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Resistor Technology and Applications  –  Blog

High Power Resistor Design and Manufacture

When choosing a high power resistor for any demanding application Thick Film resistor technology offers high performance at a relatively low cost. The technology delivers high packaging density, excellent heat dissipation and low inductance. However, no high power...

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Thick Film Resistors Vs Thin Film – A Comparison

What are the advantages of thick film resistors over their thin film cousins? In this post, we consider the ideal resistor and discuss how both thin film and thick film resistors compare with that ideal. The Ideal Resistor The perfect resistor has zero capacitance and...

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Thick Film Resistor Design Considerations

When designing any electronic system there are compromises to be made in component selection. This extends to what may be perceived as the simplest components including resistors and capacitors. In this post, we consider typical thick film resistor design and...

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Power Resistors In Current Sensing Applications

Power resistors are used in a variety of power electronic applications as load resistors, braking resistors and pulse management devices but one of the main applications is current sensing elements in power supplies and electric motor control. When designing power...

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Comparing resistor technologies

When comparing resistors performance may appear to be similar but it is important to understand the advantages, disadvantages and limitations of each resistor technology. In reality, no material or manufacturing method is perfect. Ambient temperature, moisture,...

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How To Select A High Power Pulse Resistor

High power switching causes surge or pulse conditions in many applications. A high power pulse resistor is often used to suppress the pulse and prevent damage to sensitive components. Applications for high pulse current resistors include power supplies (inrush...

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High Power Heater Resistor Design

A high power heater resistor is often used where the designer needs to apply a highly controlled level of heat to a small area such as in laboratory and medical fluid heating applications. They may also be used in more general applications such as condensation...

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Custom Resistor Networks For Specialist Applications

Resistor networks have several advantages over discrete devices. They reduce the system board area required to mount resistor devices, increase system reliability (lower number of interconnects) and simplify the system manufacturing process. Resistor networks are used...

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Resistor Networks In Resistor Ladder Applications

When a basic digital to analog conversion is required a resistor ladder is the perfect choice. In this post we discuss how to build a resistor ladder, application limitations and how resistor networks can mitigate the impact of those limitations. Resistor Ladder...

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Snubber Resistors In Power Electronic Applications

Snubber resistors are used in a variety of power electronic applications as circuit protection elements. They suppress voltage spikes that could damage sensitive electronic components.  Snubbers are used in a wide range of applications including lamp ballast, and...

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Thick Film Heater Elements In Medical Applications

Thick film heater element are used in a wide variety of applications including incubation of cultures, to heat fluids before injection, DNA analysis and diagnostic equipment. These applications require controllable heat to be delivered to a specific area, often over...

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Power Resistor Derating For High Temperature

In complex electronic systems, the issue of power resistor derating for high temperature can often be overlooked. The system designer may have many design issues to consider. Passive components, such as power resistors, can often be the last to be evaluated, if at...

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