Nichia F50B, F50D and F50S Series Rectangular LEDsThis family of LEDs, from Nichia, are in through-hole rectangular packages. Their rectangular lenses measure 2x4 mm. Available in a variety of single colour options, including white, these LEDs are ideal for general purpose applications. ### 可见光 LED，NichiaNichia Corporation 是发光二极管 (LED) 的创新型制造商。 他们设计和制造 LED，用于 LCD 背光、汽车和其他一般照明应用。 Nichia 因开发屡获大奖的蓝色 LED 而著名，它是 LED 工业的领先者。