Datasheet
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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
Issue A 04/2012
Page 4 of 5
Plastic Infrared Emitting Diode
OP140, OP145 Series
OP140, OP145 (A, B, C, D)
Distance vs Output Power vs Forward Current
0
1
2
3
4
5
6
7
8
9
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
Distance (inches)
Normalized Output Power
10 mA
20 mA
30 mA
40 mA
50 mA
60 mA
80 mA
100 mA
Normalized at 0.6" and 50 mA
Forward Current
Forward Voltage vs Forward Current vs
Temperature
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
0 5 10 15 20 25 30 35 40 45
Forward Current (mA)
Typical Forward Voltage (V)
-65°C
-40°C
-20°C
+0°C
+20°C
+40°C
+60°C
+80°C
+100°C
+125°C
Optical Power vs I
F
vs Temp
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0 5 10 15 20 25 30 35 40 45 50
Forward Current I
F
(mA)
Normalized Optical Power
-65°C
-40°C
-20°C
+0°C
+20°C
+40°C
+60°C
+80°C
+100°C
+125°C
Normalized at 20 mA and 20
o
C