The TRR18EZPF9091 is a five-terminal SMD (Surface Mount Device) LED module from ROHM Electronics. This LED module is made up of a single red LED, a 500mA limiting resistor, and a 9091 series of plastic package. The overall dimensions of the LED module are 6.5mm x 6.5mm, with a height of 3.2mm. The package includes a pre-installed heat sink and a diffuser plate to evenly light the space around it. The high power output of this module provides up to 870 mW in total emitted power, thanks to the combination of the luminous intensity and the wavelength. The power efficiency of this module is around 77 mW/m2, making it a great choice for applications requiring high power LEDs. This module has high brightness and excellent long-term stability, making it ideal for a variety of applications.