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L635-xxU      Red LED Lamp
  
This series of L635 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 635nm.
 
Product Specification
 
Chip Material InGaAlP
Peak Wavelength 635nm typ.
Package Clear epoxy resin
Lead Frame Soldered
 
Maximum Specification
 
Item Max   Ambient Temp.
Power dissipation, PD   140 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 2.0 2.5 V
Reverse current , IR VR =5V   10 A  
Total radiated power, PO IF =20mA 0.4 mW  
Peak wavelength, lp IF =20mA 625 nm  635 nm  645 nm 
Half-Width, Dl   IF =20mA 30 nm
 
Luminescence Characteristics
 
Part no. Viewing Half Angle Luminescence (IF=20mA)   Dimension 
L635-01U   10 1200 mcd 5 mm Fig. no.1
L635-03U 15   800 mcd 5 mm Fig. no.3
L635-04U   20   500 mcd  5 mm Fig. no.4
L635-06U 6 3000 mcd 5 mm Fig. no.6
L635-09U   25 (long axis)   800 mcd  

5 mm (oval)  

15 (short axis) Fig. no.7
L635-10U 6 2000* mcd  10 mm Fig. no.8
L635-33U   15   400 mcd  3 mm Fig. no.9
L635-36U 30     200 mcd 3 mm Fig. no.10
 
 * Classification: U=2000, V=4000, W=6000 mcd
 
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