LED55B Fairchild Optoelectronics Group, LED55B Datasheet - Page 3
![DIODE EMITTING GAAS IRED TO-46](/photos/8/0/80056/infrared_photo_fig_3_sml.jpg)
LED55B
Manufacturer Part Number
LED55B
Description
DIODE EMITTING GAAS IRED TO-46
Manufacturer
Fairchild Optoelectronics Group
Datasheet
1.LED56.pdf
(4 pages)
Specifications of LED55B
Current - Dc Forward (if)
100mA
Wavelength
940nm
Voltage - Forward (vf) Typ
1.7V
Viewing Angle
16°
Orientation
Top View
Mounting Type
Through Hole
Package / Case
TO-46
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Radiant Intensity (ie) Min @ If
-
Other names
LED55BQT
LED55BQT
LED55BQT
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LED55B
Manufacturer:
FAIRCHILD/仙童
Quantity:
20 000
Company:
Part Number:
LED55BF/LED55F
Manufacturer:
FAIRCHILD
Quantity:
3 000
DS300312
TYPICAL PERFORMANCE CURVES
6/05/01
100
1.4
1.2
1.0
0.8
0.6
0.4
0.2
80
60
40
20
10
8
6
4
2
1
0
Figure 4. Forward Voltage vs. Forward Current
NORMALIZED TO
T
I
-50
F
A
= 100 mA
= 25 C
.9
Figure 2. Power Output vs. Temperature
T
A
-25
= 100 C
1.0
T
A
V
, AMBIENT TEMPERATURE ( C)
F
, FORWARD VOLTAGE (V)
0
0.05
0.02
0.01
1.1
100
1.0
0.5
0.2
0.1
25
50
20
10
5
2
.001
50
25 C
1.2
.002
75
1.3
.005
-55 C
100
.01
1.4
Figure 1. Power Output vs. Input Current
125
.02
1.5
150
GaAs INFRARED EMITTING DIODE
I
F
, FORWARD CURRENT (A)
.05
LED55B
3 OF 4
0.1
8.0
6.0
4.0
2.0
1.0
0.8
0.6
0.4
0.2
0.1
.08
.06
.04
.02
.01
10
0
0.2
100
NORMALIZED TO
T
I
80
60
40
20
F
A
0
-50
= 100 mA
= 25 C
1
Figure 3. Forward Voltage vs. Forward Current
- ANGULAR DISPLACEMENT FROM OPTICAL AXIS (DEGREES)
0.5
-40
CONTINUOUS
FORWARD
CURRENT
Figure 5. Typical Radiation Pattern
2
-30
1.0
3
-20
2
V
F
PULSED
P
FORWARD
CURRENT
, FORWARD VOLTAGE (V)
LED55C
W
-10
4
= 80 sec
5
0
5
10
10
6
20
7
30
8
www.fairchildsemi.com
40
9
50
LED56
10