KMC05 ETC2 [List of Unclassifed Manufacturers], KMC05 Datasheet
KMC05
Manufacturer Part Number
KMC05
Description
Magnetic Field Sensors Current Sensor
Manufacturer
ETC2 [List of Unclassifed Manufacturers]
Datasheet
1.KMC05.pdf
(2 pages)
Magnetic Field Sensors
Current Sensor KMC 05
Function principle
Magnetoresistive materials can change their resistivity in an external magnetic field. The
variation of the resistivity is determined by the rotation of magnetisation with respect to the
direction
of
the
current
flow.
Permalloy
(Ni
Fe
) is commercially used as
81
19
magnetoresistive material. The relative change of resistivity is 2-3 % for this material. The
high sensitive and small size sensor consists of a silicon chip coated with thin film
permalloy stripes. These stripes form a Wheatstone bridge, whose output voltage
depends on the magnetic field.
Characteristic
The sensor chip measures the magnetic field generated by an internal current-carrying
conductor. The current sensor has an integrated permanent magnet. No external auxiliary
field H
is required. A direct or alternating current I
up to 5 A can be detected.
x
M
Package: mod. SM-8
Sensors in thin film technology
HL-Planartechnik GmbH
Hauert 13, D - 44 227 Dortmund, Tel.: +49 (0) 231/97400, Fax.: +49 (0) 231/974020
Internet:
http://www.hlplanar.com
E-Mail: service@hlplanar.de
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KMC05 Summary of contents
Page 1
Function principle Magnetoresistive materials can change their resistivity in an external magnetic field. The variation of the resistivity is determined by the rotation of magnetisation with respect to the direction of the current magnetoresistive material. The relative change of resistivity ...
Page 2
Technical data Absolute maximum ratings Parameter Supply voltage Measurable current Operating temperature range Storage temperature range Electrical characteristics ( T Parameter Bridge resistance Offset voltage Open circuit sensitivity Resitance of the conductor Operating frequency Temperature coefficient of open circuit sensitivity ...