Resistor Technology and Applications – Blog
Specifying A Custom High Voltage Resistor
High-voltage resistor selection is about more than resistance value and power rating. In high-reliability, high-voltage applications, voltage stress, long-term stability, dimensions, system board interface, and environmental constraints are often critical. Wherever...
Thick Film Power Resistors In Power Supply Applications
Power resistors are key components in medium power (up to 200kVA) auxiliary power supplies. They provide overcurrent protection, limit inrush current, damp switching transients, and deliver harmonic damping. Power resistors are used in power supply measurement and...
Thick Film Resistors In Sensor Applications
There is growing demand for sensors in applications including industrial automation, IoT, automotive and medical devices. In sensor circuits, resistors are used in voltage dividers to scale voltages, in feedback networks to provide compensation and in signal...
Comparing Air Abrasion Trimming With Laser Trimming In High Voltage Thick Film Resistors
High-voltage thick-film resistors can fail when long-term electric field stress creates local heating, partial discharge, tracking, or insulation breakdown. This article outlines layout factors that raise field stress, such as narrow sections, sharp corners, and...
Thick Film Surge Resistors for Industrial Applications
In industrial environments, electrical systems are often exposed to transient over voltages. These events range from fast microsecond pulses to surges lasting hundreds of milliseconds. While a single surge can destroy high-value equipment, more often it’s the...
Industrial Power Resistors In Space Constrained Applications
When employing industrial power resistors in space-constrained applications, temperature becomes the critical factor impacting resistor power handling, reliability, and long-term stability. Without adequate heat dissipation, resistors face accelerated ageing,...
The Advantages Of Thick Film Resistors
Thick film resistors combine cost-effective manufacturing with superior performance characteristics in high-voltage and high-power applications. In this article, we discuss the main technical advantages of thick film resistor technology that make it a practical choice...
High Voltage Resistors In Industrial Instrumentation Applications
Engineers must carefully balance performance, cost, and technological constraints when choosing high-voltage resistors for industrial instrumentation applications. In this post, we outline the importance of resistor power and voltage ratings, discuss potential failure...
When to Specify Thick Film Resistors
Thick film resistors deliver resistance values from a few Ohms to GigaOhms whilst handling significant power loads in a compact form factor. They deliver stable performance characteristics at a reasonable cost. Thick film resistors are the preferred choice across...
Pulse Resistors Design and Application Considerations
Electrical pulse events are caused by switching operations, load transients and electrostatic discharges. Unless suppressed, they can damage a wide range of electrical equipment. Pulse resistors are one solution, but it is important to select the right resistor to...
Industrial Power Resistors In IIoT Applications
Industrial power resistors play a key role in Industrial Internet of Things (IIoT) devices. We explore power resistor applications in IIoT and outline key considerations for selecting and implementing power resistors in these applications. The Growth of IIoT The term...
Thick Film Heater Resistors in Harsh Environments
The resistive properties of thick film heater resistors are optimised to maximise heat output. They are found in many industrial applications, including test and measurement equipment, printers, enclosure heaters, de-icers, semiconductor equipment and food processing....