The latest Cree LED, the XT-E, has the same footprint as the good old XP-G series, but with an extra 23lm !

XT-E product details

The XT-E family spans a CCT range from 2700K to 10,000K. In the 5000K to 10,000K cool-white products, Cree has added a minimum 70 CRI option that it hasn’t previously offered in that range. Such cool-white LEDs are primarily targeted at outdoor lighting where color rendering is often considered less important. Scheidt said that some European agencies as well as the Design Lights Consortium are increasingly requiring a minimum CRI and that drove the decision to offer a CRI minimum in cool white.

Neutral-white LEDs in the 3500K-5000K CCT range feature a typical 75 CRI and can be specified with a minimum of 70 or 80 CRI. Warm-white LEDs in the 2700K-3500K range feature a typical 80 CRI and can be specified with a minimum 70 or 80 CRI.

All of the XT-E LEDs can be driven at a maximum of 1500 mA. And all, including cool-white LEDs, are hot binned at a 85°C junction temperature and at a 350-mA drive current.

At 25°C operating temperature, efficacy tops out at 162 lm/W. In cool white, the LEDs produce 139 lm at 85°C and 159 lm at 25°C, both at 350-mA drive currents.

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