5mm round diffused leds with integral resistor truopto osy5lu5b64a 12v a yellow 130mcd 5mm led from truopto that features an integral current limiting resistor that makes this led more cost effective by cutting down the component count and simplifying circuit board design the leds are suitable for a wide range of applications such as status indication indicative and illuminative lighting etc truopto osy5lu5b64a 12v 5mm yellow led 12v 60 130mcd diffused