AS 6845 DC Electromagnetic Spectrum
What is an Electromagnetic ?
An electromagnet is a device that works on the principle of electromagnet and consists of an iron core, a copper coil and a round metal disk. When current passes through the copper coil, the magnetic field generated will make the iron core a temporary magnet, which in turn attracts nearby metal objects. The function of the round disk is to enhance the suction force, because the magnetic field on the round disk and the magnetic field generated by the iron core will be superimposed to form a stronger magnetic force. This device has a stronger adsorption force than ordinary magnets and is widely used in industries, family life and scientific research.
These kind of electromagnet are portable, cost-effective, and efficient solutions to easily lift items such as steel plates, metallic plates, sheets, coils, tubes, disks, etc. It is usually consists of rare earth metals and alloys (e.g. ferrite) that make it capable of producing a stronger magnetic field. Its magnetic field is not consistent as it can switched on or off based on the particular needs.
Working principle:
The working principle of the suction cup electromagnet is based on the interaction between the magnetic field generated by electromagnetic induction and the metal object. When current passes through the copper coil, a magnetic field is generated, which is transmitted to the disk through the iron core to form a magnetic field environment. If a metal object nearby enters this magnetic field environment, the metal object will be adsorbed to the disk under the action of magnetic force. The size of the adsorption force depends on the strength of the current and the size of the magnetic field, which is why the suction cup electromagnet can adjust the adsorption force as needed.
AS 4027 DC Electromagnetic Round
What is an Electromagnetic ?
An electromagnet is a device that works on the principle of electromagnet and consists of an iron core, a copper coil and a round metal disk. When current passes through the copper coil, the magnetic field generated will make the iron core a temporary magnet, which in turn attracts nearby metal objects. The function of the round disk is to enhance the suction force, because the magnetic field on the round disk and the magnetic field generated by the iron core will be superimposed to form a stronger magnetic force. This device has a stronger adsorption force than ordinary magnets and is widely used in industries, family life and scientific research.
These kind of electromagnet are portable, cost-effective, and efficient solutions to easily lift items such as steel plates, metallic plates, sheets, coils, tubes, disks, etc. It is usually consists of rare earth metals and alloys (e.g. ferrite) that make it capable of producing a stronger magnetic field. Its magnetic field is not consistent as it can switched on or off based on the particular needs.
Working principle:
The working principle of the suction cup electromagnet is based on the interaction between the magnetic field generated by electromagnetic induction and the metal object. When current passes through the copper coil, a magnetic field is generated, which is transmitted to the disk through the iron core to form a magnetic field environment. If a metal object nearby enters this magnetic field environment, the metal object will be adsorbed to the disk under the action of magnetic force. The size of the adsorption force depends on the strength of the current and the size of the magnetic field, which is why the suction cup electromagnet can adjust the adsorption force as needed.
AS 3530 DC Magnet lift ( Holding Solenoid )
What is a round Magnet lift ?
A round electric Lifting Magnet is a device that works on the principle of electromagnet and consists of an iron core, a copper coil and a round metal disk. When current passes through the copper coil, the magnetic field generated will make the iron core a temporary magnet, which in turn attracts nearby metal objects. The function of the round disk is to enhance the suction force, because the magnetic field on the round disk and the magnetic field generated by the iron core will be superimposed to form a stronger magnetic force. This device has a stronger adsorption force than ordinary magnets and is widely used in industries, family life and scientific research.
These kind of magnets are portable, cost-effective, and efficient solutions to easily lift items such as steel plates, metallic plates, sheets, coils, tubes, disks, etc. It is usually consists of rare earth metals and alloys (e.g. ferrite) that make it capable of producing a stronger magnetic field. Its magnetic field is not consistent as it can switched on or off based on the particular needs.
