DLP0NSN121HL2L Filters

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Common Mode Chokes are widely used in AC/DC charging power supply areas, communication systems, signal power filter networks, and other various electronic components to mitigate interference, reduce signal voltage, and increase safety. The DLPN SN121HL2L applies advanced filter technology for common mode noise filtering and can eliminate common mode noise interrupting the signaling paths. Identifying the application field and understanding the working principle of this choke can help in troubleshooting various EMI interference issues.

The DLPN SN121HL2L is an inductive low impedance component designed for line interference and noise suppression in AC/DC chargers. It has a rated current of up to 20A and is suitable for both AC and DC input/output voltage applications with an operating temperature range of -40° to +140°C. This common mode choke operates over a broad range of frequencies from DC to 100MHz and has a low DC resistance, meaning it can provide a stable, interference-free operation with low power consumption and low heat dissipation.

The functioning principle of the DLPN SN121HL2L can be summarized as follows. When interference is introduced to any system, the rotating magnetic field generated induces noise in the circuit’s wiring. This noise is known as common mode noise because it is present on all wires of the circuit simultaneously. The DLPN SN121HL2L converts this noise into a low-impedance path that sends the noise on a divergent AC current where it can be eliminated from the system. As the noise is filtered out, safety is increased, signal voltage is reduced, and electromagnetic interference is minimized.

The DLPN SN121HL2L’s wide range of AC/DC applications makes it an ideal choice for noise suppression of both AC and DC signals. It is particularly suitable for power supplies, audio/sensor equipments, inverters, switchmode power supplies, and industrial control devices. The choke allows for easy surface mounting and is suitable for a variety of board materials.

The DLPN SN121HL2L is an effective solution to interference problems in many electronic systems, providing a low impedance path for noise suppression. It can be readily mounted on any surface for an efficient noise-filtering solution with minimal power consumption. In addition, the DLPN SN121HL2L can also provide additional noise suppression benefits by reducing signal voltages, increasing safety, and providing a reliable source of energy.

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