HSDL-4251 Avago Technologies US Inc., HSDL-4251 Datasheet - Page 3

• Manufacturer Part Number: HSDL-4251
• Description: Infrared Emitters Lamp T13/4
• Manufacturer: Avago Technologies US Inc.

Specifications of HSDL-4251

• Wavelength: 870 nm
• Package / Case: T-1 3/4 (5 mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Optical Characteristics at 25° ° ° ° ° C
Figure 1. Relative Radiant Intensity vs. Wavelength
Figure 3. Peak Forward Current vs. Forward Voltage
3
Parameter
Radiant On-Axis Intensity
Radiant On-Axis Intensity
Peak Wavelength
Peak wavelength
Spectral Width
Optical Rise and Fall Time
Temperature Coefficient
Viewing Angle
Temperature Coefficient
1000
1.2
0.8
0.6
0.4
0.2
100
10
1
0
1
800
0
Peak Forward Voltage Vs Peak Forward Current
820
Peak Wavelength Vs Relative Radiant Intensity
0.5
Vfpk - Peak Forward Voltage - (V)
840
Peak Wavelength in nm
860
Symbol
I
2θ
∆I
∆λ/∆T
∆λ
t
E
λ
r
/t
pk
E
1/2
1
/∆T
f
880
HSDL-4250
HSDL-4251
HSDL-4250
HSDL-4251
900
1.5
920
124
Min.
56
-
-
-
-
-
940
2
180
100
-0.43 -
15
870
0.22
45
40
Typ.
30
Figure 2. DC Forward Current vs. Forward Voltage
Figure 4. Forward Voltage vs. Ambient Temperature
100
1.7
1.6
1.5
1.4
1.3
1.2
1.1
10
1.8
1
1
Max. Unit
-
-
-
-
-
-
-
-
0
-25
mW/Sr
mW/Sr
%/°C
°
°
nm
nm/°C
nm
ns
0.5
Forward Voltage Vs Temperature
0
Temperature in Degrees
I
I
I
I
I
I
Duty Ratio = 20%
Pulse Width=125ns
V-I Characteristics
Vf - Forward Voltage - (V)
Condition
FDC
FDC
FDC
FDC
FDC
FDC
25
=100mA
=100mA
=100mA
=100mA
=50mA
=500mA
1
50
75
1.5
I-Led=20mA
I-Led=100mA
Figure 5
Figure 7
Figure 7
Figure 1
Figure 1
Reference
100
125
2