Working principle:
The working principle of the suction cup electromagnet is based on the interaction between the magnetic field generated by electromagnetic induction and the metal object. When current passes through the copper coil, a magnetic field is generated, which is transmitted to the disk through the iron core to form a magnetic field environment. If a metal object nearby enters this magnetic field environment, the metal object will be adsorbed to the disk under the action of magnetic force. The size of the adsorption force depends on the strength of the current and the size of the magnetic field, which is why the suction cup electromagnet can adjust the adsorption force as needed.
AS 3930 DC Electromagnet (Round Lift Magnet )
What is an Electromagnet ?
An electromagnet is a device that works on the principle of electromagnet and consists of an iron core, a copper coil and a round metal disk. When current passes through the copper coil, the magnetic field generated will make the iron core a temporary magnet, which in turn attracts nearby metal objects. The function of the round disk is to enhance the suction force, because the magnetic field on the round disk and the magnetic field generated by the iron core will be superimposed to form a stronger magnetic force. This device has a stronger adsorption force than ordinary magnets and is widely used in industries, family life and scientific research.
These kind of electromagnet are portable, cost-effective, and efficient solutions to easily lift items such as steel plates, metallic plates, sheets, coils, tubes, disks, etc. It is usually consists of rare earth metals and alloys (e.g. ferrite) that make it capable of producing a stronger magnetic field. Its magnetic field is not consistent as it can switched on or off based on the particular needs.
Working principle:
The working principle of the suction cup electromagnet is based on the interaction between the magnetic field generated by electromagnetic induction and the metal object. When current passes through the copper coil, a magnetic field is generated, which is transmitted to the disk through the iron core to form a magnetic field environment. If a metal object nearby enters this magnetic field environment, the metal object will be adsorbed to the disk under the action of magnetic force. The size of the adsorption force depends on the strength of the current and the size of the magnetic field, which is why the suction cup electromagnet can adjust the adsorption force as needed.
AS 3340 DC Lift Magnet
What is a round lifting magnets ?
A round electric Lifting Magnet is a device that works on the principle of electromagnet and consists of an iron core, a copper coil and a round metal disk. When current passes through the copper coil, the magnetic field generated will make the iron core a temporary magnet, which in turn attracts nearby metal objects. The function of the round disk is to enhance the suction force, because the magnetic field on the round disk and the magnetic field generated by the iron core will be superimposed to form a stronger magnetic force. This device has a stronger adsorption force than ordinary magnets and is widely used in industries, family life and scientific research.
These kind of magnets are portable, cost-effective, and efficient solutions to easily lift items such as steel plates, metallic plates, sheets, coils, tubes, disks, etc. It is usually consists of rare earth metals and alloys (e.g. ferrite) that make it capable of producing a stronger magnetic field. Its magnetic field is not consistent as it can switched on or off based on the particular needs.
Working principle:
The working principle of the suction cup electromagnet is based on the interaction between the magnetic field generated by electromagnetic induction and the metal object. When current passes through the copper coil, a magnetic field is generated, which is transmitted to the disk through the iron core to form a magnetic field environment. If a metal object nearby enters this magnetic field environment, the metal object will be adsorbed to the disk under the action of magnetic force. The size of the adsorption force depends on the strength of the current and the size of the magnetic field, which is why the suction cup electromagnet can adjust the adsorption force as needed.
AS 2113 DC Electric Lifting Magnet Round
What is a round lifting magnets ?
A round electric Lifting Magnet is a device that works on the principle of electromagnet and consists of an iron core, a copper coil and a round metal disk. When current passes through the copper coil, the magnetic field generated will make the iron core a temporary magnet, which in turn attracts nearby metal objects. The function of the round disk is to enhance the suction force, because the magnetic field on the round disk and the magnetic field generated by the iron core will be superimposed to form a stronger magnetic force. This device has a stronger adsorption force than ordinary magnets and is widely used in industries, family life and scientific research.
These kind of magnets are portable, cost-effective, and efficient solutions to easily lift items such as steel plates, metallic plates, sheets, coils, tubes, disks, etc. It is usually consists of rare earth metals and alloys (e.g. ferrite) that make it capable of producing a stronger magnetic field. Its magnetic field is not consistent as it can switched on or off based on the particular needs.
