R5B Ultra-miniature Normally Closed SMD Reed Sensor
 |
 |
 |
Click thumbnails to view actuation distances
Highlights
♦ Normally Closed form B contact ♦ 5.0W Contact Rating ♦ Does not require power for operation ♦ Sputtered Ruthenium contact ♦ Polarity Sensitive ♦ Two types of lead configurations ♦ Three magnetic sensitivity bands ♦ Molded with internal blades parallel to SMD feet ♦ Packed in tape and reels conforming to IEC-60286-3 norms ♦ RoHS Compliant and Lead-free ♦ Not Sensitive to ESD ♦
Description
These ultra miniature normally closed SMD reed sensors are built with an biasing magnet. As they are molded with pre-flattened leads, no shock is transferred into the device when SMD formation takes place. Various activating distances are available depending on the magnet and the AT band used. The sensors are tested 100% for Operate AT, Release AT, Contact Resistance and Variable Contact Resistance before packing. Opposing poles of magnet and sensor cause this normally closed sensor contact to release. Like poles do not cause a release. Choosing the right AT band, magnet strength, and operating axis, will restrict the number of operates and releases to one.
Specifications
| Contact Form | B | |
| Contact Rating (max) | W/VA | 5.0 |
| Switching Current (max) | A | 0.35 |
| Carry Current (max) | A | 0.5 |
| DC Switching Voltage (max) | VDC | 100 |
| Breakdown Voltage (min) | VDC | 150 |
| Contact Resistance (max) | mΩ | 200 |
| Operating Temperature | °C | -40 to +140 |
| Shock Resistance (½Sin wave for 11ms) | G | 30 |
| Vibration Resistance (10-2000Hz) | G | 20 |
Ordering Code
R5B-S-(Release AT Code)
| RAT Code | AT Band |
|---|---|
| 1 | 5-12 |
| 2 | 10-17 |
Example: R5B-S-1
Denotes SMD version in 5 – 12 Release AT.
Other Special Configurations Available
Non standard lead formations
Dynamic Contact Resistance Limit
Special Release AT Limits
Gold plated leads
Recommended Reflow Profile
Tape and Reel Dimensions
The R5B-S can be tape and reel packed for automatic pick and place, as per IEC-60286-3 norms. 2500 will be packed per spool. 40 – 80g force will be required to peel off cover tape.
Applications
Reed Switches and Reed Sensors in Capsule Endoscopy
 | Endoscopy Pill For most people, an endoscopy is extremely intrusive and uncomfortable. But, before...Continue reading |
Reed sensors in Emergency lamp holders
 | Emergency Lamps Emergency lamps are rechargeable battery powered lamp that automatically turns on when...Continue reading |
Reed sensors used in Fuel cap position sensing
 | Automobile fuel cap open A dashboard or an instrument panel located in front of...Continue reading |
Reed sensors in Telephone Handsets
 | Telephone Handset Even though the telephone was ubiquitous in the 80s and 90s even...Continue reading |