Longitudinal chokes

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These chokes are used to attenuate mainly symmetrical (push-pull) interference. The interference arises in circuits in which currents are clocked. They usually only play a role in the lower frequency range up to approx. 1 MHz.

Usually, these chokes consist of a winding on an iron or metal powder core. However, different materials with different properties are also available.

Areas of application:
  • Interference suppression of phase-angle circuits
  • Interference suppression of TRIAC controller
  • Interference suppression of thyristor controls
  • Interference suppression of semiconductor relays, etc.
  • Storage chokes for switching power supplies or voltage converters with clock frequencies below 50 kHz
  • Current rise limitation (dl/dt chokes)

Please refer to the data sheet for further technical details.

Manufacturer: NKL

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