VZ, VH, and SR series), and inductor parts used in the mobile communications, networking, automotive, green energy, and IoT industries, among others. Walsin Technology Corp.’s products are REACH-certified, and the company holds ISO 9001, IATF 16949, IECQ HSPM certifications, and an Authorized Economic Operator Certification.
TAIYOSHA ELECTRIC CO., established in, China, in 1956 is a manufacturer engaged in industrial equipment and electronic components. Their product range includes Wire, Cable and Accessories, Electrical Products, Engineering and Construction, Digital Solutions, automative and Infrastructure Investments. The company has customer service representatives and technical support staff to provide troubleshooting and order processing services all around the country. The company's factory uses clean energy to reduce carbon foot print. and reduce air pollution.
AATA JAPAN CO was established in 1973 and is based in Yokohama, Kanagawa, Japan, is a manufacturer of Microwave Components Parts and Electric Components for various industries. The company is the official agent of Nagano Japan Radio Co for microwave components parts, VSAT components, and microwave sensors for the overseas market and provides crystal timing devices, frequency-controlled products, microwave sensing devices, audio plug & jacks, and, vibration motors, that have applications in semiconductor manufacturing, electronic appliances, Electrical power generation, electronic gadgets, and, satellite communication industries.
KAO Corporation has its head office in Nagano, Japan, and was established in 1940 as a manufacturer of resistors. The company deals in various resistors such as SMD, Leaded, Low resistance, and Current Sense Shunts. There are other products as well including thermal sensors. ICs, fuses, inductors, varistors, and more. The use of these components is vast with applications in medical equipment, satellites, automotive, home appliances, power supply units, and similar. Even the Ecology and Energy Saving industry benefit from these tools. the company also provides Design Support Tools in the form of 3D designs, and Technical notes.
ROHM Semiconductor was incorporated in 1940 and is headquartered in Kyoto, Japan. ROHM manufactures and sells electronic components worldwide. ROHM operates through the segments ICs, discrete semiconductor devices, and modules. ROHM provides ICs comprising memory, amplifiers and linear, power management, clocks and timers, switches and multiplexers, logic, data converters, sensors and MEMS, display drivers, motor/actuator drivers, interfaces, communication and speech synthesis LSI, audio and video, and microcontrollers. ROHM also offers discrete semiconductor products include MOSFETs, bipolar transistors, and diodes; power devices, including power transistors and diodes, SiC power devices, IGBT, and IPM; passive devices, such as resistors, and conductive polymer and tantalum capacitors; and various modules among others.
Panasonic Industry Europe is the European branch of Panasonic, a global manufacturer of electronics and houseware, originally founded in 1918. Panasonic Industry Europe manufactures in 4 categories: components, devices, energy & building, and automation devices & solutions. Components include relays, capacitors, resistors, sensors, switches, connectors, couplers. Devices include wireless connectivity, e-bike systems, motors, compressors, thermal solutions, GPS antennas, as well as electronic materials. Energy & building includes batteries, fuel cells, solar sells, power tools, and home IoT. Automation devices & solutions include sensors for factory automation, industrial motors, laser welding, and more.
Cyntec, established in 1991 in Taiwan, China, is a manufacturer and supplier of miniaturized and integrated products. They specialize in magnetic components, passive components, power modules, and RF & optical modules, serving various markets such as cloud computing, automotive, IoT, and more. The company’s products are known for their high performance, power handling, packaging density, and accuracy. Cyntec also utilizes advanced design and simulation techniques, adhering to international standards like ISO9001 & ISO/TS 16949, ISO 14001, OHSAS 18000, and IECQ QC080000. Their social responsibility, non-discrimination policies, and environmental consciousness further reinforce their esteem.
Token Electronics Industry Co., Ltd., established in Taiwan in 1983, is a manufacturer of electronic components and automatic production systems for commercial and industrial clients worldwide. The company produces a wide range of resistors, inductors, light sensors, microwave components, and RF components. Token Electronics Industry Co., Ltd. offers its clients a complete custom design, testing, and manufacturing service. The company's main export markets include Africa, Asia, Oceania, LATAM, and North America.
Microhm Electronics, founded in China, in 2003 is a manufacturer of high precision metal foil resisters. The company's product portfolio includes automotive grade resistors, SMD resistors, leaded resistors, power resistors and shunt resistors. Their products are used in markets such as Automotive and Transportation, Telecommunications, Industrial Automation, Healthcare and Medical Devices and Aerospace and Defense. The company also provides services including national distribution, product selection, installation, preventative maintenance, troubleshooting, repair and customer service.
Tyntek Corporation, established in 1987, and based in Taiwan, China, is a manufacturer and supplier of quality optoelectronic and LED lighting products. Tyntek offers a wide range of products, including LED lamps, displays, and modules, serving various industries such as automotive, consumer electronics, and industrial applications. Courtesy of its wide research and development capabilities, Tyntek provides new and energy-efficient solutions that meet the evolving needs of its customers. As a dependable provider of optoelectronic solutions, Tyntek continues to deliver good products and perfect customer service to clients worldwide.
Thin Film Technology (TFT)., established in, Baden-Württemberg, Germany in 1991 is a supplier engaged in the coating, printing, and drying laboratories worldwide. The company has a research center in the area of functional films with applications in future battery technologies, printed electronics, fuel cells, optical foils, functional coatings and printings. The company offers doctoral students and graduate students theoretical and experimental research work with the aim of understanding the film process technology.