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Part Number: HKZ121
Description: The Hall-effect vane switch HKZ 121 is a contactless switch consisting of a monolithic integrated Hall-effect circuit a...
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HKZ121
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DataSheet
General Description
HKZ121 General Description
The Hall-effect vane switch HKZ 121 is a contactless switch consisting of a monolithic integrated Hall-effect circuit and a special magnetic circuit hermetically sealed in a plastic package. The switch is actuated by a soft-iron vane which is passed through the air gap between magnet and Hall sensor.
The main application field is in cars, i.e. as a breakerless trigger in electronic ignition systems. Numerous industrial applications can be found in control engineering, especially in those areas where switches must operate maintenance-free under harsh environmental conditions (e.g. rpm sensor, limit switch, position sensor, speed measurement, shaft encoder, scanning of coding disks, etc.).
HKZ121 Maximum Ratings
| Parameter | Symbol | Limit Values | Unit | Test Condition | |
| min. | max. | ||||
| Supply voltage Output voltage in OFF-state |
VS VQ |
1.2 0.8 |
24 30 30 |
V V V |
TA = 25 |
| Inverse supply current (limited externally) Output current Inverse output current |
IS IQ IQ |
200 40 30 |
mA mA mA |
TA 80 t 1 h without vane | |
| Ambient temperature Storage temperature |
TA Tstg |
40 40 |
135 150 |
||
| Thermal resistance system - air |
Rth SA | - | 170 | K/W | |
HKZ121 Features
·Contactless switch with open collector output (40 mA)
·Static switching
·High switching frequency
·Hermetically sealed with plastic
·Unaffected by dirt, light, vibration
·Large temperature and voltage range
·Integrated overvoltage protection
·High interference immunity
·Integrated capacitors for EMI protection
·Static switching
·High switching frequency
·Hermetically sealed with plastic
·Unaffected by dirt, light, vibration
·Large temperature and voltage range
·Integrated overvoltage protection
·High interference immunity
·Integrated capacitors for EMI protection
HKZ121
PDF/DataSheet Download
- Datasheet: HKZ121
- File Size: 145540 KB
- Manufacturer: SIEMENS [Siemens Semiconductor Group]
- Click here to Download
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