Infrared Light Emitting Diodes
Unit : mm
LN151F
LN151F, LN151L
ø4.6±0.15
Glass window
GaAs Infrared Light Emitting Diodes
For optical control systems
2-ø0.45±0.05
2.54±0.25
Features
High-power output, high-efficiency : PO = 7.5 mW (typ.)
Fast response and high-speed modulation capability :
1.0
±
0.2
tr, tf = 1 µs (typ.)
45
±
0.15
3˚
Infrared light emission close to monochromatic light :
±
1.0
λP = 950 nm (typ.)
2
1
Narrow directivity, suitable for effective use of radiant power
(LN151L)
ø5.75 max.
1: Anode
2: Cathode
Wide directivity, matched for external optical systems (LN151F)
TO-18 standard type package
Unit : mm
LN151L
ø4.6±0.15
Glass lens
Absolute Maximum Ratings (Ta = 25˚C)
Parameter
Symbol
Ratings
Unit
mW
mA
A
Power dissipation
PD
IF
160
Forward current (DC)
Pulse forward current
Reverse voltage (DC)
Operating ambient temperature
Storage temperature
100
*
2-ø0.45 ± 0.05
2.54±0.25
IFP
2
VR
Topr
Tstg
3
V
–25 to +100
–30 to+100
˚C
1.0
±
˚C
0.2
*
45
f = 100 Hz, Duty cycle = 0.1 %
±
0.15
3˚
±
1.0
2
1
1: Anode
2: Cathode
ø5.75 max.
Electro-Optical Characteristics (Ta = 25˚C)
Parameter
Radiant power
Symbol
Conditions
min
typ
max
Unit
mW
nm
nm
V
PO
λP
∆λ
VF
IR
Ct
tr
IF = 100mA
5
7.5
Peak emission wavelength
Spectral half band width
Forward voltage (DC)
Reverse current (DC)
Capacitance between pins
Rise time
IF = 100mA
IF = 100mA
IF = 100mA
VR = 3V
950
50
1.3
1.6
10
µA
pF
VR = 0V, f = 1MHz
60
1
µs
IFP = 100mA
Fall time
tf
1
µs
LN151F
LN151L
32
8
deg.
deg.
Half-power angle
θ
The angle in which radiant intencity is 50%
1