ROHM, a well-known Japanese semiconductor manufacturer (headquartered in Kyoto, Japan), has further expanded its product lineup of high-power chip resistors / long-side electrode low-resistance series that are very suitable for current detection applications such as automotive, power supply, and motor The chip resistor of 3216 size (Length 3.2mm & TImes; Width 1.6mm & TImes; Height 0.58mm)-"LTR18 Low Resistance Series" achieves a rated power of 1W, which is 4 times higher than the previous products.
Since April 2012, this product has been mass-produced with a monthly output of 1 million. With the expansion of customer demand, it has increased from October 2012 to 4 million per month. The production base is ROHM Electronics Philippines Inc. (Philippines).
Figure Chip Resistor-"LTR18 Low Resistance Series"
Resistors used for current detection of in-vehicle equipment, power supplies, and motor circuits are generally required to have low resistance, low temperature coefficient of resistance (TCR), and large rated power. In recent years, with the development of high-functionalization of various electronic devices, the amount of current in the circuit has increased, and the demand for small and high-power products has increased. Among them, the demand for 3216-size products supporting 1W of rated power is strong. Against this background, Roma discussed and decided to further improve the related product lineup.
Figure LTR18 resistance temperature characteristics
This time, through its original heat dissipation design, ROHM, as a 3216-size product, has a rated power of 1W, which is four times higher than the rated power of previous products. Realized the industry's top temperature coefficient of resistance. Not only that, Roma adopts the long-side electrode structure, which reduces the mechanical stress of the joints and greatly improves the reliability of the joint against temperature changes.
By increasing the power and improving the temperature characteristics, it is easy to use in the circuit of the complete machine with strict temperature compensation requirements in the automotive field, so the design burden can be reduced.
ROHM has been leading the world in the broad technical fields required by resistors such as miniaturization, diversification, ultra-high precision, and ultra-low resistance. In the future, we will continue to promote the improvement and expansion of the lineup of high-quality resistor products that meet various customer needs.
Features
Realize 4 times higher rated power than previous products;
Through the original heat dissipation design, as a 3216 size product, the rated power reaches 1W, which is 4 times higher than the previous products;
Excellent resistance temperature coefficient;
In general, the lower the resistance value, the greater the temperature coefficient of resistance. ROHM has achieved the industry's top temperature coefficient of resistance by using the original resistor body structure and materials.
Use long-side electrode structure to improve reliability;
The electrodes are arranged in the longitudinal direction to reduce the mechanical stress at the joint. The reliability of bonding against temperature changes is greatly improved!
Notes:
? TCR (Temperature Coefficient of Resistance): Refers to the "temperature coefficient of resistance", the lower the value, the smaller the change in the resistance value relative to the surrounding temperature change, which can suppress the device's operating fluctuations.
About ROHM
ROHM is one of the world's leading semiconductor manufacturers. Founded in 1958, it is a multinational group company headquartered in Kyoto, Japan. "Quality first" is the consistent policy of Roma. We always put product quality first. No matter how difficult it is, it will provide a large number of high-quality products for domestic and foreign users, and contribute to the progress and improvement of culture.
After more than half a century of development, Roma's production, sales, and R & D networks have spread all over the world. Products involve multiple fields, including ICs, discrete components, optical components, passive components, modules, semiconductor applications, and medical appliances. In the world's electronics industry, Roma's many high-quality products have received market approval and praise, becoming the leading enterprise in system IC and the latest semiconductor technology. ROHM attaches great importance to the Chinese market. It has successively established a number of representative offices across the country, opened factories in Dalian and Tianjin, and set up design centers and quality assurance centers in Shanghai and Shenzhen to provide technical and quality support.
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