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.4

02/09

Page 5 of 5

Silicon Phototransistor and Photo Darlington

in Miniature 0805 SMD Package

OP500, OP501, OP500DA, OP501DA

0

0.50

1.0

100%

120%

140%

160%

-25

0

25

50

75

100

Temperature—(°C)

80%

60%

1.5

90%

100%

110%

120%

130%

80%

70%

140%

2.0

40%

OP500DA, OP501DA

Relative On-State Collector Current

vs. Irradiance—Ee (mW/cm

Relative On-State Collector Current-IC (mA)