Nanjing AH Electronic Science & Technology Co., Ltd.

Hall Effect Sensor, Hall IC, Hall Switch manufacturer / supplier in China, offering Bipolar Intergrated Circuit, Hall Effect IC, Sensor, Hall Effect Sensor, Speed Sensor, BLDC Motor Sensor,, Hall Effect Sensor (AH3142) , Hall Effect Switch, Hall IC, Auto Door Detection, Magnetic Sensor,, Zero Power Magnetic Sensors (WG311) , Level Sensor, Water Meter Sensor, Energy Meter Sensor and so on.

Supplier Homepage Product List Bipolar Bipolar Intergrated Circuit, Hall Effect IC, Sensor, Hall Effect Sensor, Speed Sensor, BLDC Motor Sensor,

Bipolar Intergrated Circuit, Hall Effect IC, Sensor, Hall Effect Sensor, Speed Sensor, BLDC Motor Sensor,

FOB Price: Get Latest Price
Min. Order: 500 Pieces
Production Capacity: 100, 000, 000PCS/Year
Transport Package: Carton
Payment Terms: T/T, Paypal

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Basic Info.

Model NO.:AH3021
Mathematical Model:Non-Linear
Certification:RoHS, ISO: 9001, SGS
Specification:ISO9001, REACH, ROHS
HS Code:8542310000

Product Description

AH3021 (2) is a bipolar high sensitivity Hall effect magnetic sensor which is made by BiCMOS technology (Hall effect digital intergrated circuit. It includes voltage regulators, Hall voltage generator, signal amplifier, Schmitt trigger , temperature compensation circuit, and open collector output driver circuit etc. It's suitable for working in unipolar and multipole magnetic field, and it's extensively used in all kinds of electromechanical integration fields.
  Function Description
When a "S" pole or "N" pole magnetic field is approaching to the front of the circuit, the output level of the circuit changes from high to low or from low to high, if the field is far from the circuit, the output status maintains constant, only when "N" pole or "S" pole (opposite with the pole of the initial magnetic field) field is approaching again, the output status of the circuit jumps back to original status. It means a complete circle of the circuit's operation needs a pair of magnetic field. 
Product Characteristic           Typical Application
Wide operating voltage range                       Contactless switch           
High sensitivity                                Position induction
Convenient Output interface                        Encode control
Wide operation temperature range                     Rotation counting
Contactless operation, high reliability                  Speed measurement                              
    Application field
BLDC motor, Automotive electronics, Numerical control machine, Computer, Smart Electric meter, Electronic water meter, Heat meter, flow meter, electrical bicycle, Servo motor, Air conditioner, variety of small home appliance, Computerized embroidery machine, and some other electromechanical integration fields.  
  Electrical Characteristic
Limit parameter
Supply VoltageVCC28V
Magnetic StrengthBUnlimitedmT
 Output Reverse Breakdown VoltageVce60V
Output Low Level CurrentIOL50mA
Ordinary Environment Temp. TAE-20~85ºC
Wide Environment Temp. TAL-40-150ºC
Srorage Temp. TsTS-55-170ºC
Note 1:
 When the sensor is used, all the above specified parameter range can't be exceeded, and it can't be used for a long time when the parameter is approached.
  Before the user is using the product, please detailed know the product's characteristic and attention, or to install and operated after guided by professional persons, to ensure the products' reliable operation in long term.
  In order to avoid mechanical stress affect the circuit internal chip, the part which is 1mm to the foot of the pin can't be bended, and the foot of the pins should be fixed when the other part are bended or shaped.
Electrical characteristics              TA=25ºC
SymbolTest ConditionParts No. and ValueUnit
Power SupplyVCC
Output low level voltageVOLIout=25mA B>BOP--200400mV
Output high level voltageIOHVout=24V B<BRP--0.110μA
Supply currentICCVCC= Output open circuit---10mA
Output rise timetrRL=820Ω CL=20PF--
Output fall timetfRL=820Ω CL=20PF-
Magnetic characteristic
Parts No.SymbolNote ValueHysteresis
AH3021Bop Bipolar, High sensitivity, Outline:TO-92S SOT-23-3L


AH3022BopBipolar,high sensitivtity, output with pull-up resistor (8K-12K)
Outline:TO-92S SOT-23-3L


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Nanjing AH Electronic Science & Technology Co., Ltd.

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