L-793SRC-D is a super-bright red through-hole LED in an 8 mm round radial package with a water-clear lens. It uses a GaAlAs emitter with a 640 nm dominant wavelength, 15° viewing angle, and luminous intensity of 1500–1700 mcd at 20 mA; forward voltage is 1.85–2.5 V at 20 mA.