Environment (working)
Temperature control
Electrical resistance
Ratings
Dielectric devices
Dimensions
Glass
Testing conditions
Oscillators
Resonant frequency
Resonators
Statistical quality control
Frequencies
Inspection
Rated power
Performance
Electrical properties and phenomena
Quality assurance systems
Electrical tolerances
Assessed quality
Temperature
Crystal resonators
Piezoelectric devices
Capacitance
Approval testing
Quality control
Qualification approval
Working range
Electronic equipment and components