Electric Transformers/

Low Voltage Transformers

Low voltage transformers are power transformers that are used to change the voltage capacity of a low-voltage electrical transmission line. Typically, electronic low voltage transformers convert 120 volts into 12 volts or 24 volts.

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Johnson Electric Coil Company
Antigo, WI
800-826-9741
Johnson Electric Coil is proud of its excellence in customer service, support & quality products, such as their precision crafted low voltage transformers that have & continue to be depended upon by a plethora of customers just like you. Johnson's caring & committed workforce understands the value of taking great care of their customers. Please call today to let Johnson take care of you, too.
 
Pacific Transformer Corporation
Anaheim, CA
800-325-0501
In 1981, three forward thinking and innovative partners founded Pacific Transformer with a simple goal: provide custom low voltage transformer engineering and specialized magnetic devices with customer service that exceeds expectations. Nearly 30 years later, those same three partners run this state of the art industry-leading global supplier of transformer engineering solutions.
 
Magnetic Windings Co., Inc.
Easton, PA
800-355-8574
Magnetic Windings Co., Inc. is a leader in the design and manufacture of custom low voltage transformers for numerous customers, including the commercial and military industries. Call Magnetic Windings today and let them be your quality partner for the 21st century for cost effective power control. Magnetic Windings provides its customers products and services they can depend on!
 
Triad Magnetics
Corona, CA
951-277-0757
Triad Magnetics' pioneering design process promotes innovation and there are thousands of Triad designs providing application solutions throughout the world. Triad's talented engineers are experienced in a wide range of services, which is revealed and appreciated in Triad's precision manufactured low voltage transformers. Please call Triad today or go to their website for more information.
 
Lenco Electronics, Inc.
McHenry, IL
815-344-2900
Supplying quality low voltage transformers since 1973, Lenco has shown steady growth, both financially & in plant space & today their state of the art manufacturing facility measures approximately 22,000 sq.ft. with an additional 10,000 sq. ft. manufacturing facility in Mexico. Lenco is proud of its experienced, 85 member staff, over 50 percent of which have 10 or more years vested with Lenco.
 
Altran Corp.
Crystal Lake, IL
815-455-5650
Altran Corporation's objective is to give its customers exactly what they need...when they need it...and do so within budgetary limitations. Altran welcomes your inquiries regarding low voltage transformers, in addition to any other services, of which includes power conversion, audio to r.f. frequency impedance matching, telephone voice frequency & data coupling, filtering and more.
 
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Industry Information

Low Voltage Transformers

In the United States, power outlets are capable of distributing up to 120 volts to the devices to which they are attached. In order for that power to be used by an electronic device, it must be transformed to the appropriate voltage. A DC low voltage transformer uses a rectifier to convert its output to direct current (DC) and to lessen radio frequency interference (RFI). Low voltage transformers offer a variety of mounting configurations and are often small in size. Transformers are a static piece of apparatus that transfers electrical energy from one circuit to another circuit by electro-magnetic induction, often with altered values of voltage and current. Electricity in a low voltage transformer is converted by passing a current from one set of electric windings to another by means of a magnetized core. Low voltage transformers are commonly used for low voltage lighting, which typically only uses 12 or 24 volts. There are also many low voltage transformers to meet the needs of defense, manufacturing, medical care and research industries.

Unlike high voltage transformers, which in the most extreme cases can weigh several hundred pounds, low voltage transformers can be small enough to hold between two fingers. There are two main ways that low voltage transformers are included in electronic device design. In the case of more expensive consumer electronics like video cameras and media players, low voltage transformers are usually built into external power cables and chargers. This reduces the likelihood that a voltage mismatch will affect the device in any way. For example, if the owner of a video camera traveled to a country with a different standard outlet voltage and forgot to bring a step down transformer, the camera's charger would likely be destroyed by excessive voltage, but it would prevent the excess of voltage from reaching the device itself, protecting it from damage. In other cases, voltage transformers can be designed as an integral part in a device. Devices with permanent power cords usually feature such integral transformers.