Product Bulletin OPB621 November 2000 Slotted Optical Switch Type OPB621 Features Absolute Maximum Ratings (TA = 25o C unless otherwise noted) • PIN photodiode sensor for high speed • Non-contact switching • Printed circuit board mounting • 0.320”(8.13 mm) lead centers • 0.190”(4.83 mm) gap Storage and Operating Temperature. . . . . . . . . . . . . . . . . . . . . . . . . -40°C to +100°C Lead Soldering Temperature [1/16 inch (1.6 mm) from case for 5 sec. with soldering iron] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260°C(4) Description The OPB621 slotted optical switch consists of an infrared emitting diode and a PIN photodiode. The low tr /tf of the PIN photodiode is ideal for high speed operation. The polysulfone housing is opaque to visible light but transmissive to infrared. The sensitivity to ambient radiation is minimized. Optek Technology, Inc. Input Diode Forward DC Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 mA Peak Forward Current (1 µs pulse width, 300 pps) . . . . . . . . . . . . . . . . . . . . . . . . 3.0 A Reverse DC Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.0 V Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 mW(2) Output Photodiode Reverse Breakdown Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 V Power Dissipation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 mW NOTES: (1) RMA flux is recommended. Duration can be ex tended to 10 seconds maximum when flow soldering. Maximum 20 grams force may be applied to leads when soldering. (2) Derate linearly 1.33 mW/°C above 25°C. (3) Methanol and isopropanol are recommended as cleaning agents. Plastic housings are soluble in chlorinated hydrocarbons and ketones. 1215 W. Crosby Road Carrollton, Texas 75006 25 (972) 323-2200 Fax (972) 323-2396 Type OPB621 Electrical Characteristics (TA = 25o C unless otherwise noted) SYMBOL PARAMETER MIN TYP MAX UNITS TEST CONDITIONS Input Diode VF Forward Voltage IR Reverse Current 1.15 1.45 V IF = 10 mA 100 µA VR = 3.0 V 65 nA VR = 30 V, Ee = 0 mW Photodiode ID V(BR)R VF Dark Current Reverse Breakdown Voltage V IR = 100 µA, Ee = 0 mW 1.0 V IF = 1 mA, Ee 0 mW 90.0 µA VR = 5.0 V, IF = 20 mA, Gap Unblocked 60 Forward Voltage Coupled I L(ON) Light Current (ON) 9.0 Optek re serves the right to make changes at any time in order to improve design and to supply the best product possi ble. Optek Technology, Inc. 1215 W. Crosby Road Carrollton, Texas 75006 (972)323-2200 Fax (972)323-2396 26