Opto-Electronics


Low-power LED with overdrive

10 July 2013 Opto-Electronics

Everlight expanded its range of low-power LEDs with a 0,2 W top-view white LED featuring a lead frame technology with heat slug for good heat dissipation. The new 45-21S series is especially suitable for LED light tubes in general lighting.

This 3,0 x 2,0 x 0,8 mm (LxWxH) white LED can be overdriven up to 30 mA or 60 mA while maintaining high efficiency: 115 lm/W for the cool white and >104 lm/W for the warm white versions.

The 45-21S series has a CRI of >80 Ra and is offered with ANSI CCTs ratings from 2700 K to 6500 K. The LED provides a typical light output of 20 lm (ww) and 22 lm (cw) at 60 mA and achieves a very high luminous output of 26–41 lm @ 75 mA. It is lead-free and RoHS compliant.



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