55140 Series - Flange Mount Hall Effect Sensor
DataSheet:Littelfuse Hall Effect Sensors 55140 datasheet
A small flange mount Hall effect sensor occupying only 3.22cm2 (0.500in2) board space with a choice of digital or programmable analog outputs. Available in 3-wire (voltage output) or 2-wire (current output) versions. Its case design enables screw or adhesive mounting. Capable of switching up to 28Vdc and 20mA. Available with a range of sensitivity, cable length and connector options. Ideally suited for position and limit sensing, rotation and flow measurement, commutation of brushless DC motors, angular sensing and magnetic encoding.
Features:
- Magnetically-operated position sensor
- Digital or programmable analog types available
- Medium, high or programmable sensitivity options available
- Three-wire (voltage output) or two-wire (current output) versions available
- Vibration 50g max. @ 50 to 2,000Hz
- Shock 150g max. @ 11ms 1/2 sine wave
- EMC compliance to DIN 40839 (consult Littelfuse)
- Integral reverse/over-voltage protection
- Built-in temperature compensation
Benefits:
- High switching speed up to 10kHz
- Long life, up to 20 billion operations
- Unaffected by harsh environments
- Operates in static or dynamic magnetic field
- Available with a selection of cable length and connector options
Applications:
- Position and limit switching
- RPM measurement
- Flow metering
- Commutation of brushless DC motors
- Angle sensing
- Magnetic encoders
Ordering Information
| Catalog # | Supply Voltage (V DC) | Output Type | Output High | Output Low | Magnetic Sensitivity (Gauss) | Nominal Activate Distance (mm) | Min Operating Temp °C | Max Operating Temp °C |
|---|---|---|---|---|---|---|---|---|
| 55140-2H | 3.75 to 24 | Current | 2.2 to 5.6 mA | 57 | 18.5 | -40 | 100 | |
| 55140-2M | 3.75 to 24 | Current | 2.2 to 5.6 mA | 120 | 13.5 | -40 | 100 | |
| 55140-3H | 3.8 to 24 | Voltage | Sinking/Open Collector | 0.4V @ 20 mA | 59 | 18 | -40 | 100 |
| 55140-3M | 3.8 to 24 | Voltage | Sinking/Open Collector | 0.4V @ 20 mA | 130 | 12.5 | -40 | 100 |
| 55140-AP | 4.5 to 5.5 | Analog Voltage | 4.65 V | 0.35 V | Programmable | Consult Littelfuse | -40 | 100 |
