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This section provides an overview for samarium cobalt magnets as well as their applications and principles. Also, please take a look at the list of 30 samarium cobalt magnet manufacturers and their company rankings. Here are the top-ranked samarium cobalt magnet companies as of April, 2025: 1.Tokin America, Inc, 2.Applied Magnets Superstore, 3.CMI Integrated Technologies.
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A samarium cobalt magnet, a type of rare-earth magnet, is predominantly composed of samarium and cobalt. Known for its strong magnetic force and excellent heat resistance, it does not require plating due to its rust resistance. However, it is prone to chipping and is extremely brittle due to its high hardness.
These magnets are used in high-temperature environments, such as in microwave ovens and magnetrons, automotive motors and ignitions, and various compact devices like actuators, magnetic sensors, microswitches, small relays, and laser devices. Their heat resistance and compactness make them versatile for both industrial and smaller-scale applications.
With samarium and cobalt as their primary components, these magnets boast a high Curie temperature (700 to 800°C), enabling them to maintain magnetism in high-temperature conditions. Their rust resistance stems from the absence of iron. Despite their advantages, the rarity of the materials makes them expensive and subject to price fluctuations.
Samarium cobalt magnets can ignite under certain conditions, especially when polished surfaces come into contact with air. They are brittle and can produce flammable metallic powders upon impact. Therefore, they are classified as hazardous materials, necessitating careful handling to prevent the formation of potentially flammable powder.
Research into rare earth magnets began in the 1960s, leading to significant advancements in magnet technology. The discovery in the 1970s that samarium combined with cobalt could dramatically improve magnet performance led to the invention of the samarium cobalt magnet by Dr. Yoshio Tawara in Japan. This magnet's development, including the Sm2(Co,Fe,Cu,Zr)17 composition, enabled the miniaturization of devices like Sony's first-generation Walkman.
*Including some distributors, etc.
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Tokin America Inc., headquartered in San Jose, California, is a supplier of passive electronic components in North, South, and Central America and is a subsidiary of Tokin Corporation. Its diverse product range includes capacitors, noise countermeasure components, and sensors used in several industries, including telecommunication, automotive electronics, and digital home appliances. The company also provides specialized design support and works with several distributors within the United States, including Future Electronics, WPG Americas, and Bravo Electronics.
Applied Magnets, founded in 2005 and based in Plano, Texas, USA, is a manufacturer and supplier of quality magnets and magnetic products. The company's extensive product range encompasses neodymium magnets, magnetic assemblies, and magnetic tools used in various industries like electronics, automotive, and renewable energy. Applied Magnets' products play a crucial role in applications such as magnetic separation, sensing, and motor systems. The company aims to provide customers with magnetic solutions that meet their specific needs. Applied Magnets also continues to deliver superior products that enhance the efficiency and performance of diverse industries.
Magnetic Component Engineering, Inc., founded in 1973, is a manufacturer of magnets and magnet assemblies based in Torrance, USA. The company provides services for the medical, defense, and aerospace industries. Their products are SAE AS9100D and ISO 9001:2015 certified. MCE's capabilities extend to research laboratories, semiconductors, telecommunications, and industrial applications. Known for unbeatable speed and responsiveness, With extensive experience, they can provide customized solutions, such as vacuum compatible systems for the semiconductor industry and critical communication links for telecommunication applications.
Magnaworks Technology, Inc., established in Bohemia, NY, in 1996 is a manufacturer of magnets that are used in bio-magnetics, motion control, and aerospace. Their product portfolio includes magnet types such as Bonded Neodymium, injection Molded Neodymium Iron Boron, Sintered Neodymium, Alnico and Hard Ferrite. The company's products find application in Electric Motors and Generators, Medical Devices and Magnetic Sensors. The company also offers customer services that include design, assessment; quality control and customized services.
Integrated Magnetics was established in 1955 and based in Culver City, CA, as a manufacturer of permanent magnets, precision magnetic assemblies, electro-mechanical components, and custom electrical machines built for commercial, industrial, technical, and mission-critical applications. The company produces motors, rotors, halbach arrays, linear & rotary actuators, as well as motion & position sensors, alternators, and generators. The company serves the defense, aerospace, transportation, medical, and semi-conductor industries by offering services including finite element analyses, and quality planning & assurance. They also offer CNC machining, grinding programming, machine tooling & fixturing, and inspection tooling for industrial automation and energy sectors.
