
5200 St. Patrick St., Montreal
The Old Railway, Princes Street
Que., H4E 4N9, Canada
Ulverston, Cumbria, LA12 7NQ, UK
Tel: 514-768-8000
Tel: 01 229 581 551
Fax: 514-768-8889
Fax: 01 229 581 554
QF-84
SLED-56HF1
GaAs Infrared Emitting Diode
Features
High output at low current
Wide emission angle
Multiple power ranges
TO-46 flat window package
Description
This Silonex device is a high output Gallium Arsenide
infrared emitter which produces a peak radiation at
940 nm when forward biased. It is contained in a low
profile flat window TO-46 hermetic package.
Absolute Maximum Ratings
Storage Temperature
-65 to +125
°C
Operating Temperature
-65 to +125
°C
Soldering Temperature (1)
260
°C
Average Forward Current
100 mA
Power Dissipation (2)
150 mW
Notes: (1) >2mm from case for <5 sec.
(2) derate 1.5 mW/
°C above 25°C
(3) This is the average radiant intensity on a
0.250” diameter surface at a distance of
0.5” from the lens side of the tab to the
sensing surface, forming a 30
° cone.
CATHODE
(Common to case)
Anode
25.4 Min.
45°
Dimensions in mm. (+/- 0.12)
4.7
3.9
0.8
0.5-0.52
5.3
2.5
Half Angle =25°
Directional Emission Characteristics
10°
20°
30°
40°
50°
60°
70°
80°
90°
100°
20°
40°
60°
80°
100° 120°
0.0
0.2
0.4
0.6
0.8
1.0
0.4
0.6
0.8
1.0
50%
Electrical Characteristics (TA=25
°C unless otherwise noted)
Symbol
Parameter
MIN
TYP
MAX
UNITS
TEST CONDITIONS
PO
Output Power
SLED-56HF1A
2.0
mW
IF = 50 mA
SLED-56HF1B
3.0
mW
IF = 50 mA
SLED-56HF1C
4.0
mW
IF = 50 mA
SLED-56HF1D
5.0
mW
IF = 50 mA
Ee(APT) Aperture Radiant Intensity
SLED-56HF1A
0.10
mW/cm2 IF = 50 mA, @ 30
° (3)
SLED-56HF1B
0.50
mW/cm2 IF = 50 mA, @ 30
° (3)
SLED-56HF1C
0.75
mW/cm2 IF = 50 mA, @ 30
° (3)
SLED-56HF1D
1.00
mW/cm2 IF = 50 mA, @ 30
° (3)
λ
P
Peak Wavelength
940
nm
λ
BW
Bandwidth
50
nm
tR, tF
Rise time, Fall time
600
ns
IF = 20 mA
VF
Forward Voltage
1.8
V
IF = 60 mA
VBR
Reverse Breakdown Voltage
5.0
30
V
IR = 10
A
IR
Reverse Current
10
A
V = - 3.0 V
θ
1/2
Half Power Point
25
deg
(off center-line)
Specifications subject to change without notice
103208 REV 1