Pressure-tolerant electronics

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.[1]

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

ComponentPTEnon-PTE
ConnectorsAllNone
ResistorsCarbon film, metal film, wire wound, tin oxideCarbon comp.
CapacitorsCeramic, film, solid tantalumAluminum electrolytic, wet-slug tantalum, paper
Relays and contactorsOpen (operation is significantly slower)Sealed
SemiconductorsEpoxy enclosedMetal can
Crystals-Surface mount or metal can
ResonatorsSurface 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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