Applications
Non-contact position sensing
Photoelectric sensors
Optical encoders
Light curtains
Vertical Cavity Surface Emitting
Laser in TO-46 Package
OPV302
850nm VCSEL technology
High thermal stability
Low drive current
High output power
Narrow Beam Angle
The OPV302 is a Vertical Cavity Surface Emitting Laser (VCSEL) packaged in a dome lens TO-46 package.
VCSELs offer many advantages in sensing applications when compared to infrared LEDs. These devices require
substantially lower drive currents to obtain the same amount of output power as LEDs. This feature allows
VCSELs to be used in low power consumption applications such as battery operated equipment.
The dome lens packaging creates a narrow beam angle from the device. Long distance applications may benefit
from this feature as secondary optics may be eliminated, reducing total system cost. The OPV302 is optically and
spectrally compatible with Optek's standard detector products such as the OP800 series phototransistors, OP830
series photodarlingtons and the OP910 photodiode.
Optek reserves the right to make changes at any time in order to improve design and to supply the best product possible.
OPTEK Technology Inc.-- 1645 Wallace Drive, Carrollton, Texas 75006
Phone: (800) 341-4747 FAX: (972) 323 2396 sensors@optekinc.com www.optekinc.com
A subsidiary of
TT electronics plc
Additional laser safety information can be
found on the Optek website. See application
bulletin #221.
Classification is not marked on the device
due to space limitations. See package out-
line for centerline of optical radiance. Oper-
ating devices beyond maximum rating may
result in hazardous radiation exposure.
1
2
VCSEL
.230
.209
.100
1
3
2
3X .019
.016
.050 MAX
.186
.180
3X .500 MIN
.210
.190
.030 MAX
Emission
Surface
OPV302
Pin
Connection
1
VCSEL Anode
2
VCSEL Cathode
3
No Connection
Pb
RoHS
VCSEL in TO-46 Package
OPV302
OPTEK Technology Inc.-- 1645 Wallace Drive, Carrollton, Texas 75006
Phone: (800) 341-4747 FAX: (972) 323 2396 sensors@optekinc.com www.optekinc.com
Electrical Characteristics
(T
A
= 25
C unless otherwise noted)
Absolute Maximum Ratings
T
A
= 25
o
C unless otherwise noted
Storage Temperature Range
-40
to
+100
C
Operating Temperature Range
-40
to
+85
C
Lead Soldering Temperature [1/16 inch (1.6mm) from case for 5 sec with soldering iron]
260
C
(1)
Maximum Forward Peak Current
20 mA
Maximum Reverse Voltage
5 V
NOTES:
(1) RMA flux is recommended. Solder dwell time can be increased to 10 seconds when flow soldering.
(2) Threshold Current is based on the two line intersection method specified in Telcordia GR-468-Core. Line 1 from 4 mA to 6 mA. Line 2 from 0 mA to 0.5 mA.
(3) Series Resistance is the slope of the Voltage-Current line from 5 to 8 mA.
(4) Slope efficiency, is the slope of the best fit LI line from 5 mA to 8 mA with 0.25mA test intervals.
SYMBOL
PARAMETER
MIN
TYP
MAX
UNITS
CONDITIONS
P
OT
Total Power Out
1.5
mW
I
F
= 7 mA
I
TH
Threshold Current
3.0
mA
Note 2
V
F
Forward Voltage
2.2
V
I
F
= 7 mA
I
R
Reverse Current
100
nA
V
R
= 5 V
R
S
Series Resistance
20
55
ohms
Note 3
Slope Efficiency
0.28
mW/mA
Note 4
Wavelength
830
860
nm
Optical Bandwidth
0.85
nm
Beam Divergence
4
Degrees
/
T
Temp Coefficient of Slope Efficiency
-0.50
%/
C
(0
- 70
C), Note 4
/
T
Temp Coefficient of Wavelength
0.06
nm/
C
(0
- 70
C)
l
TH
/
T
Temp Coefficient of Threshold Current
1.0
mA
(0
- 70
C), Note 2
V
F
/
T
Temp Coefficient for Forward Voltage
-2.5
mV/
C
(0
- 70
C)
Issue 1.1 05.05
Page 2 of 2
Typical Angular Output
0
0%
20%
60%
80%
100%
Angular Displacement--Degrees
Relativ
e
Output
-60
-90 90
Normalized Output Power vs.
Forward Current
0
2 4 6 8 10
12
Forward Current--mA
200%
100%
0%
Nor
m
alized Output Po
w
e
r
Normalized at 7mA, 25
C
30 60
-30
40%
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