Littelfuse Subminiature Axial Lead PCB Reed Switch 500 mA 200 V MDSR-7-15-20

Littelfuse MDSR-7-15-20 is a subminiature axial lead PCB reed switch, rated for a maximum switching current of 500 mA and maximum switching voltage of 200 V. It is hermetically sealed with nickel iron alloy contacts, ensuring low contact resistance of 100 mΩ and high reliability in demanding industrial and electronic applications.

The compact glass envelope measures 12.7 mm in length and 1.8 mm in width, housing SPST normally open contacts. Its fast switching times, including a maximum release time of 0.1 ms and operating time including bounce of 0.5 ms, make it suitable for precise control operations.

This reed switch operates over a wide temperature range of -40°C to 125°C, making it adaptable to harsh environmental conditions. The wire terminal and PCB mount type facilitate straightforward installation on printed circuit boards.

With an AT sensitivity rating of 15 to 20, this switch is especially useful in reed relays, automatic test equipment, security systems, limit switching, and office automation devices. It is compliant with UR standards and designed to deliver stable and contamination-resistant operation over time.

Maximum switching current of 500 mA with 10 W power capacity. Maximum switching voltage of 200 V for diverse applications. Low contact resistance of 100 mΩ with durable nickel iron alloy contacts. Compact dimensions: 12.7 x 1.8 mm glass envelope.

Fast electrical response times for efficient switching. Wide operating temperature range from -40°C to 125°C. Form A contact type with wire terminals for PCB mounting. High reliability and hermetic sealing for contamination resistance.

Suitable for reed relays, security, limit switching, and office equipment.

This Littelfuse reed switch MDSR-7-15-20 is ideal for industrial, manufacturing, automation, and electronic applications requiring precise magnetic switching. Explore more products in the Reed Switch category at EnvMart.