| Parameters | 
                                                                                                            
                                            | Package / Case | Rectangular, Wire Leads | 
                                                                            
                                            | Surface Mount | NO | 
                                                                            
                                            | Mounting Feature | FLANGE MOUNT | 
                                                                            
                                            | Actuator Material | Magnet, South Pole | 
                                                                            
                                            | Operating Temperature | -40°C~100°C TA | 
                                                                            
                                            | Published | 2015 | 
                                                                            
                                            | Series | 55140 | 
                                                                            
                                            | Part Status | Active | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                            
                                            | Termination | Wire Leads | 
                                                                            
                                            | Type | Hall Effect Switch | 
                                                                            
                                            | Subcategory | Other Sensors/Transducers | 
                                                                            
                                            | Technology | CMOS | 
                                                                            
                                            | Voltage - Supply | 3.8V~24V | 
                                                                            
                                            | Reach Compliance Code | unknown | 
                                                                            
                                            | Frequency | 10kHz | 
                                                                            
                                            | Termination Style | Wire Leads with Connector | 
                                                                            
                                            | Body Length or Diameter | 23mm | 
                                                                            
                                            | Body Breadth | 14 mm | 
                                                                            
                                            | Output Type | Digital | 
                                                                            
                                            | Power Supplies | 3.75/24V | 
                                                                            
                                            | Output Current-Max | 20mA | 
                                                                            
                                            | Output Range | 20mA | 
                                                                            
                                            | Body Height | 6mm | 
                                                                            
                                            | RoHS Status | ROHS3 Compliant | 
                                                                                                    
                            
                         
                                                55140-3M-01-E Overview
Rectangular, Wire Leads packages contain magnetic position sensor modules. Normal operation of magnetic position sensors requires a maximum current of 20mA. 
55140-3M-01-E Features
Package / Case: Rectangular, Wire Leads
55140 Series
Operating Temperature: -40°C~100°C TA
Supply Voltage: 3.8V~24V
Frequency: 10kHz
55140-3M-01-E Applications
There are a lot of Littelfuse Inc. 55140-3M-01-E Magnetic Position Sensors Modules applications. 
- Shafts in transmissions, hydraulic motors, pumps and gear boxes
- Speed and RPM (revolutions per minute) sensing
- Tachometer
- Discrimination of ferromagnetic
- RPM measurement
- Speedometers
- Angle sensing
- Security and military applications
- Motor and fan control
- Factory automation