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OHB3040 Datasheet(PDF) 1 Page - OPTEK Technologies |
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OHB3040 Datasheet(HTML) 1 Page - OPTEK Technologies |
1 / 3 page OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible. Hallogic Hall-effect Sensor Assembly OHB3040, OHB3040B & OHB3040S 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 B 03/2014 Page 1 of 3 Features: Non-contact motion sensing Operates over a broad range of supply voltages (4.5 V to 25 V) Excellent temperature stability Hall element, linear amplifier and Schmitt trigger on a single Hallogic silicon chip Suitable for military and space applications. Performs in dirty environments over wide temperature range 0.125” (3.18 mm) wide gap Description: The OHB3040 consists of a ceramic Hall-effect sensor (OMH3040) and a rare earth magnet mounted in a low-cost plastic housing. The magnet produces optimum magnetic flux at the Hall-effect sensor location. The sensor has an open collector transistor output, which is activated when the slot is open. When the slot is blocked by a ferrous material that reduces the magnetic flux density at the Hall-effect sensor location, the open collector output transistor switches off. The device provides up to 25 mA of sink current. Output characteristics are constant at switching frequencies from DC to over 200 kHz. The OHB3040B has Hi-Reliability processing level B while the OHB3040S has Hi-Reliability processing level S. The Uni-Polar turns on with a (logic level “0”) after a sufficient magnetic field from the south pole of a magnet approaches the symbolized face of the device (Operating Point) and turns off (logic level “1”) after the magnetic field reached a minimum value. This feature makes these sensors ideal for applications in non-contact switching operations. Product Photo Here Hall Element Voltage Regulator 2 3 1Vcc Output Ground Pin # Description 1 Vcc 2 Ground 3 Output Applications: Non-contact slotted magnetic switch Harsh environment encoder Assembly line automation Machine automation Machine safety End of travel sensor Door sensor DIMENSIONS ARE IN: INCHES [MILLIMETERS] Ordering Information Part Number Description OHB3040 OHB3040B OHB3040S Slotted Switch RoHS |
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