In today’s fast-evolving electronics industry, reliable components are essential to ensure performance under extreme conditions. One such critical component is the pulse resistor , specifically the CR400-2*50R-10% model manufactured by EAK. Designed for high-voltage environments, this resistor plays a vital role across various industrial and electrical systems.
What Is a Pulse Resistor?
A pulse resistor is a type of resistor designed to withstand sudden surges or spikes in voltage—often referred to as transient voltages. These resistors are not only capable of handling high instantaneous energy but also dissipating it safely without damaging the circuit. The CR400-2*50R-10% pulse resistor is built with these capabilities in mind, making it ideal for applications where durability and precision are non-negotiable.
Technical Specification Highlights
The CR400-2*50R-10% model comes with an impressive set of specifications:
- Resistance value: 2x50Ω
- Tolerance: ±10%
- Rated working voltage: 1500V
- Insulation withstand voltage: 3kV
- Maximum allowable impact energy: 200J per resistor
- Operating temperature range: up to 200°C continuously, or up to 230°C intermittently
- Temperature coefficient: -300PPM/°C to -500PPM/°C
- Instantaneous peak voltage resistance: over 10kV/cm (waveform dependent)
These features make it suitable for use in power conversion systems, motor drives, and surge protection circuits.
Real-World Application Examples
One notable application of the CR400-2*50R-10% pulse resistor is in electric vehicle (EV) charging stations , where rapid voltage switching can cause harmful energy spikes. By absorbing and dispersing these surges, the resistor helps protect sensitive control modules and battery management systems.
Another growing field is industrial automation equipment , where high-frequency switching in programmable logic controllers (PLCs) can generate significant electromagnetic interference (EMI). Using pulse resistors like the CR400-2*50R-10% helps suppress unwanted noise and stabilize system operation.
Additionally, this resistor finds use in uninterruptible power supply (UPS) systems. Here, the resistor absorbs transient energy during power transitions, ensuring seamless operation and preventing damage to downstream components.
Why Choose the CR400-2*50R-10% Pulse Resistor?
EAK engineered the CR400 series to meet rigorous international standards such as GB/T5729-2003 , ensuring quality and reliability. The resistor’s design allows for high mechanical and thermal endurance, which is crucial in harsh environments.
Moreover, its high-density material (2.0–2.7g/cm³) combined with a specific heat capacity of 0.9–1.0 J/(g·°C) enables efficient heat dissipation, prolonging the lifespan of both the resistor and the overall system.
With options for customization—such as extended temperature tolerance—the CR400-2*50R-10% offers flexibility for specialized applications while maintaining cost-effectiveness.
Conclusion
In summary, the CR400-2*50R-10% pulse resistor stands out as a robust solution for engineers and designers facing challenges related to voltage spikes, energy absorption, and thermal stability. Its versatility makes it a go-to choice across sectors, from EV infrastructure to industrial power systems.
If you’re seeking durable, high-performance pulse resistors , consider integrating the CR400-2*50R-10% into your next project. With its superior specifications and proven real-world applications, it represents excellent value for demanding electronic designs.
