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Magnetic Tunnelling Magnetoresistive (TMR) Gear Speed Sensors

TMR-Gear-Speed-Sensors-can-be-used-for-gear-tooth-motion TMR Gear Speed (Tooth) Sensors, designed & manufactured with unique technology, feature very high sensitivity for small-pitch gear tooth detection, high-amplitude output signals that are resistant to mag. field interference, large air-gap tolerance & low power. They offer very high resolution for detecting small changes in mag. field by gear teeth, magnetic strips, linear magnetic scales & other ferrous materials.
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Features
High Saturation Point Allowing Operation under Large DC Magnetic Field, DC (Zero-Speed) Operation

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TMR4001

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TMR4003  

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TMR4004  

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TMR4005

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TMR4005  
Single / Double Full Single Full
Single Full
Single Full
Double Full
Double Full
Supply Voltage (V) 0~7
0~7
0~7
0~7
0~7
TMR Element Spacing (mm) 0.25
0.5
0.75
0.5
1
Gear Tooth Pitch Range optimal pitch at 0.5mm
optimal pitch at 1.0mm
optimal pitch at 1.5mm
optimal pitch at 1.0mm
optimal pitch at 2.0mm
Resistance KΩ 15
15
15
7.5
7.5
Saturation Field (Oe) ±70
±70
±70
±70
±70
Sensing Direction X-axis
X-axis
X-axis
X-axis
X-axis
Form Factor LGA6L(3x3x0.9)
LGA6L(3x3x0.9)
LGA6L(3x3x0.9)
LGA6L(3x3x0.9)
LGA6L(3x3x0.9)

Features
High Sensitivity to Magnetic Field Gradient, Capable of Small-Pitch Gear Tooth Detection

Part No.

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TMR4006

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TMR4007

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TMR4007  

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TMR4008

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TMR4008  

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TMR4009

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TMR4009  

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TMR4011

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TMR4011  
Single / Double Full Double Full
Double Full
Dual
Dual
Dual
Supply Voltage (V) 0~7
0~7
0~7
0~7
0~7
TMR Element Spacing (mm) 2
3
4
5
0.4
Gear Tooth Pitch Range optimal pitch at 4.0mm
optimal pitch at 6.0mm
optimal pitch at 8.0mm
optimal pitch at 10.0mm
optimal pitch at 0.8mm
Resistance KΩ 7.5
7.5
7.5
7.5
7.5
Saturation Field (Oe) ±70
±70
±70
±70
±70
Sensing Direction X-axis
X-axis
X-axis
X-axis
X-axis
Form Factor LGA6L(3x6x0.9)
LGA6L(3x6x0.9)
LGA6L(3x6x0.9)
LGA6L(3x8x0.9)
LGA6L(3x3x0.9)

Features
High Sensitivity to Magnetic Field Gradient, Capable of Small-Pitch Gear Tooth Detect

Part No.

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TMR4012

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TMR4013  

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TMR4014

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TMR4014  

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TMR4015

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TMR4015  

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TMR4016

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TMR4016  
Single / Double Full Dual
Dual
Dual
Dual
Dual
Supply Voltage (V) 0~7
0~7
0~7
0~7
0~7
TMR Element Spacing (mm) 0.6
0.8
1
1.2
1.4
Gear Tooth Pitch Range optimal pitch at 1.2mm
optimal pitch at 1.6mm
optimal pitch at 2mm
optimal pitch at 2.4mm
optimal pitch at 2.8mm
Resistance KΩ 7.5
7.5
7.5
7.5
7.5
Saturation Field (Oe) ±70
±70
±70
±70
±70
Sensing Direction X-axis
X-axis
X-axis
X-axis
X-axis
Form Factor LGA6L(3x3x0.9)
LGA6L(3x3x0.9)
LGA6L(3x6x0.9)
LGA6L(3x6x0.9)
LGA6L(3x6x0.9)

Features
High Saturation Point Allowing Operation under Large DC Magnetic Field, DC (Zero-Speed) Operation
 
 
 

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TMR4017

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TMR4017

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TMR4018

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TMR4018  
Single / Double Full Dual
Dual
Supply Voltage (V) 0~7
0~7
TMR Element Spacing (mm) 1.6
1.8
Gear Tooth Pitch Range optimal pitch at 3.2mm
optimal pitch at 3.6mm
Resistance KΩ 7.5
7.5
Saturation Field (Oe) ±70
±70
Sensing Direction X-axis
X-axis
Form Factor LGA6L(3x6x0.9)
LGA6L(3x6x0.9)

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