Bunting was founded in 1959 and is headquartered in Newton, Kansas. The company is a family-owned manufacturer of standard and custom magnetic components for domestic and international customers from industries such as food processing, plastics, recycling, and mining. The company’s main product lines include magnetic separation, metal detection material handling equipment, printing products, and custom magnets & magnetic assemblies. Custom designs include materials such as ceramic ferrite, alnico, and samarium cobalt and are made for Halbach arrays, pump couplings, actuators, and other components.
Bunting Dubois began in 1959 as Bunting Magnetics, Co. in Chicago, Illinois as a magnet manufacturer. Today, the company is based in Bunting, Pennsylvania, has attained ISO 9001:2015 certification, and manufactures a full range of magnetics manufacturing with both ferrite and rare earth compounds for consumers around the world in industries spanning aerospace, automotive, medical, and industrial manufacturing. The company seeks to source magnetic material outside of China in conflict-free areas and performs 100% of manufacturing inside the United States. The company assists customers by providing engineering and application support to produce solutions, especially in the case of rare earth magnets.
Arnold Magnetic Technologies is a manufacturer of magnets, magnetic assemblies, and precision thin metals based in New York since 1895. The company deals in permanent magnets, flexible composites, electromagnets, magnetic assemblies, and precision thin metal foils. The permanent magnets, such as L-Type Laminated ones have various applications in the aerospace, automotive, motorsport, and industrial markets. Similarly, alloy strips and foils are used in industries that need to improve the power density of motors, transformers, and batteries. The composite sheets and strips are used for X-ray and gamma-ray radiation absorption, and RFI/EMI shielding and electromagnets are vital for defense projects.
Alliance LLC is a supplier of permanent magnets and a manufacturer of customized magnetic assemblies for the automotive, industrial, medical, alternative energy, and communication industries. The company has several locations in the US, including Indiana, Kentucky, California, and Texas, and one outside the US, Mexico. Additionally, the company has ISO9001:2015 certification, and all suppliers within the Alliance LLC group are certified with ISO14001 Environmental Standards. Alliance LLC offers various neodymium discs and blocks for developmental and prototype projects. In addition to manufacturing custom designed magnetic assemblies, the company also has an extensive inventory of Ferrites, NdFeB, and Bonded magnets.
Adams Magnetic Products was founded in 1950 and is based in Elmhurst, Illinois. The company is an engineer and custom manufacturer of magnetic products serving aerospace, medical applications, packaging, green energy, data storage, and several other industries. The company’s product divisions include sheet& strip magnets, magnet assemblies, rare earth magnets, alnico, and ceramic magnets. Magnets can be coated and plated with materials such as epoxy, nickel, chrome, and vinyl. The company provides application and design engineering assistance, testing, CAD services, and product planning services for customers.
Master Magnetics, founded in the year 1976, and based in Florida, USA, is a manufacturer and supplier of a wide variety of magnets. Their product portfolio includes flexible magnetic material, rare earth magnets, neodymium magnets, ceramic magnets, samarium cobalt magnets, and alnico magnets. The company also offers custom cutting solutions, printing, and caring for flexible magnets services. The products are used in multiple industries which include automotive, hardware, cow or animal magnets, home improvement, and hobby magnets.
Viona Magnetics, established in 1999, is a manufacturer and distributor of permanent magnets, magnetic assemblies, magnetic couplings and machined parts based in Hicksville, New York. The company has services such as machining, injection molding, fabrication, welding, and waterjet cutting to produce Ceramic, Alnico, Flexible, Samarium Cobalt (SmCo) and Neodymium (NdFeB) magnets used in the medical, aerospace, defense, consumer goods, and alternative energy industries. In the medical sector, the magentics are used in dentures, magnetic therapy and MRI scanners and in the aerospace and defense field magnets are used in magnetic bearings, position sensors, waveguides and motion control.
Tridus Magnetics & Assemblies, established in 1982, is a manufacturer and distributor of rare earth permanent magnets for use in audio transducers, electric vehicles, and other applications. The company, based in Rancho Dominguez, California, has a joint venture with San Huan High-Tech., Inc to manufacture sintered NdFeB magnets in Ningbo, China. Their Tri-Neo magnets are used in the automotive, industrial, and consumer electronics industries. Tridus also produces and supplies magnetic assemblies, Samarium Cobalt, and Ferrite magnets.
