59021 Series - Aluminum Miniature Firecracker Reed Sensor
DataSheet:Littelfuse Reed Sensors 59021 datasheet
A miniature, cylindrical reed sensor with a robust aluminum body 15.24mm x 5.10mm (0.600" x 0.201") with a normally open contact. Capable of switching up to 170Vdc at 10W. Available with a range of sensitivity, cable length and connector options. Well suited for position and limit sensing, security, level sensing and linear actuator applications. Functions best with the 57020 actuator.
Note: The 57020 actuator is sold separately.
Features:
- Magnetically-operated proximity sensor with aluminum body
- Operates through non-ferrous materials such as wood, plastic or aluminum
- Hermetically sealed contacts
- Options of normally open, normally closed or single-pole-double-throw
- Customer-defined sensitivity
- Custom cable length and connector options available
Benefits:
- Fits nicely into small, confined spaces
- Quick and easy to install
- Well suited for usage in high-moisture and contaminated environments
- Non-contact solution, aesthetically more appealing than push-button or lever mechanical-type switches
- Ideal for battery-powered applications as the contacts do not draw power when in the non-activated state
- Reed contacts last for millions of operating cycles under micro-controller voltage and current logic-level loads
Applications:
- Position and limit switching
- Security
- Level sensing
- Linear actuators
Ordering Information
| Catalog # | Switching Power (W) | Switching Voltage (V DC) | Switching Current (A DC) | Switching Voltage (V AC) | Switching Current (A AC) | Breakdown Voltage (V DC) | Max Contact Resistance (Ω) | Magnetic Sensitivity (AT) | Nominal Activate Distance (mm) | Switch Type |
|---|---|---|---|---|---|---|---|---|---|---|
| 59021-1-S | 10 | 170 | 0.25 | 120 | 0.18 | 175 | 0.25 | 6 to 10 | 6 | A:SPST-NO |
| 59021-1-T | 10 | 170 | 0.25 | 120 | 0.18 | 175 | 0.25 | 10 to 15 | 4.5 | A:SPST-NO |
