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Pressure-tolerant electronics

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Pressure-tolerant electronics (PTE) are electronic components or assemblies that can operate satisfactorily under high pressure (hyperbaric or hydrostatic, such as oil baths), without the need of a high pressure enclosure.

OEM Pressure tolerant servo amplifier for subsea thrusters
OEM pressure tolerant servo amplifier from Ingenia Motion Control for subsea thrusters installed on remotely operated vehicles (ROVs) and crewed submersibles.

Typical uses include in submarines and oil wells.

Components

Component PTE non-PTE
Connectors All None
Resistors Carbon film, metal film, wire wound, tin oxide Carbon comp.
Capacitors Ceramic, film, solid tantalum Aluminum electrolytic, wet-slug tantalum, paper
Relays and contactors Open (operation is significantly slower) Sealed
Semiconductors Epoxy enclosed Metal can
Crystals - Surface mount or metal can
Resonators Surface mount or epoxy coated -

References

  1. Barnes, Howard. "A review of Pressure-Tolerant Electronics". US Dept of the Navy. Archived from the original on April 8, 2013.
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