The DIALIGHT 521-9707F is a 4mm discrete LED designed with a flat top and diffused lens for even light distribution. It offers a bright yellow emission with typical luminous intensity of 8.7 mcd at 20mA forward current. This LED is ideal for applications requiring a compact size and reliable performance, such as indicator lights, backlights, and signage. It operates within a wide temperature range of -55°C to +100°C and is designed for easy integration into various electronic circuits.