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MRS-H-21
MRS-137A
MRS-133L1
MRS-134
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Products introduction

MR Sensor
MRS-137A

Sample(s) can be ordered here.

Sample Price (Japanese yen)

1p/lot

500p/lot

1000p/lot

4,000

2,200

2,000

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MRS-137 Distinction of the printed matter which magnetic ink was used for
Detection of the rotation of the magnetic body and the position
This sensor is made from InSb magnetic resistance. That resistance value changes by the magnetic field and the permanent magnet which gives this sensor magnetic bias. When a magnetic substance approaches the detection side, an output signal can be received because the magnetic flux density which affects the magnetic resistance changes and the resistance value of this senser is changed. And, this is the model which hardly suffers the influence of the position precision of the carriage.

Feature

A magnetic resistance element is an InSb mono-crystal. That sensitivity and the ratio of S/N are high.
It can be detected even if detected material doesn't stick to the detection side
Output doesn't depend on the movement speed of the magnetic body, and it can detect a stationary body.
A detection part is pure resistance, and hardly catches guidance noise.
Magnetic data can be detected in the wider range (width 9mm).


Absolute Maximum Rating (Ta=25C)


Item

Symbol

Standard Value

Unit

Excitation,Maximum

Vamax

5.5

V

Withstand Voltage

VI

100

V

Allowable Loss

PD

44

mW

Operation Environmental Temperature

Topg

-30 ~ +85

Preserved Environmental Temperature

Tstg

-30 ~ +85


Electrical Property (Ta=25C)


Item

Symbol

Condition

min.

Typ.

Max.

Unit

Output voltage

VOUT

Va=5V *1

0.16

 

0.42

mVrms

Resistance balance

d

I=1mA *2

 

 

30

%

Input resistance

R

I=1mA

800

3500

Ω

Voltage Noise

VNW

Va=5V

 

 

50

μVP-P

Piezo Noise

VNP

Va=5V押圧10g

 

 

300

μVP-P

Magnetic Flux Density

B

 

 

0.11
(S Pole)

 

T

Detection Width

W

 

 

9

 

mm


*1 Input uses the magnetic flux which occurs when it is charged with current of 50Hz, 100mA(rms) in the line of φ 0.1mm.
*2 d =|MR1-MR2|/MR1(or MR2)*100


Internal Circuit Figure



Contour Measure Figure




# The product specifications and the appearance are possibility of changing without notice.

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