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The Honeywell SS361RT / SS461R sensors are small, versatile digital Hall-effect devices that are operated by the magnetic field from a permanent magnet or an electromagnet , designed to respond to alternating North and South poles.

These bipolar latching sensors have enhanced sensitivity which often allows for the use of less expensive magnets .

These Honeywell sensors are available in two package styles, the SS361RT in the miniature SOT-23 surface mount package and the SS461R in the leaded, flat TO-92-style package.

The SS361RT 's small size requires less PC board space, allowing it to be used in smaller assemblies. Its 3 V capability allows for use in low voltage applications, promoting energy efficiency.

The SS361RT is available on tape and reel; the SS461R is available in a bulk package (1000 units per bag).

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• Enhanced sensitivity
• Miniature package size
• Low voltage: 3V operation
• Built-in reverse voltage protection
• Robust Design: will operate up to 150ºC (302ºF)

• Transportation
• Speed and RPM sensing
• Tachometer, counter pickup
• Motor and fan control
• Electric window lift
• Convertible roof position
• Automotive transmission position

• Industrial
• Speed and RPM sensing
• Tachometer, counter pickup
• Flow-rate sensing
• Brushless dc motor commutation
• Motor and fan control
• Robotics control
• Medical
• Motor assemblies
• Medication dispense control

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The Honeywell SS30AT / SS50AT sensors are versatile, bipolar, Hall - effect sensors . These sensitive magnetic sensors offer reverse polarity protection and deliver stable output over a 40ºC to 125ºC (-40ºF to257ºF) temperature range. Operation from any dc supply voltage from 4.5Vdc to 24.0 Vdc is acceptable.

The SS30AT / SS50AT Series sensors build upon Honeywell 's popular magnetic position sensors and offer several advantages. These sensors have been designed with the latest technologies to provide reliable, cost-effective solutions to many commercial, computer, medical, and/or consumer applications requiring motor control and RPM sensing.

These products are available in three package types to suit a variety of applications. The SS30AT in the subminiature SOT-23 surface-mount package, and the SS50AT in the small SOT-89B surface-mount package, and Honeywell has supplied both on tape and reel for use in automated pick-and-place equipment.

The surface mount versions are mounted directly on the electrical traces on a printed circuit board (PCB). They are attached by an automatic solder reflow operation which requires no hole, so it may help reduce the cost of the PCB.

• Subminiature package size ( SS30AT ) often allows for use in applications with tight PCB space where a compact design is needed
• Sensitive bipolar magnetics respond to alternating north and south poles, often making these products well-suited for speed sensing and RPM measurement
• Robust design with built-in reverse voltage protection simplifies installation and protects device from damage when mounted on PCB
• Thermally balanced integrated circuit provides for stable operation over a full temperature range
• RoHS-compliant materials meet Directive 2002/95/EC

• Transportation:
• Speed and RPM sensing
• Tachometer, counter pick-up
• Motor and fan control
• Electric vehicle control
• Convertible roof position
• Industrial:
• Speed and RPM sensing
• Tachometer, counter pickup
• Flow-rate sensing
• Brushless DC motor commutation
• Motor and fan control
• Robotics control

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The HoneywellSS340RT Series and SS440R Series sensors are small, versatile digital Hall-effect devices that are operated by the magnetic field from a permanent magnet or an electromagnet . They are designed to respond to a single pole: North ( SS340RT Series) or South ( SS440R Series).

These unipolar sensors are supplied in three different magnetic sensitivities to meet a wide range of potential applications. The SS341RT and SS441R offer the highest sensitivity, with a typical operating point of 85 G at 25 °C [77 °F]; the SS343RT and SS443R offer medium sensitivity with 125 G typical at 25 °C [77 °F]; the SS349RT and SS449R offer the lowest sensitivity, requiring 350 G typical to operate at 25 °C [77 °F].

These Honeywell sensors are available in two package styles. The SS340RT Series is available in the miniature SOT-23 surface mount package; the SS440R is available in the leaded, flat TO-92-style package. The SS340RT's small size requires less PC board space, allowing it to be used in smaller assemblies. Its 3 V capability allows for use in low voltage applications, promoting energy efficiency.

The SS340RT Series is available on tape and reel (3000 units per reel); the SS440R Series is available in a bulk package (1000 units per bag).

• Subminiature package size ( SS340RT ) supplied on tape and reel allows for a compact design with automated component placement, helping to reduce manufacturing cost
• Simple activation from a single pole and multiple magnetic sensitivities (high, medium and low) make this product suitable in a variety of potential motion control, lid closure detection, and displacement sensing applications
• Low voltage 3 V capability helps reduce power consumption
• Built-in reverse polarity protection protects the device from potential damage during installation
• Thermally balanced integrated circuit provides for stable operation over a wide temperature range, from -40 °C to150°C [-40 °F to 302 °F]
• RoHS-compliant materials meet Directive 2002/95/EC

• Door or lid closure detection
• Speed and RPM (revolutions per minute) sensing in fitness equipment
• Flow rate sensing in industrial processes, appliances, or water softeners
• Damper or valve position control in industrial, HVAC or residential or commercial applications
• Robotic control (cylinder position monitoring)
• Float-based fluid level sensing
• Displacement sensor in hospital beds or medical equipment
• Medication bin monitor on portable drug carts
  
• Printer head position sensing

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Honeywell has expanded its Hall-effect sensor portfolio with the new SS311PT and SS411P Bipolar Hall-Effect Digital Position Sensors with Pull-Up Resistor . These devices differ from Honeywell 's existing digital Hall-effect sensors in that the SS311PT and SS411P have a built-in pull-up resistor and a low 2.7 Vdc voltage capability—the lowest rating in Honeywell 's digital portfolio. Additionally, these products join the recently introduced SS30AT, SS361RT, SS461R, SS340RT, and SS440R Series digital Hall-effect sensors that consist of a downsized integrated circuit, resulting in lower costs for customers.

