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MK20/2 Series Reed Sensor

Description

Ultraminiature (2.7mm) panel mount MK20/2 Series Reed Sensor are supplied in a cylindrically shaped housing with cable terminals. Optional cable, length, and termination. UL Approval

UL Certificate of Compliance (MKxx/xU *Series followed by U)

Specifications

Contact Form1A (SPST) Normally Open (N.O.)
Operating Range10-30 AT
Rated Power Max.3W/30VDC/0.25A

Applications

Industrial, security, white goods

Series Data Sheet (PDF)
 
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Stock Check

Item No.DatasheetDistributorRegionQuantityCartRFQInventory Date
MK20/2-B-100W Relay Specialties, IncAmericas248 RFQ2023-01-23
MK20/2-B-100W Reed-Rex LLCAmericas90 RFQ2024-09-04
MK20/2-B-500W Heilind ElectronicsAmericas0 RFQ2024-12-12
MK20/2-B-100W Heilind ElectronicsAmericas0 RFQ2024-12-12
MK20/2-B-100W MASTER/ONLINEAmericas346 BUY RFQ2024-12-13
MK20/2-B-100W Digi-Key ElectronicsAmericas513 BUY RFQ2024-12-12
MK20/2-B-500W Mouser ElectronicsAmericas0 RFQ2024-12-13
MK20/2-B-100W Mouser ElectronicsAmericas1,000 BUY RFQ2024-12-13
MK20/2-B-100W Arrow ElectronicsAmericas0 RFQ2024-12-13
MK20/2 Standex FactoryAmericas0 RFQ2024-12-13

Parametric Search

Mounting StyleContact ConfigurationOperate RangeContact RatingSwitching VoltageSwitching CurrentLength OverallSize BodyTermination
Part Number Mounting StyleContact ConfigurationOperate RangeContact RatingSwitching VoltageSwitching CurrentLength OverallSize BodyTerminationPackaging
MK20/2-B-100WCylindricalSPST-NO50 ~ 110 AT3 W30 V0.5 A4.23" (107.5mm)0.295" L x 0.106" Dia. (7.50mm x 2.70mm)Wire LeadsBulk
MK20/2-B-200WCylindricalSPST-NO50 ~ 110 AT3 W30 V0.5 A8.17" (207.5mm)0.295" L x 0.106" Dia. (7.50mm x 2.70mm)Wire LeadsBulk
MK20/2-B-500WCylindricalSPST-NO50 ~ 110 AT3 W30 V0.5 A19.98" (507.5mm)0.295" L x 0.106" Dia. (7.50mm x 2.70mm)Wire LeadsBulk
MK20/2-D-500WCylindricalSPST-NO10 ~ 140 AT3 W30 V0.5 A19.98" (507.5mm)0.295" L x 0.106" Dia. (7.50mm x 2.70mm)Wire LeadsBulk

Associated Parts

Panel mount (5.75mm) MK03 Series Reed Sensor are supplied in a cylindrically shaped housing with cable terminals. Optional internal switch, cable, length, and termination. UL Approval

UL Certificate of Compliance (MKxxU *Series followed by U)

Panel mount (4.0mm) MK14 Series Reed Sensor are supplied in a cylindrically shaped housing with cable terminals. Optional internal switch, cable, length, and termination. UL Approval

UL Certificate of Compliance (MKxxU *Series followed by U)

Panel mount (5.0mm) MK18 Series Reed Sensor are supplied in a cylindrically shaped housing with cable terminals. Optional internal switch, cable, length, and termination. UL Approval

UL Certificate of Compliance (MKxxU *Series followed by U)

Miniature (3.0mm) panel mount MK20/1 Series Reed Sensor are supplied in a cylindrically shaped housing with cable terminals. Optional cable, length, and termination. UL Approval

UL Certificate of Compliance (MKxx/xU *Series followed by U)

Technical Papers

Datasheets
Datasheet – MK33 Series Reed SwitchesDatasheet – MK21PR Series Reed SensorsDatasheet – MK04R Series Reed SensorsDatasheet – MK31 Series Reed SensorsDatasheet – MK10 Series Reed SensorsDatasheet – Magnet in Housing – M02, M03, M04, M05, M06, M11, M12, M13 and M21Datasheet – MK21 Series Reed SensorDatasheet – M21P Series Magnet in HousingDatasheet – M13 Series Magnet in HousingDatasheet – M11B Series Magnet in HousingDatasheet – M02 Series Magnet in HousingDatasheet – MK25 Series Reed SensorDatasheet – MK08 Series Reed SensorDatasheet – MK07 Series Reed SensorDatasheet – MK11 Brass Series Reed SensorDatasheet – MK11 Plastic Series Reed SensorDatasheet – MK11 Stainless Steel Series Reed SensorDatasheet – MK03 Series Reed SensorDatasheet – MK14 Series Reed SensorDatasheet – MK18 Series Reed SensorDatasheet – MK20/1 Series Reed SensorDatasheet – MK20/2 Series Reed SensorDatasheet – MK27 Series Reed SensorDatasheet – MK26 Series Reed SensorDatasheet – MK13 Series Reed SensorDatasheet – MK05 Series Reed SensorDatasheet – MK04 Series Reed SensorDatasheet – MK28 Series Reed SensorDatasheet – MK02 Series Reed SensorDatasheet – MK02/6 Series Reed SensorDatasheet – MK06 Series Reed SensorDatasheet – MK30 Series Reed SensorDatasheet – MK01 Series Reed SensorDatasheet – MK15 Series Reed SensorDatasheet – MK22 Series Reed SensorDatasheet – MK16 Series Reed SensorDatasheet – MK17 Series Reed SensorDatasheet – MK10 Series Reed SensorDatasheet – MK23 Series Reed SensorDatasheet – MK24 Series Reed Sensor

