
Plastic Infrared Emitting Diode
OP140, OP145 Series
OP140, OP145 (A, B, C, D)
Forward Voltage vs Forward Current vs
1.8
1.7
Temperature
4.0
3.5
Optical Power vs I F vs Temp
Normalized at 20 mA and 20 o C
1.6
1.5
1.4
1.3
3.0
2.5
2.0
-65°C
-40°C
-20°C
+0°C
+20°C
+40°C
+60°C
+80°C
+100°C
+125°C
1.2
1.1
1.0
0.9
-65°C
-40°C
-20°C
+0°C
+20°C
+40°C
+60°C
+80°C
+100°C
+125°C
1.5
1.0
0.5
0.0
0
5
10
15
20
25
30
35
40
45
0
5
10
15
20
25
30
35
40
45
50
9
8
Forward Current (mA)
Distance vs Output Power vs Forward Current
Normalized at 0.6" and 50 mA
Forward Current
Forward Current I F (mA)
7
6
5
4
3
2
1
0
10 mA
20 mA
30 mA
40 mA
50 mA
60 mA
80 mA
100 mA
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
Distance (inches)
OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible.
Issue A 04/2012
Page 4 of 5
OPTEK Technology Inc. — 1645 Wallace Drive, Carrollton, Texas 75006
Phone: (972) 323-2200 or (800) 341-4747 FAX: (972) 323-2396 sensors@optekinc.com www.optekinc.com