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L645-xxV      Red LED Lamp
 
This series of L645V is a InGaAlP 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 645nm.
 
Product Specification
 
Chip Material InGaAlP/GaAs
Peak Wavelength 645m 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 2.2 V  2.4 V
Reverse current , IR VR =5V   10 µA  
Total radiated power, PO IF =20mA 2.5 mW  
Peak wavelength, lp IF =20mA 635 nm  645 nm  655 nm 
Half-Width, Dl ½   IF =20mA 20 nm
 
Luminescence Characteristics
 
Part no. Viewing Half Angle Luminescence (IF=20mA)   Dimension 
L645-01V   ±9°   2000 mcd Ø5 mm Fig. no.1
L645-02V   ±3°   3000 mcd Ø5 mm Fig. no.2
L645-03V ±12°   1500 mcd Ø5 mm Fig. no.3
L645-04V   ±15°     600 mcd  Ø5 mm Fig. no.4
L645-05V   ±30°     100 mcd  Ø5 mm Fig. no.5
L645-06V ±3°   5000 mcd Ø5 mm Fig. no.6
L645-09V   ±25° (long axis)     600 mcd  

Ø5 mm Fig. no.7
±15° (short axis) (oval)  
L645-33V   ±16°     800 mcd  Ø3 mm Fig. no.9
L645-36V ±40°       250 mcd Ø3 mm Fig. no.10
 
 
 
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