LIGITEK ELECTRONICS CO.,LTD.
Property of Ligitek Only
PART NO. LA190B/SRF-S4-PF
Page 2/5
Absolute Maximum Ratings at Ta=25 ℃
Ratings
SRF
Symbol
Parameter
UNIT
IF
IFP
30
Forward Current
mA
mA
mW
Peak Forward Current
Duty 1/10@10KHz
90
Power Dissipation
PD
Ir
75
Reverse Current @5V
Electrostatic Discharge( * )
Operating Temperature
Storage Temperature
μA
V
10
ESD
Topr
Tstg
2000
-40 ~ +85
-40 ~ +100
℃
℃
Static Electricity or power surge will damage the LED. Use of a conductive wrist band or anti-electrosatic
glove is recommended when handing these LED. All devices, equipment and machinery must be properly
grounded.
*
Typical Electrical & Optical Characteristics (Ta=25 ℃)
Forward
voltage
@20mA(V) @20mA(mcd)
Luminous
intensity
Viewing
angle
2θ 1/2
(deg)
Dominant
wave
length
Spectral
halfwidth
△λnm
COLOR
PART NO
MATERIAL
AlGaInP
λDnm
Typ.
90
Emitted
Red
Max.
2.4
Min.
1.5
Min.
50
Lens
Red Diffused
LA190B/SRF-S4-PF
630
20
50
Note : 1.The forward voltage data did not including ±0.1V testing tolerance.
2. The luminous intensity data did not including ±15% testing tolerance.