BS05C Datasheet, PDF (2/10 Pages) Murata Manufacturing Co., Ltd. – Magnetic Pattern Recognition Sensors

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S31E4.pdf 04.8.30
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BS05T Series
s Features
1. High sensitivity and excellent gap characteristics
2. Output voltage is independent of scanning speed.
3. Compact size and light weight make them ideal for
downsizing.
4. Higher in cost performance
5. Superior noise immunity against induced noise
originating from motors and transformers.
s Applications
1. Bank note validator
2. Magnetic ink document reader
Part Number
BS05T1HGNA
Supply
Voltage
(V)
5
Total
Resistance
(k ohm)
1 to 6
Output
Voltage
(mVrms)
200 to 400
BS05T Series
Sensing direction
0.7
3–ø0.6
r
e
11.0
+0
-0.2
7.5
45°
A
MR1
MR2
w
q
0.1
rF·G
wVin
MR1
qVout
MR2
eGND
0.75
Metal Cover
MR element
NOTES :
3.0 4.4±0.5
Space between pins is
specified on plane A.
General tolerance : 0.2 (in mm)
Test Method
Test Method B
Detection
Width
(mm)
Resolution
Operating
Temperature Range
(mm)
(°C)
3
0.75
-20 to 60
s Test Method A
1. Amplifier's gain is set to 1,100 at the frequency of 60 Hz.
Fig. 1 shows the detail of amplifier.
2. DUT is set in the test fixture as shown in Fig. 2.
3. AC current of 100mArms is applied to the copper wire.
4. Amplifier's output voltage is read with DMM while DUT is
slowly moved along the guide rail.
DUT
10µF
+
-
2
7805
47µF
+
-
0.1µF
1
10µF
+-
1kΩ
-
+
3
4
GAIN=1,100
+15V±5%
1.5MΩ
22pF
OUTPUT
0.1µF
V~
GND
-15V±5%
Fig. 1 Amplifier for Output Voltage Measurement
100mArms 60Hz
1
2
4 DUT
3
Guide Rail
DUT
Mylar Film 25mm thick
Acrylic Board
Copper Wire #2UEW 0.1mm dia.
Fig. 2 Test Fixture for Output Voltage Measurement
Continued on the following page.
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