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L660-xxU      Red LED Lamp
  
This series of L660 is a GaAlAs LED mounted on a lead frame with clear epoxy lens. On forward bias it emits a spectrally narrow band of visible light which peaks at 660nm.
 
Product Specification
 
Chip Material GaAlAs/GaAlAs
Peak Wavelength 660nm typ.
Package Clear epoxy resin
Lead Frame Soldered
 
Maximum Specification
 
Item Max   Ambient Temp.
Power dissipation, PD   120 mW Ta=25C
Forward current , I 50 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 =20mA 1.9 2.3 V
Reverse current , IR VR =5V   10 A  
Total radiated power, PO IF =20mA 4.0 mW  
Peak wavelength, lp IF =20mA 650 nm  660 nm  670 nm 
Half-Width, l   IF =20mA 20 nm
 
Luminescence Characteristics
 
Part no. Viewing Half Angle Luminescence (IF=20mA)   Dimension 
L660-01U   10 1500 mcd 5 mm Fig. no.1
L660-02U 5 3000 mcd 5 mm Fig. no.2
L660-03U 15 1000 mcd 5 mm Fig. no.3
L660-04U   20   600 mcd  5 mm Fig. no.4
L660-06U 6 4000 mcd 5 mm Fig. no.6
L660-09U   25 (long axis) 1000 mcd  

5 mm (oval)  

15 (short axis) Fig. no.7
L660-10U 6 4000* mcd  10 mm Fig. no.8
L660-33U   15   500 mcd  3 mm Fig. no.9
L660-36U 30     300 mcd 3 mm Fig. no.10
 
* Classification: U=4000, V=6000, W=8000 mcd  
 
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