KMY21M Measurement Specialties Inc/Schaevitz, KMY21M Datasheet - Page 6

• Manufacturer Part Number: KMY21M
• Description: SENSOR MAGNETIC 2.5 KA/M SOT-223
• Manufacturer: Measurement Specialties Inc/Schaevitz

Specifications of KMY21M

• Sensor Type: Angular - Magnetoresistive
• Voltage - Supply: 5V
• Operating Temperature: -40°C ~ 150°C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 356-1079-2; G-MRCO-011

KMY/KMZ Linear Magnetic Field Sensors
KMY 21
In contrast to the KMY20 sensor
products, the KMY 21 M consists of a
half bridge, making the sensor well
suited for dynamic measurements.
It contains an internal magnet, which
provides an auxiliary filed of approx.
2.5 kA/m.
TEMPERATURE DEPENDENCIES
KMY/KMZ Rev 2
Figure 6: signal amplitude related to room temperature value
1,4
1,2
1,0
0,8
0,6
0,4
-25
Y
0
Vo,min
Figure 5: Characteristic
B
25
X
curve for KMY21M
Tem perature in ° C
B
Vo(T)/Vo(+25° C)
50
75
Vo,max
100
www.meas-spec.com
-5
125
Auxiliary field: Hx=2.5 kA/m
6/8
-4
Figure 7:
-3
1,8
1,6
1,4
1,2
1,0
0,8
0,6
-25
-2
External Field Hy in kA/m
bridge resistance related to room temperature value
-1
0
-2
-4
-6
Rb,min
6
4
2
0
0
25
Tem perature in ° C
Rb(T)/Rb(+25° C)
1
50
2
75
Rb,max
august_2010
3
100
4
125
5