OneMonroe was founded in the 1920s and is located in Rochester Hills, Michigan. OneMonroe is an ISO 9001:2015 and AS9100D certified global industrial manufacturing company serving several types of customers including manufacturers, distributors and catalog-houses across several vertical markets including aerospace/defense, automotive, medical, and transportation. Product lines include adjustable handles, bearings, casters, gaskets, hydraulic clamping, military spec hinges, molded rubber, piano hinges, pins, pull handles, quick release pins, seals, springs, toggle clamps, and various harnesses. Custom manufacturing is also available to meet specific customer needs.
Sinotech is based in Portland, Oregon with offices in China. Sinotech is a distributor for custom-engineered electrical motors, motor components, and mechanical components manufactured in China. Sinotech’s motors include AC motors, DC motors, brushless DC motors, slotless high speed BLDC motors, stepper motors, cordless motors, gear motors, servo motors, and miniature motors. Motor components include laminations, wound coils, armature and field coils, brushes, and communicators. Mechanical components include assemblies, die castings, investment castings, sand castings, shafts, steamed metal parts, tubular metal parts, machined extrusions, plastic parts, rubber parts, and secondary processing.
Goodfellow was established in 1946. Goodfellow is a distributor of metals, alloys, ceramics, polymers, and compounds for scientific and academic research, manufacturing, and design industries. Goodfellow products are ISO 9001:2008 accredited. Goodfellow provides services, custom manufacturing, and standard supplies for customers. Service includes access to its knowledge base as well as technical expertise. Custom manufacturing is available for different cycles of manufacturing, precision machining forming, coating, and surface treatment. Standard supplies include access to over 150,000 in-stock advanced scientific materials.
CITIZEN FINEDEVICE CO., LTD. is a Japanese manufacturer headquartered in Fujiyoshida, Yamanashi. It was established in 1959 through the merger of three Japanese companies: Citizen Miyota Co., Ltd., Citizen Finetech Co., Ltd., and Citizen Seimitsu Co., Ltd. The company specializes in precise metal parts for automobiles and other products, including quartz oscillators and ceramic components. Production processes are supported by various technologies, such as precise metal part machining, thin-film technology, and sealing technology, catering to different applications. Since 2019, CITIZEN FINEDEVICE, along with its holding company CITIZEN Group, has actively implemented Responsible Minerals Procurement Policy and Environmental Policy.
Magma Magnets Ltd, founded in 1979, is a supplier of magnets and industrial magnetic solutions to companies. The company's main products include ferrite ceramic magnets, rare earth magnets, electromagnets, solenoids, and magnetic assemblies. These products are widely used in electric motors, loudspeakers, magnetic clutches,, magnetic conveyors and separators , among other applications. Its main customers include manufacturers who require special magnets designed based on their specific requirements. The company exports most of its products to customers in the automotive industry in Europe, Canada, and the USA.
Eclipse Magnetics is a British ISO 9001 manufacturer of permanent magnets that was established in 1914, and has been operating as a subsidiary of Spear & Jackson Group since 2001. Based in Sheffield, the company produces over 20,000 magnetic products for various uses including lifting, clamping of assemblies, filtration or separation, detection, and heating. Their products are primarily used by clients in the automotive, food production, chemical processing, and metal fabrication sectors. Eclipse Magnetics also provides customization, design, engineering, and prototyping services for full magnetic assemblies or new products.
Electron Energy Corporation, founded in the year 1970, based in Pennsylvania, USA, is a manufacturer and supplier of rare earth magnets and special magnets. Their product portfolio includes permanent magnets, neodymium magnets, alnico, magnetic assemblies, and specialty magnets. The products are used in various industries which include aerospace, defense, medical, industrial, oil & gas, and telecommunications. The company also provides services that include prototyping, finite element analysis, engineering, research, and development with in-house manufacturing.
Magnetic Hold, Inc., headquartered in Hendersonville, Tennessee, is a manufacturer and supplier, specializing in providing magnetic solutions and products. Their offerings include magnetic assemblies, magnets, and magnetic materials for various industries such as automotive, aerospace, mining, and pharmaceuticals in which their products are used for applications such as magnetic separation, lifting, holding, conveying, and magnetic sensing. The company adheres in maintaining standards to ensure efficient magnetic solutions for their customers' industrial needs.
Celduc Inc. through Celduc Transfo was founded in 1960 as a manufacturer of transformers. Celduc Inc. is based in, France. Celduc Inc. was officially created in 2020 and headquartered in Centerport, New York. Celduc creates electronics and customized products for industries including railway, plastic, packaging, medical, and electronics. Celduc’s main product lines include solid state relays, magnetic proximity sensors, reed relays & switches, and customized products. Customized products are versions of other products adapted for use in industries with special needs such as nuclear power, aircraft, and agriculture.
