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MDSM-4R-12-18

Littelfuse

MDSM-4R-12-18 by Littelfuse

MDSM-4R-12-18 by Littelfuse is a magnetic reed switch with a max pull in of 18 AT and min pull in of 12 AT. It is hermetically sealed and has a switch function of SPST. This switch is commonly used for surface mount applications requiring dry reed switches.

Median Price

$0.970

Lifecycle Status

Suppliers In-Stock

28

In-Stock Inventory

1k+

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Newark

USA . 1,441 parts In-Stock

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$0.622

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$0.622

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$0.622

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1,441

$0.622

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Arrow

USA . 5,362 parts In-Stock

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$0.738

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$0.738

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RS Americas

USA . 2,975 parts In-Stock

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$0.970

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$0.760

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$0.600

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2,975

$0.970

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Farnell

UK . 1,849 parts In-Stock

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$1.110

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$0.778

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1,849

$1.110

$0.778

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RS (Exports)

UK . 2,945 parts In-Stock

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$1.270

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$1.020

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$0.950

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2,945

$1.270

$1.020

$0.950

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DigiKey

USA . 68,184 parts In-Stock

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$1.470

100+ parts

$1.028

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$0.854

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$0.661

68,184

$1.470

$1.028

$0.854

$0.661

Element14

Singapore . 1,391 parts In-Stock

1+ parts

$1.950

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$1.330

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$1.130

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1,391

$1.950

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$1.130

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Chip1Stop

Japan . 12,000 parts In-Stock

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$0.446

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$0.446

Future Electronics

Canada . 3,000 parts In-Stock

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$0.685

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$0.685

TTI

USA . 3,000 parts In-Stock

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$0.706

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$0.706

Verical

USA . 374 parts In-Stock

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$1.427

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374

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$1.427

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Distributors (In-Stock)

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Nova Conductors

Japan . 67 parts In-Stock

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$0.682

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$0.682

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Vyrian

USA . 18,293 parts In-Stock

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Rutronik

Germany . 6,000 parts In-Stock

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$0.789

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$0.789

NAC Semi

USA . 6,000 parts In-Stock

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$1.370

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$1.370

Chip Stock

USA . 4,500 parts In-Stock

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4,500

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ComSIT Distribution GmbH

Germany . 3,000 parts In-Stock

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IBS Electronics

USA . 3,000 parts In-Stock

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$0.961

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$0.961

ComSIT USA

USA . 3,000 parts In-Stock

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Semi Source

USA . 1,573 parts In-Stock

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Atlantic Semiconductor

USA . 1,550 parts In-Stock

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Inventory MP

USA . 221 parts In-Stock

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Holdelec - ElecDif-Pro

France . 219 parts In-Stock

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Specialty Parts & Electronic Components, Inc. (S.P.E.C.)

USA . 206 parts In-Stock

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Bristol Electronics

USA . 169 parts In-Stock

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Goldney Electronics S.L.

Spain . 36 parts In-Stock

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Sensible Micro Corp

USA . 16 parts In-Stock

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Speed Components Ltd

Israel . 15 parts In-Stock

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Ampacity Inc.

Singapore . 18,138 parts In-Stock

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$0.379

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$0.379

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Semicontronic

India . 18,032 parts In-Stock

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$0.379

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$0.370

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$0.368

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18,032

$0.379

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Argo Parts USA

USA . 3,153 parts In-Stock

1+ parts

$0.660

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$0.640

3,153

$0.660

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$0.640

Modulus Dynamics

Lithuania . 56 parts In-Stock

1+ parts

$0.733

100+ parts

$0.726

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$0.704

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56

$0.733

$0.726

$0.704

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Continental Prestige Electronics

USA . 3,000 parts In-Stock

1+ parts

$0.823

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$0.640

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3,000

$0.823

$0.640

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Aztec Data Supply Inc.

USA . 10,762 parts In-Stock

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$1.980

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10,762

$1.980

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Corohmni

South Africa . 249 parts In-Stock

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$2.156

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$2.156

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Advanced Electronics

New Zealand . 5,000 parts In-Stock

1+ parts

$4.830

100+ parts

$4.588

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$4.588

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$4.830

$4.588

$4.588

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Perfect Parts

USA . 318,190 parts In-Stock

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Allen Electronics Distributors

USA . 3,000 parts In-Stock

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$0.800

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$0.760

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$0.710

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$0.800

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$0.710

GreenTree Electronics

Israel . 3,000 parts In-Stock

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Kepictronics

USA . 2,890 parts In-Stock

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2,890

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Netroflash

USA . 2,000 parts In-Stock

1+ parts

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$0.668

1k+ parts

$0.648

10k+ parts

$0.634

2,000

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$0.668

$0.648

$0.634

Robosynatics

Brazil . 300 parts In-Stock

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300

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Lucentia Tech

USA . 300 parts In-Stock

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$127.648

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$127.648

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$127.648

300

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$127.648

$127.648

$127.648

Overview

Discover the MDSM-4R-12-18 by Littelfuse, a magnetic reed switch that delivers unparalleled quality and reliability. As a trusted manufacturer, Littelfuse ensures that this product meets the highest standards in the industry. With its hermetically sealed design and SPST switch function, this switch offers maximum pull in of 18 AT and minimum pull in of 12 AT. Perfect for a wide range of applications, the MDSM-4R-12-18 provides customers with exceptional value and benefits. Whether it's for security systems, automotive electronics, or industrial equipment, this switch guarantees smooth and efficient operation. Experience the advantages of Littelfuse's superior technology and maximize the performance of your applications with the MDSM-4R-12-18 magnetic reed switch.

