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Off-Centre Contact Reed Switch, MO-1422

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Features

Off-Centre Contact for Seal Side actuation.

Ruthenium contact.

Inert gas filled.

4 types of Lead Formations.

Benefits

Does not require power for operation.

Sputtered Contact.

RoHS Compliant.

Not ESD Sensitive.

📝 Description

The MO-1422 Off-Centre Contact Reed Switch is meticulously engineered for applications requiring high sensitivity to magnet approaches, particularly when the magnet approaches from the seal/lead side. This design ensures optimal performance in scenarios where precise and reliable switching is crucial.

Measurement accuracy is enhanced through careful alignment of the contact overlap portion centered to the length of the test coil. Additionally, all blades within a batch of switches are oriented in the same direction, facilitating consistent in-group measurement accuracy and ensuring reliable performance across various operational conditions.

For applications demanding compactness, the cropped version of the MO-1422 is ideal, fitting seamlessly into smaller plastic housings and supporting direct soldering onto cables for simplified integration. In PCB assembly, the SMD variant supports efficient integration through reflow soldering processes, optimizing manufacturing efficiency and reliability. Moreover, vertical and horizontal mount versions accommodate through hole PCB configurations, offering flexibility in installation orientation to meet specific project requirements.

These versatile features make the Off-centre contact Reed Switch a preferred choice across industries such as automotive electronics, security systems, and medical devices. Its combination of high sensitivity, precise measurement capabilities, and adaptable mounting options ensures consistent and dependable performance in applications where magnet approach sensitivity is critical. Whether integrated into compact consumer electronics or industrial automation systems, this reed switch delivers reliability and durability, meeting the stringent demands of modern technological applications.

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⚡️ Electrical

Parameters Unit Values
Contact Form A
Contact Rating (max) W/VA 15.0
Switching Current (max) A 0.5
Carry Current (max) A 1.0
DC Switching Voltage (max) VDC 150
AC Switching Voltage (max) VAC 125
Breakdown Voltage (min) VDC 200
Contact Resistance (max) 150
Insulation Resistance (min) Ω 1011
Capacitance (typ) pF 0.2

📊 Miscellaneous

Parameters Unit Values
Operate Time (max) ms 1.50
Bounce Time (max) ms 0.80
Release Time (max) ms 0.15
Resonance Frequency (typ) Hz >2000
Operating Frequency (max) Hz 500
Operating Temperature °C -40 to +200
Shock Resistance (½Sin wave for 11ms) G 50
Vibration Resistance (10-2000Hz) G 20
Test Coil Number 717 102 002
 

⚙️ Ordering Code

MO-1422-(Operate Band)-(Formation Code)

Operate Band AT 15-50
Corresponding Release Band AT 5-35
Formation Code Lead Type
  Full Length Leads
C Cropped
S SMD
H Horizontal Mount
V Vertical Mount

Examples: MO-1422-15-20 denotes 15-20 Operate Band (AT) with Full Length leads. MO-1422-40-47-C denotes 40-47 Operate Band (AT) band with Cropped leads.

Other Special Configurations: Lower Static Contact ResistanceDynamic Contact Resistance Limit, Higher Insulation Resistance, Special Release Limits, Gold plated leads.

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🛠️ Usage Notes

Here are some of the recommended usage notes to ensure maximum durability of this product. The complete usage notes are available here.

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🧰 Applications

Although we can never restrict the use of a reed switch to a particular field, the following is a list of some of the applications that the MO-1422 Miniature Off-Centre Contact Reed Switch is known to perform well.

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Reed Sensor Dynamics™, 2026