DIALIGHT 521-9216 3mm Diffused Red Indicator LED

The DIALIGHT 521-9216 is a 3 mm diffused red LED designed for through-hole mounting in indicator and display applications. It emits a red wavelength near 635 nm with a typical luminous intensity of 8.7 mcd at the manufacturer test current. The device shows a forward voltage around 2.0 V at test conditions and a nominal viewing angle of 60°, enabling uniform haze-style illumination. Its radial T-1 package delivers robust solderability and reliable long-term operation across common industrial temperature ranges. Use it widely for panel indicators, status LEDs, low-power illumination circuits and signal lighting fixtures. Request quote for pricing and availability.