Applications

Media

Reed Switches for Smart Home Automation Systems

Reed Switches work well with smart home automation systems because they draw no power compared to other magnetic sensing elements. They can be married to a wireless or Bluetooth technology and placed in remote battery powered door sensors or window sensors, or anything where you’re looking for movement or proximity. They’re a very cost-effective and robust component suitable for the home environment, requiring fewer connections resulting in longer battery life.

In today’s homes and also commercial properties, there’s an increased necessity for control to improve efficiency and productivity. And with that control, you have different products that measure temperature, water levels, security, and locks, so within those products reed switches play a major role in making them “smart”.

Standex Electronics is a global leader in the design, development, and manufacturing of standard and custom Reed Switches.

Product Training Module – Magnet Technology & Their Uses

Welcome to Standex Electronics where we will be exploring what magnets are and how they are used in the electronic industry. We will define the key terms relating to magnets and we will explore what magnets are, what they do, and how they are used.

Product Training Module – Magnetic Mapping

Welcome to Standex Electronics' presentation on magnetic mapping and how it can help the reed sensor designer.

Product Training Module – Liquid Level Sensing Technology

Welcome to Standex Electronics' presentation on the Liquid level sensing technology. We will present and define the liquid level sensing technology. We will also present the key functions and define all critical terms. Along with this we will investigate the various package configurations and review the various expanding applications.

Product Training Module – Reed Sensor vs. Hall & Mechanical

Welcome to Standex Electronics' How to Select the Correct Technology for a Given Sensor Requirement. We will focus on the following sensor technologies - Reed, Hall, and Electromechanical. These sensors all provide a switching function either directly or indirectly. We will introduce the key specifications, and how these parameters compare to each other for the different technologies.

Product Training Module – Automotive Liquid Level Sensing

Welcome to Standex Electronics Electronic's presentation on the exciting dramatic increase in automotive applications using hermetically sealed reed sensors. They are having a significant effect on automotive safety and adding to the overall vehicle intelligence. We will present the reed sensor's technology, how they 'tie into' the applications, and show how they solve the application's problem. We will also present many of the applications and go into detail on some of them.

How a Reed Switch Works

The Reed Switch is the core element in Reed Sensors, Level Sensors and Reed Relays. A magnetic contact switch consisting of two ferromagnetic blades are hermetically sealed inside a glass tube. The glass tube is filled with a high purity inert gas. Under non operating conditions the reed switch contacts do not touch. Standex Electronics is leading the way in reed switch manufacturing...

How Reed Switches are Manufactured

Ultra miniature and high precision Reed Switch manufacturing in the most modern factory of its kind. Standex Electronics micro technology enables the mass production of Reed Switches at the highest quality for competitive pricing. The complete process from the sputtering of the magnetic contacts through the hermetic sealing and final testing...

Reed Switch Technology

Standex Electronics expert discusses reed switch technology and why reed switches play such an important role in many applications.

3D Magnetic Mapping for Sensor Applications

Standex Electronics's technical expert describes their 3D Magnetic Mapping capabilities used in reed sensor applications

Reed Switch SMD Sensor & Magnet Actuation in 3-D

A Reed Switch Sensor on a surface mount PCB assembly shown in 3-D with actuating magnet. When viewed in three dimensions, the magnetic flux lines emanating from the magnet look like a beer barrel keg; and also in three dimensions, with the magnet parallel to the reed switch, the center magnetic lobe array looks like a donut and the two outside lobes look more like a boxer's punching bag -- the kind hung from the ceiling. Essentially the fields from the magnet and the fields for the lobes are symmetrical when viewed in three dimensions. As seen in two dimensions, when the magnet is brought into one of the lobes the reed switch contacts will close. Now, as seen in three dimensions the magnet can be brought into the lobes in any spherical direction for contact closure to occur. Here the magnet is moved into the sphere of influence of the lobes of the reed switch showing the closure and opening when the magnet enters the lobes and passes through them, The change in lighting signifies the closing and opening of the reed switch contacts.

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