Taiyo Yuden Co., Ltd. put two kinds of 5mm angle wound inductors into production, and the DC overlap characteristics reached the highest level in the industry. The products are NRS5020 (5.0×5.0×2.0mm, height is the maximum) and NR5040 (5.0×5.0). × 4.1 mm, height is the maximum). This article refers to the address: http:// The two products released this time are mainly used in DC-DC converters for various digital products. The NR5040 is suitable for home appliances such as flat-panel TVs and Blu-ray disc recorders. The thinner NRS5020 is suitable for electronic products such as notebook PCs and digital SLR cameras, as well as portable devices that are expected to emerge in the future. In the future, the company will continue to expand the range of customers' choices around the miniaturization of inductors with a diameter of 6mm or more. The company's overseas production network (Taiyo Yuden Philippines) has achieved mass production in June 2009, and plans to produce 10 million monthly products. The sample price is 30 yen each. The voltage conversion circuit of digital products generally uses a DC-DC converter. The inductor used in the DC-DC converter is required to have a good DC overlap characteristic, and does not cause a decrease in the inductance value even when a large current is passed. In addition, digital products are constantly pursuing small size and thinness, and therefore components required to be mounted must also be miniaturized.
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The rated current of the NRS5020 (DC overlap characteristic 2.0A, inductance value 4.7μH) is 25% higher than the company's existing products (1.6A), DC resistance (60mΩ, inductance value 4.7μH) is 20% lower than the company's existing products (75mΩ). . In addition, the NR5040 also achieves an inductance value of 10μH and a rated current of 2.3A. 
In response to market demand, Taiyo Yuden will optimize the core design and application materials of the NR series of small and ultra-thin wound inductors, which are widely acclaimed, and produce NRS5020 and NR5040 products with good DC overlap characteristics. 
April 12, 2019