These cost-effective Honeywellbipolar sensors are designed to operate in simple, high-volume, cost-sensitive, rotary sensing applications. They are small, versatile digital Hall-effect devices that are operated by the magnetic field from a permanent magnet or an electromagnet, designed to respond to alternating North and South poles.

These bipolar sensors have enhanced sensitivity which allows for the use of smaller, often less expensive magnets. The internal pull-up resistor often eliminates the need for external components, further helping to reduce system cost. These economical bipolar sensors are suited for many simple, high volume, cost-sensitive, rotary sensing applications.

The 2.7 Vdc to 7 Vdc supply voltage range allows this device to be used in low voltage applications. The S311PT 's very small size requires less PCB (printed circuit board) space, allowing it to be used in smaller assemblies.

These sensors are available in two package styles: the SS311PT in the subminiature SOT-23 surface mount package and the SS411P in the leaded, flat TO-92-style package.

• Subminiature, SOT-23 surface mount package (SS311PT) supplied on tape and reel allows for a compact design with automated component placement, helping to reduce manufacturing costs
• Small, leaded, flat TO-92 package (SS411P) often allows for more space on the PCB
• Sensitive, bipolar magnetics respond to alternating North and South poles, making these products suited for speed sensing and RPM measurement
• Built-in pull-up resistor can easily interface with common electronic circuits without adding external components, helping to reduce total system cost
• RoHS-compliant materials meet Directive 002/95/EC
  

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Honeywell has expanded its Hall-effect sensor portfolio with the new SS351AT and SS451A Omnipolar Hall-Effect Digital Position Sensors. The SS351AT and SS451A sensors are small, versatile digital Hall-effect devices that are operated by the magnetic field from a permanent magnet or an electromagnet . They are designed to respond to a either a North pole or a South pole.

These omnipolar sensors are sensitive and flexible sensors designed to meet a wide range of potential applications. The SS351AT and SS451A have a typical operating point of 85 G at 25 °C [77 °F]. Because they can be operated by a North pole or a South pole, they do not require the magnet polarity to be identified, thus making the installation easier and potentially reducing the system cost.

These sensors are available in two package styles. The SS351AT is available in the subminiature SOT-23 surface mount package; the SS451A is available in the leaded, flat TO-92-style package. The SS351AT's small size requires less PC board space, allowing it to be used in smaller assemblies. Its 3 Vdc capability allows for use in low voltage applications, promoting energy efficiency.

• Subminiature package size (SS351AT) supplied on tape and reel allows for a compact design with automated component placement, helping to reduce manufacturing costs
  
• Simple activation from a North pole or a South pole and sensitive magnetics make this omnipolar product suitable in a variety of potential motion control, lid closure detection, and displacement sensing applications
  
• Low voltage 3 Vdc capability helps reduce power consumption
  
• Built-in reverse polarity protection protects the device from potential damage during installation
  
• Thermally balanced integrated circuit provides for stable operation over a wide temperature range of -40° to 150 °C [-40 °F to 302 °F]
  
• RoHS-compliant materials meet Directive 2002/95/EC

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Honeywell 's SS345PT / SS445P Hall-Effect position sensors are small, versatile digital devices that are operated by the magnetic field from a permanent magnet or an electromagnet , designed to respond to a single North pole (SS345PT) or South pole (SS445P).

These unipolar sensors are designed to meet the requirements of a wide range of potential applications. The internal pull-up resistor often eliminates the need for external components, further helping to reduce the system cost. These economical unipolar sensors are well suited for simple, high-volume, cost-sensitive position and motion sensing applications.

The 2.7 Vdc to 7 Vdc supply voltage range allows this device to be used in low voltage applications. The SS345PT's very small size requires less PCB (printed circuit board) space, allowing it to be used in smaller assemblies.

These Unipolar sensors are available in two package styles: the SS345PT in the subminiature SOT-23 surface mount package; the SS445P is available in the leaded, flat TO-92-style package.

• Subminiature package size (SS345PT) uses less space on the PCB than standard Hall-effect sensor packages such as TO-92 or SOT-89, allowing for use in smaller assemblies
• Tape and reel packaging (SS345PT) allows for automated component placement, helping to reduce manufacturing costs
  
• Small, flat TO-92-style package (SS445P) is also available
• Simple activation from a North pole (SS345PT) or a South pole (SS445P) makes these products suitable in a variety of potential applications such as motion control, lid closure detection, and displacement sensing
  
• Built-in pull-up resistor can easily interface with common electronic circuits without adding external components, helping to reduce total system cost
  
• RoHS-compliant materials meet Directive 2002/95/EC

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The Honeywell Bipolar Latching Hall-Effect Digital Position Sensor IC s are small, versatile, highly sensitive , versatile digital Hall-effect sensors that are operated by the magnetic field from a permanent magnet or an electromagnet . They are designed to respond to alternating North and South poles. These Honeywell Bipolar Latching Hall-Effect Digital Position Sensor IC s have enhanced sensitivity which often allows for the use of less expensive magnets. They offer reverse polarity protection and deliver a stable output over a -40°C to125°C [-40°F to 257°F] temperature range. Operation from any DC supplyvoltage from 4 VDC to 24VDC is acceptable. Available as subminiatureSOT-23 surface mount (SS361CT) or leaded flat TO-92 style (SS461C).

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