Nichia 500B, 510B and 520B Series LEDsThe 500B, 510B and 520B LEDs, from Nichia, are a family of single through-hole LEDs. They have a 5mm (T-1 3/4) package with a clear lens. Available in both colour or cool and warm white options, the 5x0B series are suitable for applications such as portable light, signage and decorative lighting.### 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。