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Through Hole Resistors

The WW2JBR220 has become a popular and reliable through hole resistor. It is designed to offer users superior quality in terms of power dissipation, temperature coefficient, and pulse capability. This article will cover the application field and working principles of the WW2JBR220.

Application Field

The primary application field for the WW2JBR220 is in the area of resistive circuits. It is primarily used in harmonic generators, DC-to-DC converters, motor drivers, and rectifiers. Additionally, it can also be used in the area of digital logic circuits, such as signal conditioning, analog switching, and line drivers. Its qualities make it ideal for these applications.

Working Principles

The WW2JBR220 is a precision resistor that uses a NiCr alloy film as its resistive element. This alloy film is carefully routed through an array of precisely machined perforations in the epoxy coated body. The perforations provide the resistor with an accurate value and stable performance. This feature is further enhanced by the resistor’s temperature coefficient, pulse capability, and power dissipation.

The resistance of the WW2JBR220 is determined by the size of its inner diameter. The larger the inner diameter, the lower the resistance, and the higher the power dissipation. In addition, its resistance can be further adjusted by varying the number of plated holes or increases in length of the NiCr alloy film. The maximum power dissipation for the WW2JBR220 is 1W.

The resistor’s temperature coefficient is a key element. The WW2JBR220 is designed to maintain a low temperature coefficient. This ensures that the resistance remains stable over the working temperature range of -55 to +125 °C. It also provides a high tolerance to pulses, which is necessary in applications such as switch-mode power supplies.

The WW2JBR220 also provides enhanced power dissipation. Due to the nature of the NiCr alloy, the resistor can dissipate up to 6 times more power than comparable carbon film, metal oxide, or polyester film resistors. This makes it ideal for applications that require high power handling.

Conclusion

The WW2JBR220 is a reliable and versatile through hole resistor. Its features make it ideal for applications in the area of resistive circuits, digital logic circuits, and power handling. Its precision alloy film, temperature coefficient and pulse capability provide superior performance. Its high power handling makes it the perfect choice for applications that require long-term stability and high power dissipation.

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