Feature Benefit Bullets

Maximum Pull In: 18 AT

This high maximum pull in value ensures a strong magnetic attraction, making this Reed switch a reliable choice for applications requiring a secure and robust connection.

Minimum Pull In: 12 AT

With a low minimum pull in value, this Reed switch allows for sensitive and precise actuation, making it ideal for applications requiring a delicate touch or fine control.

Sealing: HERMETICALLY SEALED

The hermetically sealed design ensures the switch is completely protected from any external contaminants or moisture, making it highly resistant to environmental factors and ensuring long-term reliability.

Switch Function: SPST

The Single Pole, Single Throw (SPST) switch function offers a simple and versatile switching capability, ideal for use in a wide range of circuits or systems.

Body Height: 15.24 mm

With a compact body height, this Reed switch can be easily integrated into space-constrained applications, providing a convenient and efficient solution.

Maximum Operating Temperature: 125 °C

With a high maximum operating temperature, this Reed switch can withstand harsh environments and maintain optimal performance, making it suitable for use in demanding conditions.

Maximum AC Contact Current: 0.35 A

This high maximum AC contact current rating allows for efficient power transmission, making this Reed switch suitable for applications requiring a substantial electrical load.

Minimum Operating Temperature: -40 °C

The low minimum operating temperature ensures reliable operation in extremely cold conditions, making this Reed switch well-suited for use in low-temperature environments.

Nominal Resonant Frequency: 3.9 kHz

The nominal resonant frequency indicates the frequency at which this Reed switch operates with high efficiency and minimal distortion, providing accurate and responsive switching performance.

Maximum DC Contact Voltage: 200 V

With a high maximum DC contact voltage, this Reed switch can handle higher voltage applications, making it a reliable choice for systems that require substantial electrical potentials.

Switch Type: DRY REED SWITCH

The dry Reed switch type eliminates the need for liquid or gel-based mediums, improving reliability, reducing maintenance requirements, and making it ideal for use in enclosures with limited space.

AC Maximum Rating R Load (Contact): 0.35A@140VAC

This AC maximum rating for resistive loads ensures reliable and safe operation when handling a maximum current of 0.35A at a voltage of 140VAC, making this Reed switch suitable for a variety of AC applications.

Body Length/Diameter: 2.28 mm

The compact body length/diameter allows for seamless integration into small-scale applications or densely packed circuits, providing flexibility in design and facilitating space-saving solutions.

DC Maximum Rating R Load (Contact): 0.5A@200VDC

This DC maximum rating for resistive loads enables the Reed switch to handle a maximum current of 0.5A at a voltage of 200VDC, making it a reliable choice for various DC-based applications.

Maximum DC Contact Current: 0.5 A

The high maximum DC contact current capability ensures efficient power transmission and reliable switching, enhancing the versatility and reliability of this Reed switch.

Termination Type: SOLDER

The solder termination type simplifies the installation and connection process, providing a secure and durable connection between the Reed switch and other components or circuits.

Maximum AC Contact Voltage: 140 V

With a high maximum AC contact voltage capability, this Reed switch can handle higher voltage loads, expanding its suitability for AC-based applications requiring enhanced electrical potentials.

Mounting Feature: SURFACE MOUNT-STRAIGHT

The surface mount-straight mounting feature enables convenient and straightforward installation on a variety of surfaces, making it easy to integrate this Reed switch into different devices or systems.

Technical Specifications

Magnetic Reed Switches MDSM-4R-12-18 attributes and parameters. Explore more Magnetic Reed Switches devices from Littelfuse

Specs

Body Height:

15.24 mm

Body Length/Diameter:

2.28 mm

AC Maximum Rating R Load (Contact):

.35A@140VAC

Maximum AC Contact Current:

.35 A

Maximum DC Contact Current:

.5 A

DC Maximum Rating R Load (Contact):

.5A@200VDC

Maximum AC Contact Voltage:

140 V

Maximum DC Contact Voltage:

200 V

Mounting Feature:

Maximum Operating Temperature:

125 Cel

Minimum Operating Temperature:

-40 Cel

Maximum Pull In:

18 AT

Minimum Pull In:

12 AT

Nominal Resonant Frequency:

3.9 kHz

Sealing:

HERMETICALLY SEALED

Switch Function:

Switch Type:

Termination Type:

SOLDER

Trade Compliance

MDSM-4R-12-18 Switches trade compliance attributes, and parameters.

ECCN

EAR99

ECCN Governance

EAR

HTS

8536.50.70.00

SB

8536.50.70.00

PCN

Manufacturer Highlights

Littelfuse

Littelfuse is a diversified industrial technology manufacturing company empowering a sustainable, connected, and safer world. Across more than 20 countries, and with approximately 18,000 global associates, we partner with customers to design and deliver innovative, reliable solutions. Serving over 100,000 end customers, our products are found in a variety of industrial, transportation, and electronics end markets—everywhere, every day. Headquartered in Chicago, Illinois, United States, Littelfuse was founded in 1927.

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