Hall Effect Sensor SS41F TO-92 Hall Element Sensor Motor 3 Pins for Arduino – KSH 60 at HIMA TRONICS Mombasa – Top quality sensors. Best electronics in Kenya. Shop now for Arduino, ESP32, sensors and IoT devices.
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Hall Effect Sensor SS41F TO-92 Hall Element Sensor Motor 3 Pins for Arduino

SKU: HMJ646 Category: Sensors
KSH 60.00
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Product Description

SS41F Hall Effect Sensor TO92 3Pin Bipolar Magnetic Switch

= Digital Bipolar Magnetic Field Detection Sensor for Arduino =

The SS41F Hall Effect Sensor is a versatile, TO92 packaged digital magnetic switch designed to respond to both north and south magnetic poles . This sensor features an opendrain output that switches low when a sufficiently strong magnetic field is detected, making it an essential component for position sensing, speed measurement, and ring magnet applications .

Wide operating voltage: 4.5V to 24V DC
Output: Opendrain digital output requires pull-up resistor
Features bipolar operation - responds to both north and south poles

= Technical Specifications =

ParameterValue
PackageTO92 (3pin)
Supply Voltage4.5V - 24V DC
Supply Current10mA max
Output TypeOpen-drain digital output
Output Current20mA max
Operating Temp-40°C to +150°C
Output SwitchBipolar (North/South pole sensitive)
PolarityResponds to both North and South poles
Sensing Range15mT Trip, -15mT Release
MountingThrough-hole

= Key Features =

Digital Output - Simple high/low switch for easy microcontroller reading

Bipolar Detection - Responds to both north and south poles, ideal for ring magnet applications

OpenDrain Output Requires pull-up resistor for proper operation

Wide Voltage Range - Works from 4.5V to 24V DC systems

TO92 Package Standard transistor-like package for breadboard and PCB

High Temperature Range - Operates up to 150°C for industrial applications

Robust Design Builtin regulator for stable operation over supply voltage range

Reverse Polarity Protection - Internal circuitry designed to prevent sensor damage from accidental polarity reversal

== Applications ==

  • Brushless DC motor commutation with ring magnets
  • Magnetic proximity detection
  • Motor speed sensing and RPM measurement
  • Door and window position sensing
  • Liquid level sensing
  • Automation limit switches
  • Arduino and robotics projects
  • Security systems
  • Conveyor belt monitoring
  • Tachometers and counters

= Pin Configuration (TO-92) =

PinFunctionDescription
1VCC (Power)Connect to 4.5-24V DC
2OUT (Signal)Open-drain output
3GNDGround connection
Device marking: 41F on flat face
Pinout: Facing the flat side, left to right: 1. VCC, 2. OUT, 3. GND

= Wiring Guide =

SS41F PinArduino PinDescription
VCC (Pin 1)5VConnect to 5V (or 3.3V)
GND (Pin 3)GNDCommon ground
OUT (Pin 2)Digital PinWith 10K pull-up resistor
Always use a pullup resistor (4.7K10KΩ) between VCC and OUT
Without pull-up resistor, output signal will be unreliable
Do not connect OUT directly to VCC or GND

= How It Works =

The SS41F is a bipolar sensor, meaning it responds to both north and south magnetic poles with hysteresis :

1. No MagnetOutput is HIGH (due to pull-up resistor)
2. South Pole Detected (B > BOP)Output switches to LOW (GND)
3. North Pole Detected (B < BRP)Output switches to HIGH
The sensor is a bipolar switch - operates with alternating north and south poles
BOP = Operating Point (magnet turnon), BRP = Release Point (magnet turnoff)

= Output Characteristics =

ConditionOutput StateMagnetic Field
South Pole Present (B > BOP)LOW (0V)Sensor triggered
North Pole Present (B < BRP)HIGHSensor released
Output is opendrain only pulls to ground
Pull-up resistor is required to get HIGH state
Maximum output current: 20mA sink

= Why Choose SS41F? =

Bipolar detection for ring magnet and motor commutation applications
Wide 4.5V-24V supply voltage range
High temperature operation up to 150°C
Industrystandard TO92 package
Open-drain output for interface flexibility
Built-in reverse polarity protection

√ Compatible with 3.3V and 5V systems

√ Works with Arduino, ESP32, and PIC

√ Simple interface requires only 3 wires

√ Robust and reliable design

√ Operates in harsh environments

√ Perfect for brushless motor applications

= Safety Precautions =

Do not exceed 24V supply voltage
Ensure correct polarity
Use pull-up resistor for proper operation
Keep away from strong magnetic interference
Protect from ESD when handling
Sensor is robust with built-in protection but handle with care
Mount sensor away from ferrous materials for best results

= What's Included =

  1. SS41F Hall Effect Sensor (TO-92 Package)

The SS41F Hall Effect Sensor delivers reliable bipolar magnetic detection for your Arduino and automation projects. With its ability to detect both north and south poles, wide voltage range, and high temperature operation, it's the ideal choice for brushless motor commutation, ring magnet sensing, and position detection applications.

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