L735-xxAU      Infrared LED Lamp
This series of L735-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 20mW with a peak wavelength of 735nm.
Product Specification
Chip Material GaAlAs (DDH)
Peak Wavelength 735nm 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 1.8 2.0 V
Reverse current , IR VR =5V   10 A  
Total radiated power, PO IF =50mA 20 mW  
Peak wavelength, lp IF =50mA 710 nm  735 nm  760 nm 
Half-Width, l   IF =50mA 35 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 
L735-01AU   10   1500 mW/sr 5 mm Fig. no.1
L735-03AU 15   1000 mW/sr 5 mm Fig. no.2
L735-04AU   20     600 mW/sr  5 mm Fig. no.3
L735-06AU 6  4000 mW/sr 5 mm Fig. no.4
L735-09AU   25 (long axis)  1000 mW/sr  

5 mm (oval)  

15 (short axis) Fig. no.5
L735-33AU   15    500 mW/sr  3 mm Fig. no.7
L735-36AU 30      300 mW/sr 3 mm Fig. no.8
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