This article provides recommendations for high-power and ultra-high-power resistors from leading international and domestic brands, highlighting key series and their specifications. It covers applications in power electronics, industrial drives, and automotive systems, with detailed performance data. Engineers can choose from a range of options based on power requirements, thermal management, and package types.
This article provides recommendations for high power and ultra-high power resistor brands and series, highlighting international manufacturers like Bourns, Vishay, TE Connectivity, and Ohmite, along with domestic options such as UNI ROYAL and FOJAN. It includes key series details, power ratings, package types, and application scenarios to guide engineers in selecting appropriate resistors based on their specific needs.
The EAM16FT1R00DES is a high-power anti-sulfur metal film resistor with 1Ω resistance, 1W power rating, and ±1% tolerance. It offers low temperature drift, high reliability, and suitability for industrial, automotive, and new energy applications. Designed for harsh environments, it combines precision, durability, and compliance with industry standards.
The EHP25JS18M0FDJ is a high-performance thick film chip resistor designed for demanding applications requiring exceptional power handling and reliability. With a resistance value of 18MΩ (18 megaohms) and a power rating of 2W, this component offers superior electrical performance in high-current environments. Its ±5% tolerance ensures precise resistance values, making it ideal for critical circuits where accuracy matters.
The 2512 4.3R(4.3Ω) 2W 5% EHP25JS4R30FDS is a high-performance thick film chip resistor designed for demanding applications requiring high power dissipation, reliability, and current handling capabilities. Manufactured to stringent industry standards, this component offers exceptional stability and durability, making it ideal for a wide range of industrial, automotive, power supply, and electronic control systems.
As a high-power product of the CRH series under EVER OHMS, the CRH2512J2R40E04S achieves a 2W heat dissipation capability with its 2512 package, which is a tangible advantage in practical wiring. Many engineers often find it difficult to achieve a power of 2W with conventional thick film resistors when looking for a resistance value of 2.4R, and CRH2512J2R40E04S fills this gap perfectly.
Although chip resistors are small, they are crucial in power management and current control. The CRH2512J33R0E04Z, which we are going to introduce today, is a high-power thick film surface mount resistor produced by the well-known brand EVER OHMS. It performs reliably in medium power consumption scenarios.
To understand CRH2512J510KE04Z, we can start directly from the model. This model follows the rigorous naming rules of Tian'er Technology. Upon disassembly, it can be seen that CRH represents the high-power thick film surface mount resistor series; 2512 corresponds to a package size of 6.35mm × 3.2mm, which is currently the mainstream specification capable of carrying 2W power; J represents a resistance accuracy of ± 5%; 510K is obviously a resistance value of 510K Ω; E04Z usually refers to packaging type and environmental certification.
The CRH2512J5R10E04S model contains rich information. Let's break it down: "CRH" represents the product series, which is the thick film high-power resistor series of Tian'er; 2512 "refers to the packaging size, which is an imperial unit and corresponds to a patch volume of 6.4mm × 3.2mm in the metric system; J "represents a resistance accuracy of ± 5%; 5R10 "is the resistance indicator, representing 5.1 Ω (where R represents the decimal point); E04S is usually associated with production information such as packaging form and environmental standards.
Strictly speaking, ordinary standard resistors are prone to burnout or resistance drift when subjected to high voltage surges induced by lightning strikes or switching moments. High power resistors with anti surge function, through special material and structural design, can withstand energy shocks far exceeding the rated power within milliseconds or even microseconds without damage.