Founded in 1968, Sagami Chemical Metal Co., Ltd. is a Japanese manufacturer and distributor headquartered in Sagamihara, Kanagawa, specializing in permanent magnets. Rare-earth magnets, the strongest permanent magnet, are offered under the NEOFLUX lineup, comprising neodymium magnets that retain magnetism even with size and weight reduction. The company also provides samarium-cobalt magnets, a type of rare-earth magnets which is resistant to rust and high temperatures. Other product offerings include cast magnets, neodymium magnets, made from plastics and metal powder for flexible shaping, as well as corrosion-resistant ferrite magnets. Furthermore, the company offers magnet-based products such as vibration motors for mobile phones.
Shin-Etsu Chemical Co., Ltd., founded in 1926 in Japan, is a manufacturer and distributor of synthetic chemicals and electronic materials, such as semiconductor silicon and rare earth quartz. The company offers a wide range of products, including silicone sealants and rubbers, as well as cellulose derivatives used in foods and pharmaceuticals, and rare earth magnets. The company has four core business segments, including infrastructure chemicals, electronics materials, silicone-based functional agents, and specialized engineering for the development of plant design, construction, and maintenance.
Seiko Inn Sur was established in 1937 and headquartered in Chiba-shi, Japan is a manufacturer of electronic components, mechanical precision parts and printing devices. The company boasts an extensive and diversified product portfolio including miniature ball bearings, thermal printers, superior performance Co-Ni alloy products, and rare earth magnets among others. These products span a wide spectrum of industries and sectors including commercial printing companies, healthcare facilities, automotive, household appliances, and in the production of musical instrument accessories.
Stanford Magnets was established in 1994 and is a manufacturer and supplier of permanenet magnetic products based in Lake Forest, California, United States. The company produce neodymium cylinder magnets, SmCo ring magnet, and alNiCo channel bar magnet. Custom magnets and magnetic assemblies are also provided by the company. The company supply grain boundary diffusion, low HRE technology, and multipole ring technology. Quality control of the company has been certified with ISO 9001, ISO 14001, and ISO/TS16949 standards.
Ranking as of April 2025
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Tokin America, Inc |
12.7%
|
| 2 | Applied Magnets Superstore |
7.7%
|
| 3 | CMI Integrated Technologies |
6.6%
|
| 4 | Magnetic Component Engineering LLC |
5.5%
|
| 5 | Alliance LLC |
5.0%
|
| 6 | Arnold Magnetic Technologies |
4.4%
|
| 7 | Goodfellow |
4.4%
|
| 8 | Magnaworks Technology, Inc. |
4.4%
|
| 9 | MASTER MAGNETICS , Inc. |
3.9%
|
| 10 | Adams Magnetic Products Co. |
3.9%
|
Derivation Method
The ranking is calculated based on the click share within the samarium cobalt magnet page as of April 2025. 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 (%) |
|---|---|---|
|
United States of America
|
17 | 68.0% |
|
Japan
|
5 | 20.0% |
|
Israel
|
1 | 4.0% |
|
United Kingdom
|
1 | 4.0% |
|
China
|
1 | 4.0% |
159 products found
159 products
T-Technology Ltd.
650+ people viewing
Last viewed: 24 minutes ago
■About samarium cobalt magnets Compared to Nd-Fe-B sintered rare earth magnets, this magnet has superior heat resistance, temperature characteristi...
16 models listed
Magtech Co., Ltd.
220+ people viewing
Last viewed: 2 hours ago
■Features of Samakoba magnets It is composed of the rare earth elements samarium and cobalt. Samarium cobalt magnets have the highest magnetic prop...
Actus Co., Ltd.
400+ people viewing
Last viewed: 15 hours ago
It is a sintered product whose main ingredients are samarium (Sm) and cobalt (Co), and there are two types of materials: 1-5 series (SmCo5) and 2-1...
5 models listed
Actus Co., Ltd.
700+ people viewing
Last viewed: 14 hours ago
It is a sintered product whose main ingredients are samarium (Sm) and cobalt (Co), and there are two types of materials: 1-5 series (SmCo5) and 2-1...
10 models listed
Sagami Chemical Metal Co., Ltd.
190+ people viewing
Last viewed: 1 day ago
■Samakoba A sintered product composed of samarium (Sm) and cobalt (Co), available in two materials: 1-5 series and 2-17 series. Since the material ...
Nippon Magnet Industry Co., Ltd.
