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PDF OPB680-20 Data sheet ( Hoja de datos )

Número de pieza OPB680-20
Descripción Slotted Optical Flag Switch Types
Fabricantes OPTEK Technologies 
Logotipo OPTEK Technologies Logotipo



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Product Bulletin OPB680
April 1998
Slotted Optical Flag Switch
Types OPB680, OPB680-20
www.datasheet4u.com
Features
Phototransistor output
Mechanical switch replacement
Printed circuit board mounting
Enhanced signal to noise ratio
Lever force options
Description
The OPB680 consists of an NPN
phototransistor and an infrared emitting
diode in a molded plastic housing. The
phototransistor has an enhanced low
current roll-off which improves contrast
ratio and immunity to background
irradiance. A lever arm actuated flag
interrupts the light beam, switching the
output between states that can readily
drive logic gates. The lever can be
actuated by a passing paper sheet
without damaging the paper edge.
The OPB680-20 has the same features
as the OPB680 with an increased lever
operating force. This feature prevents
false triggering due to incidental contact
in door sensing and other heavy duty
applications.
Customized lever arms and additional
spring torques can be designed for
specific applications.
Absolute Maximum Ratings (TA = 25o C unless otherwise noted)
Storage and Operating Temperature . . . . . . . . . . . . . . . . . . . . . . . . -40o C to +100o C
Lead Soldering Temperature [1/16 inch (1.6 mm) from case for 5 sec. with soldering
iron] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260o C
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 Phototransistor:
Collector-Emitter Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 V
Emitter Reverse Current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 mA
Collector DC Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 mA
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 mW(3)
Notes:
(1) RMA flux is recommended. Duration can be extended to 10 sec. max. when flow soldering.
Max. 20 grams force may be applied to leads when soldering.
(2) Derate linearly 1.33 mW/o C above 25o C.
(3) Derate linearly 2.0 mW/o C above 25o C.
(4) “On”condition exists when the lever arm is in the rest position (16o from vertical) as shown in
the figure.
(5) “Off”condition exists when the lever arm is deflected clockwise 8o ± 3o from the rest position
(16o from vertical) as shown in the figure. Maximum allowable deflection is 35o from the rest
position.
Optek Technology, Inc.
1215 W. Crosby Road
Carrollton, Texas 75006
23
(972)323-2200
Fax (972)323-2396

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