L680-xxAU      Infrared LED Lamp
This series of L680-xxAU is a GaAlAs LED mounted on a lead frame and encapsulated in various types of epoxy lens which offer different design settings. On forward bias it emits a high power radiation of typical 12mW with a peak wavelength of 680nm.
Product Specification
Chip Material GaAlAs (DDH)
Peak Wavelength 680nm typ.
Package Clear epoxy resin
Lead Frame Soldered
Maximum Specification
Item Max   Ambient Temp.
Power dissipation, PD   220 mW Ta=25C
Forward current , I 75 mA Ta=25C
Pulse Forward current IFP  500 mA Ta=25C
Reverse voltage, V 5 V Ta=25C
Operation temp., Topr  -30/+85 C
Storage temp. , Tstg   -30/+100 C
Solder temp., Tsol   260 C
Electro-Optical Characteristics  
Item Condition Min Standard Max
Forward voltage, VF IF =50mA 2.0 2.3 V
Reverse current , IR VR =5V   10 A  
Total radiated power, PO IF =50mA 6 mW 12 mW  
Peak wavelength, lp IF =50mA 665 nm  680 nm  700 nm 
Half-Width, l   IF =50mA 25 nm
Rise-time tR IF =50mA 80 nsec
Fall-time tF IF =50mA 80 nsec
Radiant Intensity Characteristics
Part no. Viewing Half Angle Radiance  (IF=50mA)   Dimension 
L680-01AU   10   65 mW/sr 5 mm Fig. no.1
L680-03AU 15   55 mW/sr 5 mm Fig. no.2
L680-04AU   20   25 mW/sr  5 mm Fig. no.3
L680-06AU 6   90 mW/sr 5 mm Fig. no.4
L680-09AU   25 (long axis)   40 mW/sr  

5 mm (oval)  

15 (short axis) Fig. no.5
L680-33AU   15   25 mW/sr  3 mm Fig. no.7
L680-36AU 30     13 mW/sr 3 mm Fig. no.8
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