TF1713VU-102Y3R0-01

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• Introduction

  Common mode chokes are inductive components which are used to reduce electromagnetic interference (EMI) on signal and power lines. Common mode chokes are essentially two coils that are wound around the same core. They are usually made with ferromagnetic cores such as ferrites, iron, and even air cores. The purpose of a common mode choke is to block electromagnetic interference (EMI) and minimise cross talk. Each coil in a common mode choke is wrapped around a core material such as a ferromagnetic material or an air core material. The core material in common mode chokes is important, as it affects how much inductance the choke can achieve. The ferromagnetic core typically increases the inductance of the choke, while an air core decreases the inductance. When working with common mode chokes, it is important to select the proper core material, as the choice can drastically improve or degrade the performance.

• TF1713VU-102Y3R0-01 Common Mode Choke

  The TF1713VU-102Y3R0-01 is a common mode choke from Stackpole Electronics, Inc. It is a two-coil choke, designed to reduce electromagnetic interference (EMI) and minimize cross talk. The TF1713VU-102Y3R0-01 is an ideal choice for Ethernet applications, as its high impedance and narrow bandwidth make it exceptionally effective. The TF1713VU-102Y3R0-01 utilizes a low-loss ferrite core for maximum performance and has a rated current of 1A. It features an isolation voltage of 950Vrms, a maximum impedance of 17 ohms, and a capacitance of 20pF. The TF1713VU-102Y3R0-01 has a wide temperature range of -55°C to +105°C and is UL recognized, CSA certified, and RoHS compliant. It is available in a compact surface-mount package with a height of 1.6mm and a width of 4mm.

• Application Field and Working Principle

  Common mode chokes are used in a wide variety of applications, including Ethernet and telecommunications equipment, power supplies, motor controllers, audio equipment, and other electronic systems and devices. In all these applications, common mode chokes are used to minimize electromagnetic interference (EMI) and reduce signal cross talk. The TF1713VU-102Y3R0-01, in particular, is designed for Ethernet applications with its high impedance and narrow bandwidth.

  The working principle of a common mode choke is simple. As the name suggests, it uses two coils wound around a common core to block electromagnetic interference (EMI) and minimise signal cross talk. The core material of the common mode choke has a major influence on how well it can perform its task. The core material can be a ferromagnetic material, such as ferrite, iron, or an air core material. The ferromagnetic material increases the inductance of the choke, while an air core material decreases the inductance.

  Common mode chokes are also known as balanced line chokes or balun transformers, as they are used in some applications to transfer unbalanced signals into balanced ones. Common mode chokes are typically used in series with the signal lines to reduce the signal cross talk, which can degrade the performance of the system. It should be noted that common mode chokes are not ideal for all applications, as some signals may require a different type of choke for better performance.

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