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Overview

SS50AT Hall-effect sensor IC, SOT-89B, bipolar, 1000 units/pocket tape and reel.

The SS40A, SS40A-L, SS40A-T2, SS40A-T3 and SS50AT Bipolar Hall Effect sensor ICs are small, versatile digital Hall-effect devices that are operated by the magnetic field from a permanent magnet or an electromagnet. The bipolar magnetics respond to alternating North and South poles. The open-collector sinking output voltage easily interfaces with a wide variety of electronic circuits. These products have a thermally balanced integrated circuit over the full temperature range. A built-in regulator provides very stable operation over 4.5 Vdc to 24 Vdc supply voltage range, and internal circuitry prevents sensor damage in case the supply voltage polarity is accidentally reversed.

NOTE: The integrated circuitry provides excellent temperature stability and accuracy in a robust design. These digital Hall-effect sensor ICs have an operating temperature range of -40 °C to 125 °C [-40 °F to 257 °F], appropriate for commercial, consumer, and industrial environments.

SS50AT Bipolar - Honeywell


Technical Specifications

Series Name SS40A, SS40A-L, SS40A-T2, SS40A-T3, SS50AT
Product Type Hall-effect digital position sensor IC
Magnetic Actuation Type Bipolar
Supply Voltage 4.5 Vdc to 24 Vdc
Output Voltage 0.4 Vdc max.
Supply Current 6.5 mA typ. (25°C, 24 Vdc)
Output Current 20 mA
Leakage Current 10 µA max.
Output Type Sinking
Operating Temperature -40°C to 125°C [-40°F to 257°F]
Storage Temperature -55°C to 165°C [-67°F to 329°F]
Operate Point 170 G min.; 110 G max. (-40°C to 85°C)
Release Point -170 G min. (25°C); -110 G max. (-40°C to 85°C)
Differential 50 G min.
Package Type SOT-89B, pocket tape and reel, 1000 units/reel
Response Time 4 µs typ.
Switching Time Rise (10 % to 90 %) 1.5 µs max.
Switching Time Fall (90 % to 10 %) 1.5 µs max.
Availability Global

Technical Specifications

Series Name SS40A, SS40A-L, SS40A-T2, SS40A-T3, SS50AT
Product Type Hall-effect digital position sensor IC
Magnetic Actuation Type Bipolar
Supply Voltage 4.5 Vdc to 24 Vdc
Output Voltage 0.4 Vdc max.
Supply Current 6.5 mA typ. (25°C, 24 Vdc)
Output Current 20 mA
Leakage Current 10 µA max.
Output Type Sinking
Operating Temperature -40°C to 125°C [-40°F to 257°F]
Storage Temperature -55°C to 165°C [-67°F to 329°F]
Operate Point 170 G min.; 110 G max. (-40°C to 85°C)
Release Point -170 G min. (25°C); -110 G max. (-40°C to 85°C)
Differential 50 G min.
Package Type SOT-89B, pocket tape and reel, 1000 units/reel
Response Time 4 µs typ.
Switching Time Rise (10 % to 90 %) 1.5 µs max.
Switching Time Fall (90 % to 10 %) 1.5 µs max.
Availability Global

Documents

TITLE DOCUMENT TYPE LANGUAGE SIZE
SS30AT/SS40A/SS50AT Bipolar, Hall-Effect Magnetic Sensor ICs Datasheet English 848KB
SS30AT/SS40A/SS50AT Bipolar Hall-Effect Magnetic Sensors Installation Instructions English 710KB
SOT-89B highres photo Photo -- 336KB
SOT-89B lowres photo Photo -- 55KB
Magnetic Sensor IC SOT-89B CAD Model CAD Model -- 175KB
Position Sensors Range Guide Product Range Guide English 3MB
Magnetic Sensors Line Guide Product Line Guide English 377KB
Magnetic Sensor IC Product Line Card Line Card/Selection Chart English 433KB
Magnetic Sensor IC Selection Chart Line Card/Selection Chart English 176KB
Sensors and Switches: Solutions for Medical Applications Flyer English 2MB
Magnetic Position Sensing in Brushless DC Electric Motors Application Note English 510KB

Product Features

  • Miniature construction: SOT-89B plastic package, on tape and reel for automated assembly
  • Power consumption of only 5 mA max at 4.5 Vdc for energy efficiency
  • Digital current sinking output
  • Bipolar magnetics for ring magnet applications
  • High output current capability (20 mA)
  • High speed—Operates from 0 kHz to over 100 kHz
  • Broad temperature range of -40 °C to 125 °C [-40 °F to 257 °F]
  • Built-in reverse polarity protection

Applications

  • Speed and RPM sensor
  • Brushless DC motor commutation
  • Motor and fan control
  • Magnetic encoding
  • Tachometer, counter pickup
  • Disc speed, tape rotation sensing
  • Flow-rate sensing

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