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This section provides an overview for fixed resistors as well as their applications and principles. Also, please take a look at the list of 16 fixed resistor manufacturers and their company rankings. Here are the top-ranked fixed resistor companies as of December, 2024: 1.First resistor & condenser Co. Ltd..
Table of Contents
A fixed resistor is an electrical resistor whose resistance is fixed and cannot be varied.
A resistor refers to a circuit element that controls the current value. If the circuit resistance were 0Ω, the circuit would be short-circuited and a large current would flow. To prevent this, a resistor is inserted to control the appropriate current.
Resistors include variable resistors, whose resistance value can be freely changed, and semi-fixed resistor, whose resistance value can be adjusted.
Fixed resistors are basic circuit elements used in all kinds of electronic circuits and have a variety of applications. Specific uses are as follows:
When a current passes through a resistor, electrons repeatedly collide with atoms in the resistive element. With each collision, the speed of electron movement decreases, resulting in a decrease in the number of electrons passing through in a given time. Since the number of electrons passing through per unit of time is the current value, it can be said that the collision with the resistive element is the essence of resistance.
Also, when electrons collide with atoms, part of the energy of the electrons is converted into heat, which is Joule heat. Ohm's law: "voltage = current × resistance" holds true between the current flowing through fixed resistors, the applied voltage, and the resistance value. Based on this, when designing a circuit, select fixed resistors with an appropriate resistance value based on the applied voltage and current value.
When a current flows through fixed resistors, a potential difference is generated at both ends of the resistor, and the power calculated by the current value x potential difference is consumed as Joule heat. If this power consumption is excessive, the resistor may burn out, so care should be taken.
The specifications of fixed resistors specify the rated power, which is "the maximum value of power that can be consumed continuously." Fixed resistors are used at 50% or less of the rated power, and components should be selected based on this.
Fixed resistors can be classified into the following three types in terms of structure.
The leaded type has lead wires connected to the electrodes at both ends of the fixed resistors and designed to be soldered by passing the lead wires through holes in a printed circuit board. Resistors can be further classified into the following types according to the material of the resistive element.
Carbon Film Resistors
Resistors with carbon adhered to the surface of porcelain or other materials as a resistive element, also called carbon resistors. The surface of the porcelain has spiral grooves, and the resistance value is set by changing the width and length of these grooves.
Because they are inexpensive, they are widely used in general circuits, but they have a large resistance error, with the usual product having an accuracy of about 5% of the nominal resistance value. They are also inferior to metallic resistors in terms of noise generation.
Metal Film Resistors
A resistor with a metal resistive element formed on the surface of porcelain. There are two types: a thick-film type, in which a resistive element paste is fired, and a thin-film type, in which the resistive element is vapor-deposited. Thick-film type has a small error margin of about 1%, and thin-film type has a higher accuracy of 0.05%.
They are used in measuring instruments, audio products, etc., where accurate resistance values are required.
Metal Oxide Film Resistors
These resistors are made of metal oxide, such as tin oxide formed on the surface of porcelain as a resistive element. They are mainly used in medium power circuits such as power supplies because of their excellent heat resistance and ability to handle relatively high power.
Metal Glaze Film Resistors
This type of resistor uses a mixture of metal, metal oxide, and glass as the resistive element, and its thick film structure provides stable characteristics and resistance to environmental changes. They also have excellent corrosion resistance. This resistive element is used not only in leaded type but also in chip resistors.
The surface-mount type, which does not come with lead wires, is intended for surface mounting. Since this method of mounting components on the surface of the board can reduce the board space, it was actively used in electronic devices that require miniaturization at first, but now surface-mount type components have become the mainstream.
From the structural aspect, surface mount type resistors can be classified into two types: rectangular chip resistors and cylindrical chip resistors.
Rectangular chip resistors
Resistors use metal glaze as a resistive element.
Cylindrical chip
Originally, it was a leaded resistor with the lead wire removed, but now it is a resistor with a carbon film or metal film resistive element.
Cylindrical type was first popularized as surface mount type resistors, but square chip resistors are now widely used due to their ease of use in the soldering process.
A wire-wound resistor is a resistive element made of metal wire wound in a spiral shape. The structure of winding a uniform metal wire with a fixed length allows for highly accurate resistance value setting and a large power capacity. Moreover, by appropriately selecting the resistive element, the change in resistance value due to temperature change can be suppressed.
However, because of its winding structure, it exhibits coil inductance characteristics with respect to AC current, and the higher the frequency, the greater the impedance, which results in a smaller current. This characteristic has an adverse effect in the high-frequency range, so non-inductive winding may be used to prevent this.
Metal Clad Resistors
This term refers to metal-clad resistors. It is a wire-wound resistor with a metal cladding. Since they are intended to be used in high power circuits, some are equipped with a heat sink or heat dissipation fins to prevent heat generation.
Enameled resistors
A metal wire that serves as a resistive element is wound around a core made of porcelain or other material, and an enamel exterior is attached to protect it. Because of its heat-resistant structure, this type of resistor is used in applications where heat generation is inevitable.
Incidentally, enamel is a glassy glaze baked at high temperature on the surface of metallic materials such as iron, aluminum, and stainless steel.
Cement resistors
A wire-wound resistor is housed in a porcelain case and covered with cement. A similar structure is sometimes used for oxide film resistors. Since they are strongly protected by cement, they are very strong against heat and vibration. It is used for high power circuits.
