Entrance 



Company 

Products 

L940-xxAU 

Applications 

Links 

 

Contact 

 
 
L940-xxAU      Infrared LED Lamp
  
This series of L940-xxAU is a AlGaAs 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 18mW with a peak wavelength of 940nm.
 
Product Specification
 
Chip Material AlGaAs/GaAs (DDH)
Peak Wavelength 940nm typ.
Package Clear epoxy resin
Lead Frame Soldered
 
Maximum Specification
 
Item Max   Ambient Temp.
Power dissipation, PD   140 mW Ta=25°C
Forward current , I 100 mA Ta=25°C
Pulse Forward current IFP  1 A Ta=25°C
Reverse voltage, V 5 V Ta=25°C
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 1.3 1.45 V
Reverse current , IR VR =5V   10 µA  
Total radiated power, PO IF =50mA 14 mW   18 mW  
Peak wavelength, lp IF =50mA 930 nm  940 nm  955 nm 
Half-Width, l ½   IF =50mA 50 nm
Rise-time tR IF =50mA 1 µsec
Fall-time tF IF =50mA 0.5 µsec
 
Radiant Intensity Characteristics
 
Part no. Viewing Half Angle Radiance  (IF=50mA)   Dimension 
L940-01AU   ±10°  55 mW/sr Ø5 mm Fig. no.1
L940-03AU ±15°  45 mW/sr Ø5 mm Fig. no.3
L940-04AU   ±20°  20 mW/sr  Ø5 mm Fig. no.4
L940-06AU ±6°  75 mW/sr Ø5 mm Fig. no.6
L940-09AU   ±25° (long axis)  35 mW/sr  

Ø5 mm (oval)  

±15° (short axis) Fig. no.7
L940-33AU   ±15°  20 mW/sr  Ø3 mm Fig. no.9
L940-36AU ±30°    11 mW/sr Ø3 mm Fig. no.10
 
  
(c) 2000 copyright TMAE 
All rights reserved 

Home  Company  Products  Applications  Links  Contact Techmark