628B103TR4 Resistors

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The 628B103TR4 is a Network Array Resistor (NAR) formed by the combination of several resistors. It is generally composed of three to five resistors. The resistors are connected in series and/or in parallel to form a certain resistance value and tolerance. Generally, the resistance range of 628B103TR4 is 10Ω to 1MΩ. The package type of 628B103TR4 is 4 terminal arrays and its size is very small, which makes it easy to install in equipments and gives it considerable space-saving advantages.

The 628B103TR4 is widely used in communication, measuring and medical equipment. It is mainly used for attenuation, signal reduction and impedance matching. It can reduce the signal content between circuits by adjusting the resistance value, and basically provides constant attenuation over frequency. In addition, the 628B103TR4 networks helps avoid interference between the internal and external circuits, and maintains the same impedance for all frequencies.

Working Principle of 628B103TR4

The working principle of 628B103TR4 Network Arrays Resistor relies on the combination of resistors connected in series and/or in parallel in a certain pattern. For example, when three 10KΩ resistors are connected in series, the total resistance of the 628B103TR4 will be 30KΩ. Conversely, when three 10KΩ resistors are connected in parallel, the total resistance would be 3.33KΩ.

When the resistors in the 628B103TR4 is connected in a certain pattern, the impedance matching between the different circuits can be achieved. For example, when the 628B103TR4 is used for impedance matching between two circuits, the total resistance of the 628B103TR4 should be slightly lower than the higher impedance of the two circuits in order to ensure the coupled signal can be fully received. Therefore, the combination of resistors can be adjusted to achieve specific impedance value.

Conclusion

The 628B103TR4 is a Network Array Resistor (NAR) composed of three to five resistors. The resistors are connected in series and/or in parallel to form a certain resistance value and tolerance. It is widely used in communication, measuring and medical equipment. It is mainly used for attenuation, signal reduction and impedance matching. The working principle of 628B103TR4 relies on the combination of resistors connected in series and/or in parallel in a certain pattern, which helps to achieve impedance matching between the different circuits.

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