Standard PCB Mountable Reed Sensor, MS-108
Features
10W Contact Rating. 20.3 mm PCB Pitch. Normally Open contact. Two sensitivity bands. Two Lead Formations. Bulk Packed in Boxes.
Benefits
Omni-polar. Does not require power for operation. Sputtered Ruthenium Contact. RoHS Compliant. Not ESD Sensitive.
📝Description
The standard PCB mountable reed sensor MS-108 presented here is designed to handle currents of up to 1.5A, ensuring robust performance in electrical switching applications. Its internal blades are consistently aligned parallel to the sensor’s top surface, optimizing contact reliability and longevity over extended usage.
For enhanced versatility, change-over versions of the sensor can be custom-built upon request, catering to specific normally closed or dual circuit change over requirements and configurations. This flexibility allows engineers to tailor the sensor’s functionality to suit diverse application needs.
Prior to shipment, each sensor undergoes rigorous 100% testing to validate its performance across key parameters. This includes comprehensive testing for Operate AT (Actuation Time), Release AT, Static Contact Resistance, and Variable Contact Resistance. These tests ensure that every sensor meets stringent quality standards before it is packaged and dispatched, guaranteeing consistent and reliable operation in the field.
As an omni-polar device, this standard PCB mountable reed sensor is capable of activation by either a north pole, south pole, or both magnetic polarities, providing adaptability in magnet orientation. Engineers can optimize its performance further by selecting the appropriate AT band, magnet strength, and operating axis. This customization helps to refine the sensor’s response, limiting it to a single operate and release cycle per activation and thereby preventing unintended switching events.
Due to its standardized size and robust construction, this reed sensor is well-suited for integration into various electronic systems where reliable switching capabilities are essential. Whether deployed in industrial machinery, automotive electronics, or consumer appliances, its dependable performance and adaptable magnetic characteristics make it a preferred choice for engineers seeking efficient and durable switching solutions.
Magnets for Actuating Reed Switches and Reed Sensors
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Drawing of Cylindrical MagnetsDrawing of Rectangular Bar Magnets starFeaturesNdFeB High Energy. Nickel coated. Energized
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Sep 3, 2024 |
Actuation Distances for MS-108 Reed Sensors
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Operate and release distances for the MS-108 reed sensor in the two standard AT bands when actuated with standard magnets are listed
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Sep 3, 2024 |
⚡️Electrical
| Contact Form | A | |
| Contact Rating (max) | W/VA | 10.0 |
| Switching Current (max) | A | 0.5 |
| Carry Current (max) | A | 1.50 |
| DC Switching Voltage (max) | VDC | 180 |
| Breakdown Voltage (min) | VDC | 200 |
| Contact Resistance (max) | mΩ | 150 |
| Insulation Resistance (min) | Ω | 109 |
| Capacitance (typ) | pF | 0.2 |
📊Miscellaneous
| Operate Time (max) | ms | 0.35 |
| Bounce Time (max) | ms | 0.30 |
| Release Time (max) | ms | 0.10 |
| Resonance Frequency (typ) | Hz | <2000 |
| Operating Frequency (max) | Hz | 500 |
| Operating Temperature Range | °C | -40 to +140 |
| Shock Resistance (½Sin wave for 11ms) | G | 30 |
| Vibration Resistance (10-2000 Hz) | G | 20 |
⚙️Ordering Code
MS-108-(Operate Band Code)
| Operate Band Code | ||
| 1 | AT | 10-15 |
| 2 | AT | 15-20 |
| 3 | AT | 20-25 |
Example: MS-108-2 denotes MS-108 Reed Sensor in 15-20 Operate Band (AT).
Other Special Configurations: Lower Static Contact Resistance, Dynamic Contact Resistance Limit, Special Release Limits, Gold plated leads.
🛠️Usage Notes
Here are some of the recommended usage notes to ensure maximum durability of this product. The complete usage notes are available here.
Ampere Turn Selection for your Application
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Selecting the appropriate Ampere Turn (AT) or magnetic sensitivity for a Reed Switch, Reed Sensor, or Magnet Sensor is crucial in any
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Jul 24, 2024 |
Handling of Reed Switches
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Handling of Reed Switches Reed Switches, Reed Sensors, and Magnet Sensors are delicate devices prone to developing micro cracks in
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Jun 17, 2024 |
Reflow Soldering of Reed Switches
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Reflow Soldering is a sophisticated process used in electronics manufacturing to solder components onto printed circuit boards (PCBs). It
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Jun 17, 2024 |
Soldering of Reed Switches
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Soldering Reed Switches and Reed Sensors requires meticulous handling to safeguard these delicate components against inadvertent damage.
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Jun 17, 2024 |
Ferro-magnetic Parts
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Reed Switches utilize a nickel-iron alloy, sputter coated with additional Ruthenium to render it ferromagnetic while maintaining low
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Jun 17, 2024 |
Protection Circuits for Reed Switches
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It is assumed that the ideal reed switch load is a Resistive Load, but it is almost impossible to reduce any load to purely resistive.
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Jun 17, 2024 |
🧰Applications
Although we can never restrict the use of a reed sensor to a particular field, the following is a list of some of the applications that the MS-108 Reed Sensor is known to perform well.
Automatic Doors’ Position Detection Using Reed Sensors
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Traditionally, doors in shopping malls, commercial buildings, and offices required manual intervention for operation. Users had to
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Sep 3, 2024 |
HVAC Damper Position Sensing Using Magnet Sensors
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In traditional high voltage air conditioning systems (HVAC), manual control of fresh air intake and room ventilation is common practice.
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Sep 3, 2024 |
Reed Sensors to Prevent Cargo Container Tampering
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Cargo container theft poses a significant global challenge, resulting in the loss of hundreds of millions of dollars worth of goods
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Sep 3, 2024 |
Reed sensors for Tamper-proofing Electricity Meters
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Electric companies rely on electricity meters calibrated to measure one kilowatt-hour and determine maximum demand, representing the peak
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Sep 3, 2024 |
Wind Vanes Use Reed Switches for Direction Sensing
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A weather vane, a timeless instrument, serves the vital purpose of indicating wind direction. Its simple yet effective design typically
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Sep 3, 2024 |
Underwater currents in Lakes measured using Flow Meters
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The dynamics of underwater currents in lakes and other aquatic ecosystems are influenced by a multitude of factors, ranging from
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Sep 3, 2024 |
Survival Rafts and ELTs Using Reed Sensors
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Survival rafts are equipped with sophisticated water sensors designed to activate the compressed air cylinder, inflating the raft
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Sep 3, 2024 |
Hatch, Anchor and Rudder Position-Sensing Using Reed Sensors
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Hatch, anchor and rudder positions on boats and yachts need to be monitored. In the realm of advanced sailboats and yachts, the
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Sep 3, 2024 |
Central Locking with Remote Keys and Reed Switches
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Central locking systems provide convenient control over the locking and unlocking of all doors in an automobile, offering enhanced
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Sep 3, 2024 |
Reed switches in Instant Water heaters and Power showers
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Bathrooms appliances such as Instant Water Heaters and power showers use reed switch based Flow switches to detect if the water supply
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Sep 3, 2024 |
Fluid Metering Using Reed Sensors
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In many major cities, utility companies or gated communities manage the distribution of piped water and Liquefied Petroleum Gas (LPG) to
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Sep 3, 2024 |
Magnet sensors for Tension Monitoring in Coil Winders
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Coil Winder Coil Winders help wind bobbins with Copper wire and these bobbins are used in various applications such as in reed relay
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Sep 3, 2024 |