LN850-CET52      Infrared Center Emitted LED with Ball Lens
LN850-CET52 is a center emitted LED to be focused through the high reflective ball lens mounted on TO-18 stem and hermetically sealed with a flat glass lens. On forward bias it emits a spectral band of high power radiation which peaks at 850nm.
Product Specification
Chip Material GaAlAs (DDH)
Peak Wavelength 850nm typ.
Emitted area 180m
   Type TO-18 stem
   Ball Lens Glass 250m
   Lens cap Flat glass lens with gold plated can
Maximum Specification
Item Max   Ambient Temp.
Power dissipation, PD   160 mW Ta=25C
Forward current , I 100 mA Ta=25C
Pulse Forward current IFP  500 mA Ta=25C
Reverse voltage, V 5 V Ta=25C
Operation temp., Topr  -30/+80 C
Storage temp. , Tstg   -30/+85 C
Solder temp., Tsol   260 C
Electro-Optical Characteristics  
Item Condition Min Standard Max
Forward voltage, VF IF =50mA 1.5 1.7 V
Reverse current , IR VR =5V   10 A  
Total radiated power, PO IF =50mA 3.0 mW 5.0 mW  
Radiant Intesity, IE IF =50mA 3.0 mW/sr  
Peak wavelength, lp IF =50mA 835 nm  850 nm  865 nm 
Half-Width, l   IF =50mA 35 nm
Viewing Half-Angle, deg  IF =50mA 40deg.
Rise-time tR IF =50mA 30 nsec
Fall-time tF IF =50mA 20 nsec
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