Working principle:
The working principle of the suction cup electromagnet is based on the interaction between the magnetic field generated by electromagnetic induction and the metal object. When current passes through the copper coil, a magnetic field is generated, which is transmitted to the disk through the iron core to form a magnetic field environment. If a metal object nearby enters this magnetic field environment, the metal object will be adsorbed to the disk under the action of magnetic force. The size of the adsorption force depends on the strength of the current and the size of the magnetic field, which is why the suction cup electromagnet can adjust the adsorption force as needed.
AS 0520 DC Latching Solenoid
What is a DC magnetic latching Solenoid valve ?
A magnetic latching solenoid is equipped with a permanent magnet inside the housing that keeps the plunger in position magnetically when under no other force. With the internal permanent magnet maintaining attachment, only consuming power to reinstate attraction. The other push and pull linear movement is the same of the other DC power Solenoid.
The latching solenoid valves are divided into two types: single latching solenoid and double latching solenoid. It is easy to understand that the single latching solenoid only holds (self-locks) the iron core at one position at the end of the stroke. The double latching solenoid adopts a double coil structure, which can hold (self-lock) the iron core at two different positions at the beginning and the end, and the two positions have the same output torque.
AS 1261 DC Latching Solenoid
What is a DC latching Solenoid ?
A magnetic latching solenoid is equipped with a permanent magnet inside the housing that keeps the plunger in position magnetically when under no other force. With the internal permanent magnet maintaining attachment, only consuming power to reinstate attraction. The other push and pull linear movement is the same of the other DC power Solenoid.
The latching solenoid valves are divided into two types: single latching solenoid and double latching solenoid. It is easy to understand that the single latching solenoid only holds (self-locks) the iron core at one position at the end of the stroke. The double latching solenoid adopts a double coil structure, which can hold (self-lock) the iron core at two different positions at the beginning and the end, and the two positions have the same output torque.
AS 1236 DC Latching Solenoid valve
What is a DC latching Solenoid ?
A magnetic latching solenoid is equipped with a permanent magnet inside the housing that keeps the plunger in position magnetically when under no other force. With the internal permanent magnet maintaining attachment, only consuming power to reinstate attraction. The other push and pull linear movement is the same of the other DC power Solenoid.
The latching solenoid valves are divided into two types: single latching solenoid and double latching solenoid. It is easy to understand that the single latching solenoid only holds (self-locks) the iron core at one position at the end of the stroke. The double latching solenoid adopts a double coil structure, which can hold (self-lock) the iron core at two different positions at the beginning and the end, and the two positions have the same output torque.
AS 1151 Hunter DC Latching Solenoid
What is a DC latching Solenoid ?
A magnetic latching solenoid is equipped with a permanent magnet inside the housing that keeps the plunger in position magnetically when under no other force. With the internal permanent magnet maintaining attachment, only consuming power to reinstate attraction. The other push and pull linear movement is the same of the other DC power Solenoid.
The latching solenoid valves are divided into two types: single latching solenoid and double latching solenoid. It is easy to understand that the single latching solenoid only holds (self-locks) the iron core at one position at the end of the stroke. The double latching solenoid adopts a double coil structure, which can hold (self-lock) the iron core at two different positions at the beginning and the end, and the two positions have the same output torque.
AS 1046 DC Solenoid Latch
What is a DC magnetic latching Solenoid ?
A magnetic latching solenoid is equipped with a permanent magnet inside the housing that keeps the plunger in position magnetically when under no other force. With the internal permanent magnet maintaining attachment, only consuming power to reinstate attraction. The other push and pull linear movement is the same of the other DC power Solenoid.
The latching solenoid valves are divided into two types: single latching solenoid and double latching solenoid. It is easy to understand that the single latching solenoid only holds (self-locks) the iron core at one position at the end of the stroke. The double latching solenoid adopts a double coil structure, which can hold (self-lock) the iron core at two different positions at the beginning and the end, and the two positions have the same output torque.
