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TiNi™ Optical Shutter

High Load Holding Capability and Fast Actuation Time

The EBAD TiNi™ Optical Shutter was first developed for SWRi (South West Research Institute) for the New Horizons mission to Pluto. It provides a simple and effective means to let light into sensitive instruments. The aperture cover is opened on command and may be manually reset to support ground testing.

NEA (Non-Explosive Actuators) – As with all EBAD TiNi™ products, the Shutter is non-pyrotechnic and field reset-able with a minimum qualified life of 100 cycles.

Field Reset-able and Reliable – The Shutter is reset by simply re-cocking the gate that is used to cover the aperture.  This is accessed from the side of the Actuator and may be operated with a simple tool provided.

Redundant Firing Circuit – As with all EBAD TiNi™ Actuators a redundant SMA circuit is incorporated. This provides complete electrical redundancy as well as mechanical redundancy for the critical trigger element.

Fast Acting – By directly passing current through the SMA element, EBAD TiNi™ Shutters perform in millisecond time frame making them ideal for time sensitive applications that also require low power consumption.

Auto Shut-Off Switches – Simple Auto Shut Off Switches are incorporated into each Shutter to protect the Trigger.  This makes them very “user friendly” and operable from a wide range of current and voltages.

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2- Way Optical Shutter Options

OPTICAL SHUTTER SOC-1342

The SOC-1342 comes in a low profile package that minimizes the overall envelop.   It can be operated with as little as 0.5 amps and is fast acting.   As with all TiNi  products, key attributes include:

Features:

    • Non Pyrotechnic and Field Reset-able
    • Redundant Firing Circuit,
    • Maximum Reliability Thru
      • Design Simplicity
      • Pedigree, and
      • Testability

Function Time at Various Temperatures

Nominal values for reference only.


SOC-1342 Specifications

Specification subject to revision. Contact EBAD for detailed ICD (Interface Control Drawing).