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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=25°C
Forward current , IF  50 mA Ta=25°C
Reverse voltage, VR  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 =20mA 1.9 V  2.3 V
Reverse current , IR VR =5V   10 µA  
Total radiated power, PO IF =20mA 4.0 mW  
Peak wavelength, lp IF =20mA 650 nm  660 nm  670 nm 
Half-Width, l ½   IF =20mA 20 nm
 
Luminescence Characteristics
 
Part no. Viewing Half Angle Luminescence (IF=20mA)   Dimension 
L660-01U   ±10° 1500 mcd Ø5 mm Fig. no.1
L660-02U ±5° 3000 mcd Ø5 mm Fig. no.2
L660-03U ±15° 1000 mcd Ø5 mm Fig. no.3
L660-04U   ±20°   600 mcd  Ø5 mm Fig. no.4
L660-06U ±6° 4000 mcd Ø5 mm Fig. no.6
L660-09U   ±25° (long axis) 1000 mcd  

Ø5 mm (oval)  
±15° (short axis) Fig. no.7
L660-10U ±6° 4000* mcd  Ø10 mm Fig. no.8
L660-33U   ±15°   500 mcd  Ø3 mm Fig. no.9
L660-36U ±30°     300 mcd Ø3 mm Fig. no.10
 
* Classification: U=4000, V=6000, W=8000 mcd  
 
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