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: (972) 323-2200 or (800) 341-4747

FAX: (972) 323-2396 sensors@optekinc.com www.optekinc.com

Issue A

05/07

Page 7 of 8

Plastic Infrared Emitting Diode

OP290 Series

OP293, OP294, OP298, OP299

Forward Voltage vs Forward Current vs Temp.

0.9

1.0

1.1

1.2

1.3

1.4

1.5

1.6

1.7

1.8

0

10

20

3040506070

8090

100

Forward Current (mA)

-60° C

-40° C

-20° C

0° C

20° C

40° C

60° C

80° C

100° C

120°C

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

0

1020

3040

5060

7080

90

100

-60° C

-40° C

-20° C

0° C

20° C

40° C

60° C

80° C

100° C

120° C

Normalized at 50 mA and 20° C

Relative Radiant Intensity vs. Angular

Displacement

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

-20

-15

-10

-5

0

5

10

15

20

Angular Displacement (Degrees)

Distance vs Output Power vs Forward Current

0

1

2

3

4

5

6

0.2 '' 0.4 '' 0.6 '' 0.8 '' 1.0 '' 1.2 '' 1.4 '' 1.6 '' 1.8 '' 2.0 ''

Distance (inches)

10 mA

20 mA

30 mA

40 mA

50 mA

60 mA

70 mA

80 mA

90 mA

100 mA

Normalized at 1" and 50 mA

Forward Current