Are you a project manager looking for a hard to find transformer or inductor? If so, you've come to the right place. Osborne Transformer is the online leader in custom and specially designed electromagnetic components. Our online catalog contains... Read On »

Osborne often recommends Auto Transformers in situations where reducing physical size of the transformer is advantageous. Auto transformers offer size advantages when compared to equivalent isolation transformers. Auto transformers provide lower levels of regulation than the equivalent isolation transformer. Osborne... Read On »

Osborne Isolation Transformers are used to step-up, step-down and isolate voltages in single phase circuits. Isolation may be used to provide output circuit immunity from voltage spikes and noise (both common-mode and transverse-mode) present on the input system. The isolation... Read On »

Osborne Quasi Square Wave Constant Voltage Transformers are used to regulate output voltages for applications that have varying input voltages. When used with a rectifier conversion circuit, these units provide an elegant design approach to voltage regulation. Osborne achieves this... Read On »

Osborne Control Transformers are commonly used to step down primary circuit voltages to lower voltages to be used for control circuit applications. These units set the standard for high performance, high quality, hand crafted control transformers. Your customers will appreciate... Read On »

Osborne Potential Transformers are used to reduce higher system voltages to lower values that are appropriate for instrumentation and/or protection circuits. They have been designed to meet specified current ratios, and burden impedance at a specified transformation error. One... Read On »

Osborne Auxiliary Potential Transformers are used in utility and commercial industrial power systems. Osborne works with our clients to identify the safety advantages of using auxiliary potential transformers to establish protection schemes for high voltage equipment. Potential transformers step... Read On »

Osborne Current Transformers are commonly used to reduce system currents to levels that are appropriate for instrumentation and/or protection circuits. Osborne designs are developed to meet a specified current ratio into a specified burden impedance at a specified transformation... Read On »

Osborne High Frequency Current Transformers operate at frequencies higher than 50/60 Hertz. Their purpose is to reduce high frequency system currents to lower values that are appropriate for instrumentation and/or protection circuits. They have been designed to meet specified... Read On »

Osborne High Frequency Transformers are isolation transformers and auto-transformers that operate at frequencies higher than 50/60 Hertz. Osborne recommends high frequency operation for certain applications that demand a significant reduction of the physical size of electromagnetic components. Osborne helps... Read On »

Osborne Rectifier Transformers are used in conjunction with various rectification configurations to convert AC input to DC output(s). Key characteristics include regulation, transformer utilization and AC ripple. Osborne rectifier transformer designs are often engineered to function in conjunction with... Read On »

Osborne designs and produces high impedance and unregulated Filament Transformers. An unregulated filament transformer supplies a specified voltage and current to the filament of an electron vacuum tube. High impedance filament transformers are designed around a tungsten tube filament. Osborne... Read On »

Osborne designs our AC Inductors to provide the desired inductance and to perform effectively with the dissipation characteristics presented to the circuit. Dissipation characteristics depend on circuit current and operating frequency. The Osborne design approach is unique to the extent... Read On »

Osborne has developed a wide range of DC load simulation inductors that are known for the transients they produce. Osborne DC load simulation inductors are unique and innovative because they are engineered to produce a precise time constant current transient... Read On »

Osborne recommends DC filter chokes for use in AC to DC conversion circuits to present an inductive voltage drop (filter) to the AC component of rectified current. Osborne designs these components to function effectively (without saturation) in the presence of... Read On »

Osborne designs our Air Core Inductors to realize their advantage of high linearity. We also work with our clients to identify and mitigate any potential disturbances that could result from electromagnetic fields created. The air core design approach is known... Read On »

Osborne Saturable Reactors are designed to provide a variable output voltage through the use of variable impedance connected in series with a constant impedance load. Each saturable reactor’s impedance is determined by the application of DC power to a control... Read On »

Osborne designs harmonic trap inductors to work in conjunction with capacitors in power systems to prevent specific line-frequency harmonics from flowing back to the power source (point of common connection). This power quality design approach prevents harmonic currents from... Read On »