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Pull type, miniature magnetic latching solenoid from Bicron Electronics, model SC0323L. Typical uses include medical instrumentation, power management devices, computer peripherals and security applications. The SC0323L incorporates a permanent magnet "zero power to hold" design, ideal for power management in products that require linear actuation and continuous power-off hold.

The SC0323L is rated at a maximum force of 4.5oz at a 0.05-inch stroke (10% duty cycle).

Magnetic latching solenoids differ from conventional solenoids in that they have a permanent magnet in their core that polarizes the unit. When connected in "pull-in" mode, force generated by the coil polarity adds to force in the polarized core, enabling the plunger to pull in. When connected in the "release" mode, coil polarity opposes the polarized core, allowing the load or spring to release the plunger.

This is only one of more than 30 standard solenoid models including C-Frame, D-Frame, Tubular and Rotary. Bicron's "modified standard" program gives it many starting points for an almost unlimited range of custom designed solenoids with quick turn around prototype development and economical design costs.