W2DN-02A Datasheet, PDF (1/6 Pages) Omron Electronics LLC – High sensitivity magnetic sensor making use of the magnetic impedance effect.

W2DN-02A ^Type
Wide area
magnetic sensor
 Features
 High sensitivity magnetic sensor making use of the magnetic impedance effect.
 The usability has been remarkably improved by reducing the variation in the
detection performance.
 Type code standard
Type W2DN - 02 A
(1) Represents a wide area magnetic sensor
(1) (2) (3)
(2) Represents a series name
 Specifications
(3) Represents a sensitivity rank
Item
Rating / performance
Type (sensitivity rank)
W2DN-02A
Detection range: Rx, Ry (*1)
max.
typ.
155 mm
145 mm
min.
135 mm
Standard magnet
Exterior dimensions of the magnet: 20 x 20 x 10 mm
Surface magnetic flux density: 430 mT (millitesla)
Direction of magnetization: direction of thickness
Power voltage
5 DCV −10% to 12 DCV +10%
Power consumption
20 mA or less
Output states
Open collector output
Maximum output current 20 mA or less, output voltage 16 VDC or less
Output residual voltage
0.5 V or less
Output operation states
When detected:
output transistor OFF
When not detected: output transistor ON
When faulty (*2): output transistor held OFF
Response time
0.8 s or less
Start-up time after powering on (*3) 1.5 s or less
Ambient temperature (*4)
When in operation: -10 to 60 deg C (must be free from freezing or condensation)
When stored:
-20 to 70 deg C (must be free from freezing or condensation)
Ambient humidity
25 to 85 %RH
*1. The detection range is specified based on the mounting conditions as shown below. (The datum point of the standard magnet is the
center of the magnet.)
The specifications are given by Rx and Ry, with Rxy shown for information purpose only.
Detection range
Magnet
Direction of
attraction
Figure 1 Detection range: R
Figure 2 Mounting conditions
*2. The product has a function to automatically adjust the detection range when the sensor is powering up. This item represents the case of
failure to properly conduct the automatic adjustment due to the effects of magnetism in the vicinity of the sensor.
*3. It shows the period of time from the powering ON of the sensor to the correct output of the detected state.
*4. The ambient temperature (when in operation) indicates the temperature range in which the automatic adjustment of the detection range
can be properly performed.
1