Pressure-tolerant electronics
Pressure-tolerant electronics are electronic components or assemblies that can operate satisfactorily under high pressure, without the need of a high pressure enclosure.
Typical uses include submarines and oil wells.
Components
| Component | PTE | non-PTE |
| Connectors | All | - |
| 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 | Sealed |
| Semiconductors | Epoxy enclosed | Metal can |
| Crystals | - | Surface mount or metal can |
| Resonators | Surface mount or epoxy coated | - |