| Parameters | 
                                                                                                            
                                            | Mount | Free Hanging | 
                                                                            
                                            | Package / Case | Probe | 
                                                                            
                                            | Actuator Material | Magnet | 
                                                                            
                                            | Operating Temperature | -40°C~105°C TA | 
                                                                            
                                            | Packaging | Bulk | 
                                                                            
                                            | Published | 2007 | 
                                                                            
                                            | Series | 59021 | 
                                                                            
                                            | Part Status | Active | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                            
                                            | Termination | Wire Leads | 
                                                                            
                                            | Type | Reed Switch | 
                                                                            
                                            | Max Operating Temperature | 105°C | 
                                                                            
                                            | Min Operating Temperature | -40°C | 
                                                                            
                                            | Termination Style | Wire Leads | 
                                                                            
                                            | Output Type | SPST-NO | 
                                                                            
                                            | Throw Configuration | SPST | 
                                                                            
                                            | Must Operate | 6.00mm | 
                                                                            
                                            | RoHS Status | ROHS3 Compliant | 
                                                                            
                                            | Lead Free | Lead Free | 
                                                                                                    
                            
                         
                                                59021-1-S-01-D Overview
Magnetic position sensor modules are packaged in Probe packages. Magnetic position sensors modules can be set to operate at a minimum temperature of -40°C. Sensor modules should be operated at a temperature below 105°C to ensure proper performance. An electronic part is packaged in the Bulk to protect the devices from damage. 
59021-1-S-01-D Features
Package / Case: Probe
59021 Series
Operating Temperature: -40°C~105°C TA
59021-1-S-01-D Applications
There are a lot of Littelfuse Inc. 59021-1-S-01-D Magnetic Position Sensors Modules applications. 
- Localization of ferromagnetic
- Reed switch replacement
- Dyno testing
- Reading of magnetic data storage media
- Mixers
- Shafts in transmissions, hydraulic motors, pumps and gear boxes
- Wiper home/end position sensor
- Anti-lock braking systems
- Rollers
- Brushless DC (direct current) motor commutation