DSF-18-0005

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Common Mode Chokes, commonly known as EMS Filters, are used for suppression of transients in electronic circuits. These type of chokes feature multiple coils with several turns of wire connected in series and with their leads connected to ground. Such arrangement can absorb a substantial amount of capacitance and minimise the risk of damaging EMI and RFI transients.

The DSF-18-0005 application field and working principle of a common mode choke are fairly simple. It employs a combination of series inductors and capacitors to attenuate unwanted noise in the circuit. The capacitors reject high frequency signals passing through the circuit while the inductors provide low frequency dampening. As the inductors are placed between the capacitors, the output signal voltage is reduced. The frequency range of the attenuation is determined by the combination of the capacitors and inductors component values.

The DSF-18-0005 Common Mode Choke also includes multiple galvanic isolation layers that provide additional protection against EMI/RFI. This effectively reduces the risk of shorting or burning of circuit components due to transients. It also ensures that the circuit remains isolated from the outside environment to prevent any unnecessary noise from affecting the operation of the circuit.

The DSF-18-0005 Common Mode Choke provides a wide range of frequency attenuation, with a maximum attenuation of 40 dB at a frequency range of 0.1–999 MHz. It has an insertion loss of 0.03 dB and a return loss of 30 dB. It also has a maximum operating temperature of 105°C, making it ideal for use in high temperature environments. In addition, it features a snap-in design that reduces installation time.

One of the key advantages of the DSF-18-0005 Common Mode Choke is its low impedance across the operating frequency range. This ensures that the signal attenuation is consistent throughout the entire frequency range, thus providing reliable noise reduction capabilities even in harsh environments. This makes it ideal for a variety of applications such as automotive, power, communications, industrial automation, and audio equipments.

Overall, the DSF-18-0005 Common Mode Choke is a highly versatile and reliable noise reduction solution. Its wide frequency range, low impedance, and wide temperature range make it ideal for demanding applications. It is also easy to install, making it a great choice for both new and experienced engineers looking to reduce EMI and RFI noise in their circuits.

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