Magnetic Components - High Frequency

Standex offers a variety of high frequency custom and standard transformers, inductors and chokes in the in the 20 KHz to RF range. Smallest surface mount toroidal power "chip" inductors in the industry. Toroidal common mode chokes can be specified with exact value required from an economical family of standard products - they can be configured for vertical or horizontal mounting, with or without base. Standard or custom designs can be proven in industry-leading environmental and electrical test lab.

Catalog

Download all of the high-freqency magnetic component data sheets below (14MB dowload)

ST series

Surface Mount toroidal power 'chip' inductor

Use for discontinuous mode converters up to 1.5MHz
Operating temperature up to 85°C
The smallest surface mount toroidal inductor in industry
Ideal for for storage inductor, high efficiency battery operated regulator, and DC-DC power converters in portable electronics
Patented insert molded packaging is smaller in O.D. and height than other components with similar electrical characteristics
Toroidal core - lowest stray field for close component placement
Very low DC resistance for very high circuit efficiency
Saturation current is as much as 50% higher than similar components
Custom sizes and values may be engineered for your specific application

SP series

Surface Mount toroidal power 'chip' inductor

Use in continuous mode converters up to 500 KHz
Operating temperature up to 155°C
The smallest surface mount toroidal inductor in industry
Ideal for input filters and DC-DC power converters in portable electronics
Patented insert molded packaging is smaller in O.D. and height than other components with similar electrical characteristics
Toroidal core - lowest stray field for close component placement
Very low DC resistance for very high circuit efficiency
Saturation current is as much as 50% higher than similar components
Custom sizes and values may be engineered for your specific application

CI CJ Series

Toroidal Differential mode inductor

For switching power supply, EMI filter and other applications
Build your own standard part number to give exactly the value you require, within an economical family of standard core sizes
Avilable configured horizontally or vertically, with or without a base
Inductances available to 5mH current carrying capability available to 5 amps
Custom Sizes and values may be engineered for your specific application

CM Series

Toroidal Common Mode Choke

CM series common mode chokes are designed for common mode noise up to 30 MHz on A.C. and D.C lines
Build your own standard part number to give exactly the value you require, within an economical family of standard core sizes
Available configured vertically or horizontally, with or without a base
Inductances available to 15 milli Henries
Current carrying capability available to 40 Amps
Custom Sizes and values may be engineered for your specific application

CSB series

Current Transformer - PC mount

Primary and Secondary windings are PC integrated - no need for the customer to install the primary winding separately as is usually required in toroidal designs
Low cost compact package design
Varnish impregnated to reduce audible noise
Plastic bobbin meets the UL 94 flamability requirement
Custom Sizes and values may be engineered for your specific application

SJ / SU Series

Surface Mount toroidal inductor

Ideal where space and weight are critical, and surface mount is required
When used as inductors, they may be connected for higher current lower inductance or lower current higher inductance
When used as 1:1 transformers (coupled inductors) they provide electrical isolation
May be manufactured with economical powdered iron cores or higher performance low loss cores
Other core materials available for a variety of applications
Custom Sizes and values may be engineered for your specific application

Switching Regulator Inductors

Encapsulated Switching Regulator Inductors

Desitned to meet the requirements of Mil-PRF 287, 288 and 289
Inductances to 10 mH
Current carrying capability to 15 A
Double Winding Styles Available for More Current Capacity
Completely Encapsulated Construction
Center Hole for Mounting
Custom Sizes and values may be engineered for your specific application

Switching Inductors

Encapsulated Switching Regulator Inductors

Inductances to 2 mH
Current carrying capability to 30 A
Completely Encapsulated Construction
Threaded mounting Insert for Additional Mounting Strength
Custom Sizes and values may be engineered for your specific application

Scott T Transformers

Input Scott T Synchro to Resolver Converter Transformers

Standex Electronic Scott T transformers are precision manufactured primarlily for military and aerospace applications
Three-wire Syncro Angle Data form the input to a Scott T transformer which isolates them from converter ground and translates them into two signals - the amplitudes being portionate to the sine and cos
Contact Standex for your custom variation, engineered for your specific application

400 Hz Power Xfmrs. 1.5 VA to 9 VA

400 Hz Power Transformers, 1.5 VA to 9 VA

Miniature Encapsulated Toroidal 400 Hz Power Transformers
Designed to meet the requirements of Mil-PRF-27/37 through /47
308 standard designs from 1.5VA through 25 VA
A wide variety of output voltages offer maximum diesign flexibility
Contact Standex for your custom variation, engineered for your specific application

400 Hz Power Xfmrs, 16 - 25 VA

400 Hz Power Transformers, 16 - 25 VA

Miniature Encapsulated Toroidal 400 Hz Power Transformers
Designed to meet the requirements of Mil-PRF-27/37 through /47
308 standard designs from 1.5VA through 25 VA
A wide variety of output voltages offer maximum diesign flexibility
Contact Standex for your custom variation, engineered for your specific application