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Parameter
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Type
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Description
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|---|---|---|
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Foreign
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Checkbox [Parts Count for some subcategories]
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In the Parts Count model, this field is required for the following subcategories: Antenna, Loop; Antenna, Telescopic; Crystal Resonator; Oscillator; and Quartz Crystal.
In the Parts Stress model, this field is required for all but the following subcategories: Electric Bell, Electric Cable; Filter; Laser; Load, Dummy or Microwave; Loudspeaker; Microphone; and Quartz Filter.
Indicates whether the device is made in China. If this checkbox is selected, the failure rate of the part is calculated based on Appendix A for the 299C Parts Count or Parts Stress model chosen.
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Type
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Choice List [Parts Count also]
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The requirements for this field vary by subcategory as well as the status of Foreign.
The type of device. Choices vary by subcategory.
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Filter Type
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Choice List [Parts Count also]
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Required only for the Filter subcategory.
The type of laser. Many types of Helium and other types are available.
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Quality Level
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Choice List [Parts Count also]
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The requirements for this field vary by subcategory as well as the status of Foreign.
The appropriate quality screening level of the device. Accepted quality levels and values for miscellaneous parts follow. For the quality value assigned to a specific miscellaneous part, see Chinese Standard GJB/z 299C.
• A = 0.15, 0.30, or 0.40
• A1 = 0.20 or 0.30
• A2 = 0.35 or 0.05
• B = 1.00
• B1 = 0.45
• B2 = 1.00
• C = 4.00 or 5.00
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Frequency
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Real (MHz)
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Required only for the Quartz Filter subcategory and when the type for the Filter subcategory is Mechanical Filter or Piezoelectric Ceramic Filter.
The rated frequency of the filter.
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Complexity
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Choice List [Parts Count also]
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Required only for the Gyroscope subcategory when Foreign is not selected.
The number of axes. Choices are:
• Single axis
• Two axes
• Three axes
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Construction
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Choice List [Parts Count also]
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Required only for the Gyroscope subcategory when Foreign is not selected.
The thickness of the device in millimeters. Choices are:
• 30mm
• 40mm
• 60mm
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Application
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Choice List [Parts Count also]
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Required only for the Gyroscope subcategory when Foreign is not selected.
The way the device is used. Choices are:
• Angular Acceleration
• Angular Displacement
• Angular Velocity
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Laser Type
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Choice List [Parts Count also]
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Required only for the Laser subcategory.
The type of laser. Many types of Helium and other types are available.
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Learning Factor
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Choice List [Parts Count also]
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Required only for the following subcategories: Gyroscope and Laser. Not required when Foreign is not selected.
The production level for the device. Choices are:
• Stable
• No Quality Control
• New in Production
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Operating Current
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Real (Amps) [Parts Count also]
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Required only for the Laser subcategory when the type is Sealed CO2.
The operating load stress of the device in the circuit.
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Rearward Circuit Failure Rate
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Real [Parts Count also]
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Required only for the Gyroscope subcategory when Foreign is not selected.
The rearward circuit failure rate to use for the device.
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Utilization
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Choice List [Parts Count also]
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Required only for the following subcategories when Foreign is not selected: Incandescent Lamp and Neon Lamp.
The ratio of illumination hours to total equipment operating hours. Choices are:
• < 0.1
• 0.1 - 0.8
• 0.80 - 1.0
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Rated Voltage
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Real (Volts) [Parts Count also]
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Required only for the following subcategories when Foreign is not selected: Incandescent Lamp and Neon Lamp.
The rated voltage of the device.
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Load Power
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Choice List [Parts Count also]
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Required only for the Load, Dummy or Microwave subcategory when the type is Simulated Load.
The load power level of the device in Watts. Choices are:
• <100W
• 100W - 1000W
• 1000W
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[Derating Parameters]
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For more information, see Derating Parameters.
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