140+ people viewing
Last viewed: 4 hours ago
■Features Rare earth magnets have rapidly grown to surpass ferrite magnets in terms of production value, and because their magnetic energy is much ...
Sagami Chemical Metal Co., Ltd.
370+ people viewing
Last viewed: 16 hours ago
■Samakoba A sintered product composed of samarium (Sm) and cobalt (Co), available in two materials: 1-5 series and 2-17 series. Since the material ...
4 models listed
Kinki Magnet Application Co., Ltd.
190+ people viewing
Last viewed: 18 hours ago
■Overview of samarium cobalt magnets A binary alloy of samarium and cobalt that has a high magnetic energy product. Samarium cobalt magnets have a ...
Neo Mag Co., Ltd.
890+ people viewing
Last viewed: 18 hours ago
Like neodymium magnets, most custom -made shapes are possible in addition to standard and stock items, and can be delivered from one short delivery...
10 models listed
Neo Mag Co., Ltd.
320+ people viewing
Last viewed: 21 hours ago
Like neodymium magnets, most custom -made shapes are possible in addition to standard and stock items, and can be delivered from one short delivery...
Neo Mag Co., Ltd.
870+ people viewing
Last viewed: 3 hours ago
Like neodymium magnets, most custom -made shapes are possible in addition to standard and stock items, and can be delivered from one short delivery...
10 models listed
Neo Mag Co., Ltd.
950+ people viewing
Last viewed: 15 hours ago
Like neodymium magnets, most custom -made shapes are possible in addition to standard and stock items, and can be delivered from one short delivery...
10 models listed
Neo Mag Co., Ltd.
270+ people viewing
Last viewed: 1 day ago
Like neodymium magnets, most custom -made shapes are possible in addition to standard and stock items, and can be delivered from one short delivery...
Neo Mag Co., Ltd.
620+ people viewing
Last viewed: 1 day ago
Like neodymium magnets, most custom -made shapes are possible in addition to standard and stock items, and can be delivered from one short delivery...
4 models listed
Magever Co., Ltd.
560+ people viewing
Last viewed: 4 hours ago
This product is a strong neodymium magnet, Samacoba (Samarium Cobalt) magnet with a metal cap attached. By attaching the cap, the suction power wil...
10 models listed
Sugatsune Industries Co., Ltd.
100+ people viewing
Last viewed: 1 day ago
■Features - Heat resistant (approximately 250℃) magnetic catch with high adsorption power. - Made of stainless steel, it has excellent rust resista...
Magna Co., Ltd.
660+ people viewing
Last viewed: 5 hours ago
There are two types of rare earth magnets (rare earth magnets) and two types of neodymium magnets (Neoji ND-FE-B) and summer cobalt magnets (Samako...
10 models listed
Magna Co., Ltd.
930+ people viewing
Last viewed: 9 minutes ago
There are two types of rare earth magnets (rare earth magnets) and two types of neodymium magnets (Neoji ND-FE-B) and summer cobalt magnets (Samako...
10 models listed
Magna Co., Ltd.
770+ people viewing
Last viewed: 21 hours ago
There are two types of rare earth magnets (rare earth magnets) and two types of neodymium magnets (Neoji ND-FE-B) and summer cobalt magnets (Samako...
10 models listed
Magna Co., Ltd.
690+ people viewing
Last viewed: 4 hours ago
There are two types of rare earth magnets (rare earth magnets) and two types of neodymium magnets (Neoji ND-FE-B) and summer cobalt magnets (Samako...
10 models listed
Magna Co., Ltd.
450+ people viewing
Last viewed: 9 hours ago
There are two types of rare earth magnets (rare earth magnets) and two types of neodymium magnets (Neoji ND-FE-B) and summer cobalt magnets (Samako...
3 models listed
Magna Co., Ltd.
730+ people viewing
Last viewed: 7 hours ago
There are two types of rare earth magnets (rare earth magnets) and two types of neodymium magnets (Neoji ND-FE-B) and summer cobalt magnets (Samako...
4 models listed
Nippon Magnetics Co., Ltd.
70+ people viewing
Last viewed: 27 minutes ago
■NMI's various bar magnets Are you using it incorrectly? You can choose according to your usage and environment. ■Heat-resistant temperature 200℃ ...
Nippon Magnetics Co., Ltd.
60+ people viewing
■Applications You can use it by placing it on the bottom of a hopper, in a liquid tank, or by hanging it. ■Features ①The arrangement spacing of th...