AS 0722 B The role of automotive solenoid contr...
Automotive solenoid valves are electromechanical control elements commonly employed in today’s vehicles. They are primarily involved in the regulating process of fluids or gases like fuel, oil, air, coolant, and hydraulic fluids. The advancements in electrification, emission, and intelligent control in today’s cars have emphasized the need for solenoid valves to guarantee accuracy and efficiency.
This article describes the operational principle and construction of the moveable arm type of fluid pressure sensor and discusses the general applications of the sensor from the engineering or OEM viewpoint and answers various FAQs associated with the sensor.
- What Is an Automotive Solenoid Valve?=
An automotive solenoid valve is defined as an electrical-to-mechanical conversion device that opens, closes, and controls fluid passage using fluid mechanics principles and the conversion of electrical to mechanical energy through the solenoid coil's magnetic field, which acts on the plunger/armature to achieve this functionality.
Essential features:
Fast response time (milliseconds)
High reliability under vibration & temperature
Compact Design for Vehicle Embedding
Support for ECU control signals
- Functioning of an Automotive Solenoid Valve
Basic Operating Principle
On receiving electricity, current passes through a solenoid coil.
This produces a magnetic field, which then attracts the plunger.
The status then changes to either open or close the fluid passage.
When the power source is removed, the plunger goes back to its initial position due to a spring system.
Common Operational Profiles
Normally Closed (NC) configuration – The valve opens when it is energized.
Normally Open (NO) configuration – The valve closes when it is energized.
Proportional Solenoid Valve - The flow rate is varied through the current.
PWM Control Valve - The duty cycle is varied by the Engine Control Unit (ECU).
AS 1564 DC12V Solenoid Push and Pull: The Ultim...
About AS 1564 Solenoid Push and Pull :
This compact solenoid operates as a miniature electromagnet. It consists of a tightly wound copper coil surrounding a central metal plunger (armature). When energized with 12VDC or 24V DC, the electromagnetic field pulls the plunger into the center of the coil, creating linear motion. Depending on the application, this motion can be used for either pushing or pulling actions.
This particular model features a 64 mm-long body and includes a captive armature with a built-in return spring. When power is applied, the plunger is pulled inward; once the power is removed, the spring reliably returns it to its original position. Unlike many low-cost solenoids—which may be limited to push or pull types and lack either a return spring or captive plunger—this design offers improved reliability and ease of use. Additionally, integrated mounting tabs allow for easy installation.
Key Features:
Compact size: 64mm body length
Captive armature with return spring for automatic reset
Supports both push and pull operation
Operates at up to 12V or 24V DC, drawing approximately 250mA to 2 A
Sturdy mounting tabs for secure installation
Important Notes for Use:
To control this solenoid with a microcontroller (such as an Arduino), a power transistor is required to handle the current draw. A flyback diode must also be used to protect your circuit from voltage spikes generated when the solenoid is de-energized. Ensure you use a reliable power source, as solenoids demand significant current during activation and are not suitable for use with weak power sources like standard 9V batteries.
Choosing the Best Solenoid Coil for Your Specif...
What is the Working Principle of a DC Solenoid Coil?
Hey there! As a supplier of DC solenoid coils, I’ve noticed a surge in curiosity about how these versatile devices operate. Let me break it down in simple terms—no technical jargon required.
At Its Core: Electromagnetism in Action
A DC solenoid coil is essentially an electromagnetic device that transforms electrical energy into mechanical motion. Here’s the step-by-step breakdown:
The Basic Structure: At its heart lies a wire coil tightly wrapped around a ferromagnetic core (usually made of iron or steel, materials that easily magnetize). Inside or near this core is a movable plunger or armature—also made of ferromagnetic material.
Electricity Creates Magnetism: When a direct current (DC) flows through the coil, it generates a magnetic field around the core. This is a fundamental principle of electromagnetism: electric current in a conductor produces a magnetic field.
