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Magnetics

Promark Electronics, Inc. works very closely with our magnetics partner to provide our clientele with maximum support. As one client commented, “Working with Promark is like having another Commodity Manager on staff—without the cost of actually hiring one!”

Promark’s services include:

  • Assistance in the design of magnetics
  • Re-Engineering magnetics that have no documentation
  • Provision of No-Charge Samples to help validate designs
  • Maintenance of communication with engineering staff throughout the testing process
  • Staff support in the speedy resolution of issues
  • Support of Commodity/Purchasing Staff in the maintenance of inventory

Small orders receive the same careful attention as large volume orders. The entire production process is strictly controlled from the very beginning to the final test to ensure uniformity and reliability.

Listed below are some of the magnetic products Promark can have manufactured; from the simplest inductor to the most sophisticated transformer:

Magnetics-Chokes

Chokes:

Standard or shielded Choke offering consists of over 15 different product families in molded, encapsulated, vacuum impregnated, or open construction with radial, axial, or surface mount foot prints. Our extensive inductance values (as low as 0.22uH to 100 mH) and high saturation currents (from 0.039 Amps up to 233 amps) give our customers a wide variety to choose from. High Q and Self-Resonant frequency can be achieved for your specific application. All of our Coils and Transformers are designed to meet UL Class B 130 Celsius or better and are lead-free, RoHS compliant.

Magnetics-Common Mode Chokes

Common Mode Chokes:

Standard Common Mode Choke offering consists of over 31 different product families in molded, encapsulated, vacuum impregnated, or open construction with horizontal or vertical mounting. Our extensive inductance values (as low as 0.075 uH to 142 mH) and low leakage inductance Common Mode Choke designs give our customers a wide variety to choose from. Dielectric withstanding voltage as high as 4,750 volts to comply with international safety standards is available. Low electromagnetic interference is our specialty, and all of our Coils and Transformers are designed to meet UL Class B 130 Celsius or better and are lead-free, RoHS compliant.

Magnetics-Inductors

Inductors:

Standard shielded or unshielded Inductor offering consists of over 14 different product families in molded, encapsulated, vacuum impregnated, or open construction with radial, axial, or surface mount foot prints. Our extensive inductance values (as low as 0.10 uH to 180 Mh) and high saturation currents (from 0.084 Amps up to 980 Amps) give our customers a wide variety to choose from. High Q and Self Resonant frequency can be achieved for your specific application. All of our Coils and Transformers are designed to meet UL Class B 130 Celsius or better and are lead-free, RoHS compliant.

Reference Design Products

Reference Design Products:

Promark has a variety of inductors and chokes designed and approved to work with many semiconductor integrated circuits. In addition, there are a number of horizontal fly-back transformers designed to work in simple switcher circuits and various switch mode applications. There are also shielded miniature fly-back transformers designed and approved to work with switch mode power supplies like LM5001.

Surface Mount

Surface Mounts:

Standard shielded or unshielded surface mount inductor offering consists of over 70 different product families in molded, encapsulated, vacuum impregnated, or open construction with gull wing and J type mounting options. Our extensive inductance values (as low as 1 uH to 10 Mh) and high saturation currents (from 0.017 Amps up to 75 Amps) give our customers a wide variety to choose from. High Q and Self Resonant frequency can be achieved for your specific application. All of our Coils and Transformers are designed to meet UL Class B 130 Celsius or better and are lead-free, RoHS compliant.

Toroid Coil

Toroids:

Standard Toroid coil offering consists of over 7 different product families in molded, encapsulated, vacuum impregnated, or open construction with radial, axial, or surface mount foot prints in vertical and horizontal mounting. Our extensive inductance values (as low as 1 uH to as high as 5.6 mH) and high saturation currents (from 0.030 Amps up to 200 Amps) give our customer a wide variety to choose from. High Q and Self Resonant frequency can be achieved for your specific application. All of our Coils and Transformers are designed to meet UL Class B 130 Celsius or better and are lead-free, RoHS compliant.

Transformer

Transformers:

Standard Transformer offering consists of over 20 different product families in molded, encapsulated, vacuum impregnated, or open construction with vertical or horizontal layouts and printed circuit, chassis, or surface mount foot prints. Our extensive power ratings (from 1 VA to 175 VA) and input voltages (from 120 volts to 230 volts) give our customers a wide variety to choose from. 50/60 Hz, 47 Hz to 400 Hz or 100 kHz transformers in low profile packages are our specialty. Power, current sense, gate drive, and flyback transformer designs are available. All of our Coils and Transformers are designed to meet UL Class B 130 Celsius or better and are lead-free, RoHS

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Our dedicated Sales Team is ready to bring the solution that works for you. From concept to production, you’ll have the right fit for your business needs and applications every step of the way.