4L39AB51G01225 RF/IF and RFID

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RFI and EMI – Contacts, Fingerstock and Gaskets are used in various industries and applications to protect sensitive components from external electromagnetic or radio frequency interference. This article will discuss the application field and working principle of 4L39AB51G01225.

4L39AB51G01225 is a solid, conductive, rubber EMI gasket, made from an ethylene-propylene-diene elastomer (EPDM). It is excellent for sealing against high frequencies and protects against RFI, EMI and EMP. This gasket has a shielding efficiency of 85 dB and is UL recognized. It is a versatile and economical gasket, especially suitable for automotive, railway, telecoms and electronics applications.

The 4L39AB51G01225 gasket works by forming an electromagnetic shield or Faraday cage around electronic components. This shield is formed by grounding the rubber gasket to the chassis of the device. This has three main effects: first, the electric field lines of the RFI and EMI are blocked and reflected back. Second, it dissipates the electric field pulses over a wide area of the shield, thus effectively reducing the field strength in sensitive areas. Third, it increases the electrical resistance of the device, thereby reducing the amount of noise which can enter the device.

By providing this shielding effect, the 4L39AB51G01225 gasket helps to prevent sensitive components from being affected by strong external electric and electromagnetic fields. In doing so, it reduces the risk of damage to components due to strong external interference. It also helps to protect against temperature, moisture, dust, and other environmental conditions which can affect the performance of these components.

The 4L39AB51G01225 gasket is ideal for a wide range of applications, including automotive, railway, telecoms and electronics. Thanks to its high shielding efficiency, it can be used to protect against strong external electric and electromagnetic fields. As it is UL recognized, it can also be used in safety-critical applications. By providing an effective electromagnetic shield against RFI and EMI, this gasket helps to eliminate performance problems due to external interference.

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