Reed Relays and
Electronics India Limited
Manufacturer of Reed Switches, Reed Sensors and Reed-based products
Reed Relays and Electronics India Limited Incorporated in 1971

MS-108 Standard Size PCB Mountable Reed Sensor

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Features

10W Contact Rating. 20.3 mm PCB Pitch. Normally Open contact. Two sensitivity bands. Two Lead Formations. Bulk Packed in Boxes.

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Benefits

Omni-polar. Does not require power for operation. Sputtered Ruthenium Contact. RoHS Compliant. Not ESD Sensitive.

Description

This standard size PCB mountable reed sensor is manufactured to carry up to 1.5A. The internal blades always parallel to the top surface of the sensor. Change-over versions can also be built on request. All sensors are tested 100% for Operate AT, Release AT, Static Contact Resistance and Variable Contact Resistance before packing. Being an omnipolar device, this sensor can be actuated with either a north pole or a south pole or both. Choosing the right AT band, magnet strength, and operating axis, will restrict the number of operates and releases to one.

Cylindrical and Rectangular Magnets

Standard magnets-RRE Drawing of Cylindrical MagnetsDrawing of Rectangular Bar Magnets starFeaturesNdFeB High Energy. Nickel coated. Energized Continue reading ->

Nov 18, 2020

Actuation Distances for MS-108 Reed Sensors

RRE MS-108 magnet actuation Operate and release distances for the MS-108 reed sensor in the two standard AT bands when actuated with standard magnets are listed Continue reading ->

Oct 30, 2020

Electrical

Contact FormA
Contact Rating (max)W/VA10.0
Switching Current (max)A0.5
Carry Current (max)A1.50
DC Switching Voltage (max)VDC180
Breakdown Voltage (min)VDC200
Contact Resistance (max)150
Insulation Resistance (min)Ω109
Capacitance (typ)pF0.2

Miscellaneous

Operate Time (max)ms0.35
Bounce Time (max)ms0.30
Release Time (max)ms0.10
Resonance Frequency (typ)Hz<2000
Operating Frequency (max)Hz500
Operating Temperature Range°C-40 to +140
Shock Resistance (½Sin wave for 11ms)G30
Vibration Resistance (10-2000 Hz)G20

Ordering Code

MS-108-(Operate Band Code)

Operate Band Code
1AT10-15
2AT15-20
3AT20-25

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

Reed Sensor Manufacturer Cross Reference For any application, it is important to select the correct Ampere Turn (AT) or magnetic sensitivity of a Reed Switch, Reed Sensor or Continue reading ->

Aug 27, 2020

Product Handling

Dropping Reed switch Reed Switch Handling Reed Switches, Reed Sensor and Magnet Sensors are sensitive devices that easily develop micro cracks in the glass Continue reading ->

Aug 31, 2020

Reflow Soldering

Drawing of SMD reflow soldering curve Reflow Soldering is a process of automatically soldering multiple devices on a PCB. This is usually done after components are Continue reading ->

Aug 28, 2020

Manual Soldering

Soldered Reed switch Soldering of Reed Switches and Reed Sensors requires some care to ensure that these delicate devices are not inadvertently damaged. Damage Continue reading ->

Nov 10, 2020

Ferro-magnetic parts

Ferromagnetic parts Reed Switches use an alloy of Nickel and Iron with a few other elements that make the alloy Ferro-magnetic and having a low Remanence. Continue reading ->

Sep 4, 2019

Reed Contact Protection Circuits

Inductive Load Protection Circuit 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. Continue reading ->

Aug 31, 2020

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.

Reed Sensors to Prevent Thievery in Cargo Containers

cargo container Containerized Cargo Cargo theft is an international problem and hundreds of millions of dollars of goods are lost due to pilferage and Continue reading ->

Nov 7, 2020

Reed sensors for Tamper-proofing Electricity Meters

tamper proof electricity meter Electric Companies use meters calibrated to measure 1 kilo-watt-hour and also measure maximum demand, which is the peak kilo-watt Continue reading ->

Nov 6, 2020

Reed sensors in Wind Vanes

Reed switches in wind vanes Wind Vane A weather vane is an instrument used to show the direction of the wind. A regular weather vane usually consists of a pointer Continue reading ->

Nov 7, 2020

Reed sensors in Survival rafts and ELTs

Reed switches in survival rafts Emergency Raft Survival rafts contain water sensors which trigger the compressed air cylinder to inflate the raft when dropped into the Continue reading ->

Nov 7, 2020

Flow Meters for checking Lake currents

Reed switches in flow_meter Lake Current Meter Underwater currents in lakes and other water bodies are caused by various factors such as pressure gradients due to Continue reading ->

Nov 7, 2020

Magnet sensors for Anchor, Rudder, and Hatch position detection

Reed switches in hatch position sensing Boat Hatch Conventional and recreational sailing craft derive power from sails, and the sailor adjusts the alignment of each sail, Continue reading ->

Nov 7, 2020

Reed sensors in Central Locking of Cars with Remote Keys

Reed switches in door sensors Automobile Key Central locking allows the driver or front passenger to simultaneously lock or unlock all the doors of an automobile. Continue reading ->

Nov 7, 2020

Reed switches in Instant Water heaters and Power showers

Reed switches in instant water heater Bathrooms appliances such as Instant Water Heaters and power showers use reed switch based Flow switches to detect if the water supply Continue reading ->

Nov 6, 2020

Magnet Sensors in Fluid Metering

Water meter Fluid Meter In most large cities, utility companies or closed communities run piped Water and Liquefied Petroleum Gas, LPG, to all Continue reading ->

Nov 7, 2020

Magnet sensors for Tension Monitoring in Coil Winders

Magnet sensors in Winding count and tension sensing and in Coil Winders Coil Winder Coil Winders help wind bobbins with Copper wire and these bobbins are used in various applications such as in reed relay Continue reading ->

Nov 6, 2020

MS-108 Standard Size PCB Mountable Reed Sensor
Standard Size PCB Mountable Reed Sensor Series: 10W, omnipolar, complete data sheet and technical specifications.
Brand: RRE
Manufacturer: Reed Relays and Electronics
Model: MS-108
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