Motion from Magnetism: The magnetic field then exerts a force on the movable plunger. Since both the core and plunger are ferromagnetic, they’re attracted to each other. The plunger is pulled toward the core (or, in some designs, pushed away, depending on the coil’s configuration), creating linear motion.
The Right-Hand Rule: Visualizing the Magnetic Field
To picture the magnetic field’s direction, use the right-hand rule:
Wrap your right hand around the coil, with your fingers pointing in the direction of the current (from positive to negative).
Your extended thumb will point to the “north pole” of the magnetic field, showing which way the field flows through the core.
Why DC Solenoids Stand Out ?
Simplicity: They have few moving parts, making them easy to design, manufacture, and maintain.
Customizability: Coils can be tailored in size, wire gauge, and power requirements to fit specific applications (e.g., high-force industrial uses vs. low-power medical devices).
Reliability: With minimal wear and tear, they’re durable enough for long-term use in harsh environments (think automotive engines or industrial machinery).
Efficiency: DC power ensures steady, predictable magnetic fields, reducing energy waste compared to some AC alternatives. This makes them ideal for battery-powered devices.
Common Types of DC Solenoid Coils
AS 1035 12 Volts Latching Solenoid
What is a Latching Solenoid?
A latching solenoid is built in a or two permanent magnet, allowing magnetic attraction between the plunger and metal pole without any electrical power. This enables the latching solenoid to maintain position in either end state without consuming power.
Key Features of Latching Solenoids
Latching solenoids from Dr. Solenoid are designed to shift position using a momentary electrical pulse, while a spring or external load provides the return force. This structure offers several advantages:
-
Zero power consumption in holding state
Ideal for battery-operated, solar-powered, or low-energy systems (e.g., telecom lines).
-
No heat generation while holding
Suitable for temperature-sensitive applications (e.g., blood products, photochemicals, reagents).
-
No electrical noise in holding state
Due to the static magnetic field from the permanent magnet, ideal for precision measurement systems.
-
High-speed or downsized operation
Power can be concentrated in the pulse phase without overheating, allowing faster actuation or smaller device form factor.
Customized High Quality Electric Winding Air Co...
What is an air core inductor?
Air core inductors represent a fascinating class of electronic components that are unique in their design and functionality. The key to air core inductors (literally) is the avoidance of using magnetic material in the center region of the inductor coil. Instead, it uses free space – air – as the magnetic core. Since air is classified as a non-magnetic material, this puts air core inductors firmly in the category of non-magnetic core inductors.
Unique design and principle
The defining characteristic of an air-core inductor is its construction. Unlike magnetic core inductors, which are able to store and amplify magnetic flux, air-core inductors rely on the inherent inductive properties of the coil itself and the air around it. A magnetic field is generated when current flows through the coil, but without the influence of the magnetic core, that field behaves significantly differently. This fundamental design choice determines its performance attributes and application scenarios.
Performance characteristics
One of the most significant advantages of air-core inductors is their lack of core losses. Hysteresis losses (which occur when a magnetic material is repeatedly magnetized and demagnetized, dissipating energy in the process) and eddy current losses (which occur when current circulates inside the magnetic core) are absent in air-core inductors. No losses means higher efficiency, especially in high-frequency applications.
However, there are some drawbacks to this design. Since the magnetic permeability of air is very low compared to magnetic materials, the inductance value of air core inductors is usually relatively low. In order to compensate and obtain a larger inductance, it is usually necessary to increase the number of turns of the inductor coil. This in turn requires a higher magnetomotive force (MMF) to drive the current through the increased number of turns.
Circuit Symbols
The circuit symbol for air-core inductors, shown in Figure 1, visually demonstrates their uniqueness in electrical schematics. This symbol helps engineers and designers quickly identify air-core inductors and incorporate them into circuit designs, thereby facilitating the creation of innovative and efficient electrical systems.

