About Us

Proper Solenoid (Electronics) Co.,Ltd

Tel : 0086-0755-28732058

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About Us

PROPER was established in 2000 and is a leading manufacturer in the field of electromagnetics, specializing in the customization and innovation of high-quality electromagnetic products. We offer a diverse range of products, including custom transformers, high-frequency transformers, power transformers, toroids, inductors, coils, electromagnets, and electromagnetic valves, as well as products in the new energy and smart electronics categories.

Push-Pull Electromagnets,Electromagnets and Tubular Electromagnets,Rotary Electromagnets,Open Frame Electromagnets,Flapper Electromagnets,Air Solenoid Valves coil,Keep Solenoids,Electromagnetic Coils,New Energy Products (e.g., solar feedback circuits, charging station inductors),Smart Electronics Products (e.g., electromagnetic components for smart home control, electromagnetic drives for smart toys).

PROPER possesses formidable research and manufacturing capabilities in the fields of new energy and smart electronics. Our design team, with its wealth of experience, is committed to providing advanced solutions for new energy and smart electronic applications. We prioritize not only product performance but also staying at the forefront of future technological trends.

Global Market Coverage:
Our products have a wide-reaching sales network, spanning domestic markets, Europe, North America, Japan, and Southeast Asia. We deliver innovative and high-performance products to clients in the new energy and smart electronics industries. Our company has garnered a strong reputation within the industry, creating higher value for our clients.

Application Areas:

PROPER products find widespread applications in industries such as automotive, health equipment, smart toys, new energy, and smart electronics. With a spirit of continuous innovation, we provide comprehensive solutions to assist our clients in succeeding in the fields of new energy and smart electronics.

Company Vision:
PROPER adheres to the principle of "Quality First, Customer Supreme." Our vision is to continuously innovate and provide excellent service, delivering high-quality and high-performance electromagnetic products, as well as leading-edge new energy and smart electronic products to drive the ongoing development of the entire industry. We strive to collaborate with our clients to create a brighter future together.

CUSTOM TRANSFORMERS

Proper designs, prototypes, and manufactures custom electronic transformers to meet exacting customer requirements. We build custom transformers and inductors of our own designs as well as

designs provided by our customers, and we serve a wide variety of industries and applications, including defense/military, aerospace/aeronautics, transportation, broadcast communications,

industrial controls, medical equipment, and many others.

Proper Transformer can contribute to all stages of the product-development lifecycle, from initial product design and prototype to manufacture, test, and service according to existing

specifications. Our facility is equipped with precision manufacturing and testing equipment to ensure both quality and competitive pricing. We offer 100% testing according to customer

specifications.

Our design engineers work with customers to define specifications for new products, and we offer prototyping services to ensure that our products fully meet your requirements.
PROPER can design and m

anufacture custom transformers to meet nearly any requirement. For more information about how we can provide your transformer needs, please send us your

specifications or call us today!

We offer PC mount transformers in a number of con

figurations to meet both the power and dimension requirements of your electronics projects. In addition to the iron-core, through-hole transformers described on this page, we also manufacture surface-mount transformers in an array of configurations.

HIGH FREQUENCY TRANSFORMERS

High frequency transformers offer the advantage of smaller size and weight for a given power output. The trade-off being that these transformers require external circuitry to

drive the high frequencies. High-frequency transformers generally use ferrite cores, as opposed to iron cores, resulting in lower remanence and higher efficiency.

While many high-frequency transformers are built for PC-mount configurations, PROPER can manufacture high-frequency transformers of almost any size.

We are experienced in high-frequency transformer design, and we have the evaluation equipment to measure the effects inherent in high-frequency environments,

such as leakage inductance, inter/intra-winding capacitance, proximity effects, and parasitic capacitance.

Proper can design and manufacture high-frequency transformers to meet nearly any requirement. For more information about how we can provide your transformer needs,

please send us your specifications or call us today!

POWER TRANSFORMERS

Power Transformer is a broad term for many kinds of transformers used to deliver power. PROPER manufactures power transformers for a wide variety of applications—typically no larger than 10 KVA.

A transformer in its most basic form is two coil windings that are inductively coupled to each other. When an alternating current is applied to one of the windings, that winding is referred to as the primary winding. The current gives the core of the transformer a varying magnetic flux and generates a varying magnetic field through the second winding. This produces a varying voltage on the secondary winding by an effect called mutual induction.

Depending on the transformer design, it will have the ability to either increase or decrease the voltage applied to the primary winding. This makes the transformer either a

step-up transformer or a step-down transformer.

This ability is useful because machines and appliances are designed to work at specific voltage levels, which are often different than those supplied by available power sources.

PROPER can design and manufacture power transformers to meet nearly any requirement—up to 10 KVA.

TOROIDS

Toroidal transformers (toroids) are built around a circular core. A primary and secondary coil is wound around the ring shaped core, which is typically made out of silicon steel, perm alloy, or a sintered ferrite. The coils are wound concentrically to cover the surface of the core.
Toroidal Transformers are more efficient than E-type transformers for similar power levels. Toroid transformers are also typically smaller and weigh less than laminated E types. Some of the other advantages include a low exterior magnetic field, low off-load losses, and single-bolt mounting options.

INDUCTORS & CHOKES

When you need a custom inductor for applications that can withstand high voltage and high current requirements, General Transformer Corporation is your best resource for custom inductor design and development. Our team of engineering experts have the skill set and experience to turn your inductor design dream into a reality.

PROPER can design and manufacture inductors and chokes to meet nearly any requirement.Inductors are passive electronic components used to smooth out ripple voltages

Applications of Custom Inductors & Chokes

In dc circuits, inductors are commonly used for filtering, allowing smooth dc current flow while blocking AC. In such applications, they are sometimes called chokes. In AC circuits, custom inductors are used for filtering, noise reduction, power factor correction, and many other purposes, and are sometimes referred to as reactors.

Custom inductors are suitable for both high voltage and high current applications. They can be found in:

Sensors
Tuning circuits
Energy storage
Motor drives
Rectifiers
Power supplies
Battery chargers

COILS

A coil typically consists of multiple turns of magnet wire around a winding form. The magnet wire can be made of copper with an insulating film. Winding multiple turns of wire in the shape of a coil enhances the magnetic field created when electric current flows through the wire. The coil is useful for storing energy, smoothing or filtering current,

or transferring energy to other coils.
Coils are often used in high-frequency specialty applications, such as antennas and electronic filters. They are a fundamental component of transformers, inductors, and chokes.

While a transformer has a coil (or multiple coils), a coil is not necessarily a transformer.