SS520 Series dual Hall-effect digital position sensor IC with speed and direction outputs, SOT-89B, 1000 units/pocket tape and reel
The VF526DT Bipolar Latch, Dual Hall-effect Digital Position Sensor has two distinct Hall sensing elements precisely located
1,4 mm [0.055 in] apart on a single integrated circuit chip. The elements are encapsulated in a thermoset molding material.
The two active Hall latches provide speed and direction indication of a magnetic gradient (such as a rotating ring magnet)
across the face of the package.
The miniature, 4-pin SOT-89B package surface mounts on PC (Printed Circuit) boards and flexible circuits.
The VF526DT’s built-in temperature compensation is designed to match the temperature coefficient of low-cost magnets,
allowing for a reliable, yet cost-effective, sensor-magnet combination.
A unique, regulator circuit provides extremely stable operation with supply voltages from 3.4 Vdc to 24 Vdc. It can directly
interface with many electronic components without buffering or compensation circuitry.

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. The SS50AT Series Low-Cost Bipolar Hall-Effect sensors are small, versatile digital Hall-effect devices that are operated by the magnetic field from a permanent magnet or an electromagnet. The open-collector sinking output voltage is easily interfaced with a wide variety of electronic circuits.

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

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Produkt Merkmale


  • Miniature construction: SOT-89B plastic package, on tape and reel for automated assembly
  • Power comsumption 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


  • 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

Technische Daten

Series Name
Product Type
Hall-effect digital position sensor IC
Magnetic Actuation Type
Supply Voltage
3.4 Vdc to 24 Vdc
Output Voltage
0.4 Vdc max.
Supply Current
14 mA
Output Current
5 mA max. per output
Leakage Current
10 µA max.
Output Type
Operating Temperature
-40°C to 150°C [-40°F to 302°F]
Storage Temperature
-40°C to 165°C [-40°F to 329°F]
Operate Point
130 G typ.
Release Point
-130 G typ. (25°C)
260 G typ.
Package Type
SOT-89B, pocket tape and reel, 1000 units/reel
Switching Time Rise (10 % to 90 %)
1.5 µs max.
Switching Time Fall (90 % to 10 %)
1.5 µs max.
Operating Frequency
0 Hz min. to 10000 Hz max.

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