*Including some distributors, etc.
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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.
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.
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.
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.
Elektronische Bauelemente GmbH (EBG), founded in 1977 and currently a subsidiary of Miba AG, is a manufacturer headquartered in Kirchbach-Zerlach, Austria, specializing in non-inductive thick film resistors for electronics. The company’s product portfolio comprises power resistors and ultra-high power resistors, carbon disc resistors, high-voltage cylindrical resistors, high-voltage flat resistors, and high-precision metal film resistors. Additionally, the company offers voltage dividers and network resistors, and ultra-high precision resistors. Furthermore, the company offers custom individual parts, assemblies, and prototypes. These resistors find applications in various segments of power electronics, including electrification, energy transmission and distribution, as well as industrial machinery and control systems.
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.
Hokuriku Electric Industry Co. LTD., founded in 1943 and headquartered in Toyama, Japan, is a manufacturer and supplier of electronic components. Some of its products include circuit modules, fixed resistors, printed circuit boards, variable resistors, and NTC Thermistors, and it has eight domestic affiliate companies and 11 overseas affiliate companies, including HDK America Inc., and HDK China Ltd. The company is ISO 14001 certified, and it is working on producing products that are RoHS compliant. Its net sales for the 2022 fiscal year were 45.46 billion Japanese Yen, which was a 5.01 billion YoY increase from 2021.
Kura Electronics & Electricals is a manufacturer and supplier of electronic components and electrical products. It is headquartered in Pune, Maharashtra, India and has been in operation since 1995. The company designs, manufactures, and supplies various electronic components and electrical products, including relays, connectors, and cables. Its relay products including PCB power, telecom relay, automotive, general control, solid state, and panel mounting relay are used in various industries, including automotive, telecommunications, and industrial automation. The company also offers technical support, installation, and training services to ensure efficient utilization of its products.
Established in 1996, JDC is a manufacturer of resistors in China. Over the span of 16 years, they have over 800 employees. JDC's monthly output has crossed 5000 million pieces. Their products are sold in the United States, Germany, Britain, France, Brazil, Mexico, Colombia, South Korea, Singapore, Indonesia, Malaysia and other countries. Their range of patents includes 25 patented technologies, 13 national new products, and 12 national technologies. Their products consist of load banks, dummy load banks, UPS battery testing, load banks for generator testing, etc.
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.
ZONKAS ELECTRONIC CO., LTD., established in 1982 in Taiwan, is a manufacturer of inductors, capacitors, and electrical components. The company's main products include electrolyte capacitors, multilayer leaded ceramic capacitors, transformers, axial fixed inductors, and gas discharge tubes, used by OEM manufacturers worldwide. ZONKAS ELECTRONIC CO., LTD.'s registered brand is ZONKAS, and the company holds ISO 9001 and IS 14001 certifications. The company has its main factory and secondary office located in China.
Established in 1985, Hong Kong Resistors Manufactory is a manufacturer of resistors in Hong Kong. With three factories located in mainland China, they produce SMD and through-hole resistors. They offer various electronic component supporting services. Their product range includes chip capacitors, electrolytic capacitors, metal film capacitors, and ceramic capacitors, all of which are produced in compliance with the EU RoHS environmental protection requirements. Their products are made by following SGS laboratory material analysis reports.
Synton-Tech, established in 1988, is a Taiwanese manufacturer of passive components such as resistors, capacitors, and inductors. With 34 years of manufacturing and supplying, their production lines are strictly controlled. They continuously develop new products and expand production lines. Since they are manufacturer and not supplier, they have various distributing agents that white label their products, including WALSIN, KAMAYA, UNIOHM, CHENG TUNG, and GRANDE. Some other distributing agents they use are YAGEO, CHILLISIN, EVER OHMS, and HOLY STONE.
Located in Taiwan since 1969, First Resistor & Condenser Co. Ltd. is an ISO9001/14001 certified manufacturer of MELF-type resistors, including a range of custom resistors such as high voltage, short circuit protection, dual power, and high humidity resistors. Firstohm designs customized thin-film MELF resistors to meet specific requirements. Their development of various resistor types responded to the rapidly changing landscape of global technologies. Their resistors are used in various applications, including power supply, solar inverters, energy storage equipment, communication equipment, and medical devices.
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.
Royal Electronic Factory Co. Ltd., located in Chachoengsao, Thailand and established in 1978, is a manufacturer and distributor of electric resistors and related components. The company uses different types of chip resistors, such as thin film, high power, high surge, and anti-sulfuration. Its product portfolio includes DIP-type through-hole resistors, cement resistors, high-power industrial resistors, customized resistors, and ceramic rods. These products are used in consumer electronics, automotive, power supply, medical, industrial, and IoT applications.
Ranking as of December 2024
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | First resistor & condenser Co. Ltd. |
100.0%
|
Derivation Method
The ranking is calculated based on the click share within the fixed resistor page as of December 2024. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
Taiwan
|
6 | 37.5% |
|
United States of America
|
3 | 18.8% |
|
Japan
|
2 | 12.5% |
|
China
|
2 | 12.5% |
|
Austria
|
1 | 6.3% |
|
India
|
1 | 6.3% |
|
Thailand
|
1 | 6.3% |
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