D2MQ-1 Datasheet

Microswitch Plunger


Features, Applications
Superminiaturized Basic Switch Ideal for Equipment Miniaturization

Excels in electric characteristics with the snap-action mechanism despite superminiaturized design. Gold-plated (Au-P) contacts for micro load switching available in addition to the standard silver-plated contacts (Ag-P). Ideal for applications where size and weight requirements are crucial, such as in electronic wrist-watch, miniaturized optical and audio equipment. Weighs only 0.3 g and measures 2.7 D mm.

Actuator Pin plunger Leaf lever D2MQ-1 D2MQ-1L Standard Microvoltage/current load D2MQ-1-105 D2MQ-1L-105


Electrical ratings Inrush current at 30 VDC (resistive load) at 30 VDC (resistive load) NO: 0.5 A max., NC: 0.5 A max. (standard model)

Operating speed Operating frequency Insulation resistance Contact resistance Dielectric strength Vibration resistance Shock resistance Life expectancy Ambient temperature Ambient humidity Weight to 0.5 m/s (at pin plunger) Mechanical: 60 operations/min Electrical: 20 operations/min 100 M min. (at 250 VDC) 100 m max. (initial value) 500 VAC, 50/60 Hz for 1 min between non-continuous terminals 500 VAC, 50/60 Hz for 1 min between each terminal and ground Malfunction: to 55 Hz, 1.5-mm double amplitude Mechanical: 1,000 m/s2 min. (approx. 100G min.) Malfunction: 300 m/s2 (approx. 30G min.) Mechanical: 30,000 operations min. (at full OT value) Electrical: 10,000 operations min. (at full OT value) Operating: to 70�C (with no icing) Operating: to 85% Approx. 0.3 g

Note: 1. All units are in millimeters unless otherwise indicated. 2. Unless otherwise specified, a tolerance 0.15 mm applies to all dimensions.

Two, 1.6 dia. mounting holes or M1.4 screw holes

Use M1.4 mounting screws with screws to mount the switch. Tighten the screws to a torque kg S cm). When mounting the switch, use an insulating separator. In particular, when the switch to be mounted on a metallic mounting plate, be sure to insert the separator in between the switch and mounting plate. Dimensions of Separator

Do not apply a force more than two times the rated operating force to the actuator and leaf lever. Make sure that the actuator is not hindered by any objects from moving to or beyond the rated overtravel. Do not change the operating position by modifying the actuator. Do not use the switch in an application where the operating speed is extremely slow or the actuator is set in the midpoint between the free position and operating position. Install the pin plunger switch so that the operating force is applied in alignment with the stroke of the actuator. Do not apply a shock to the actuator, otherwise, the switch may be damaged. Do not apply excessive force to the actuator of the leaf lever switch in the operating, releasing, and horizontal directions.

When soldering a lead wire to a terminal of the D2MQ, use a soldering iron with a maximum capacity 15 W max. and do not take more than s to solder the lead wire, otherwise the characteristics of the D2MQ may be altered. Applying a soldering iron for too long a time or using one that is rated at more than 15 W may degrade the switch characteristics.

To convert millimeters into inches, multiply 0.03937. To convert grams into ounces, multiply by 0.03527.



Manufacturer information

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