TT Electronics, a global supplier of engineering electronics for the manufacture of performance-critical applications, today announced two new resistors that expand and enhance its high-performance CR and HR families. With the smaller 0603 size, these latest versions of thick film chip resistors offer more applications for compact circuits that require performance and space.
Key uses for taking up space as an important factor
For aerospace, military, communications, medical, and industrial markets, thick-film components of these two resistor families are more resistant to surges than thin-film resistors, and their reliability is greatly enhanced. The available values ​​for the CR0603 resistor range from 1R0 to 10M with tolerance values ​​as low as 0.1% and are available for CECC 40401-008 (European Electronic Components Committee 40401-008). In addition to being used for military and aerospace applications, these two products can be used for other specific applications, including subsea repeaters, host systems, and high reliability systems. The HR0603 resistors are available in parameters ranging from 10M to 20G with tolerances as low as 5% to support a wide range of applications, including high gain amplifiers, infrared and glass break sensors, as well as smoke, gas and medical monitors.
TT Electronics' optional CR screen resistors for screen printing technology improve resistor reliability and reduce practical application failures. In addition, for circuit designers who need to ensure critical circuit reliability within the compact printed circuit board, this resistor has a lower failure rate than competitors' products. There are currently seven sizes available – from 0503 to 2512. Resistors approved by CECC are also available in short-circuit link type.
Circuit designers who need to achieve stable high ohmic values ​​in a compact printed circuit board space typically use a connected multi-chip solution. Compared to such solutions, HR series high ohmic resistors are more reliable, practical applications. Less trouble. These resistors have a low voltage coefficient, are versatile, and can be custom designed and sized. The power consumption of high-resistance devices is usually very low. Therefore, the ratings of such devices are determined only by voltage factors. The smallest 0503 resistors are rated at 50V, and the largest 1206 resistors are rated at 200V. 5 sizes.
The solder joints of these two resistor series have a nickel barrier that ensures excellent "percolation leaching" performance and solderability, and can withstand continuous immersion in solder for 30 seconds at 260 °C. These two series of products have a specified ambient temperature range of -55 to +155 ° C and are reasonably structured with a thick film resistor material with a glazed organic protective layer (screen printing on 96% alumina substrate) ). Both the CR and HR series have gold wire or welded ends, and all relevant identification information is included on the inner package or reel.
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