LIGITEK ELECTRONICS CO.,LTD.
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PART NO. LA177B-1/SRG
Page 2/5
Absolute Maximum Ratings at Ta=25
℃
Ratings
Parameter
Symbol
SR
Forward Current
Peak Forward Current
Duty 1/10@10KHz
Power Dissipation
Reverse Current @5V
Operating Temperature
Storage Temperature
Soldering Temperature
I
F
I
FP
PD
Ir
T
opr
Tstg
Tsol
30
100
100
10
-40 ~ +85
-40 ~ +100
Max 260
℃
for 5 sec Max
(2mm from body)
G
30
120
100
mA
mA
mW
UNIT
μ
A
℃
℃
Typical Electrical & Optical Characteristics (Ta=25
℃
)
Forward
Peak
Spectral
voltage
wave
halfwidth
@20mA(V)
length
△λ
nm
λ
Pnm
Luminous
intensity
PART NO
MATERIAL
Emitted
GaAlAs
Red
COLOR
Viewing
angle
@ 20 mA(mcd)
2
θ
1/2
(deg)
Lens
660
White Diffused
Min. Max. Min.
20
30
1.5
1.7
2.4
2.6
38
15
Typ.
65
28
36
36
LA177B-1/SRG
GaP
Green
565
Note : 1.The forward voltage data did not including
±
0.1V testing tolerance.
2. The luminous intensity data did not including
±
15% testing tolerance.
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