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Parameter
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Type
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Description
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Foreign
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Checkbox [Parts Count also]
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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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Required only for the following subcategories of fixed resistors: Chassis Mount, WW Power (RE, RER); Film (RL, RLR, RN, RNR, and RM); Lead Mount, WW Power (RW, RWR), and Thermistor (RTH).
The type of device. Choices vary by subcategory.
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Secondary Type
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Choice List [Parts Count also]
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Required only for the Thermistor subcategory when Foreign is selected and the type is Heat Sensitive.
The subtype of the device. Choices are:
• Bar
• Bead
• Disc
• Polymer PTC
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Quality Level
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Choice List [Parts Count also]
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The appropriate quality screening level of the device. Accepted quality levels and values for fixed resistors follow. For the quality value assigned to a specific fixed resistor, see Chinese Standard GJB/z 299C.
• A1L = 0.05 (for Metallized Film [RL, RLR, RN, RNR, and RM] fixed resistors only)
• A1W = 0.10
• A2 = 0.30
• B1 = 0.60
• B2 = 1.00
• C = 4.00 or 5.00
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Resistance
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Real
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Not required for the following subcategories of fixed resistors: Network Film (RZ) and Thermistor (RTH).
The resistance value of the device. This parameter is used in conjunction with Units to enter the resistance value.
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Units
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Choice List
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Not required for the following subcategories of fixed resistors: Network Film (RZ) and Thermistor (RTH).
The units for the Resistance value. Choices are:
• ohm
• Kohm (ohm * 1000)
• Mohm (ohm * 1E6)
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Rated Temperature
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Choice List
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Required only for the Film (RL, RLR, RN, RNR, and RM) subcategory of fixed resistors when the type is Metallized Film. Not required when Foreign is selected.
The rated operating temperature of the fixed resistor. Choices are 705 and 125.
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Resistor Quantity
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Integer
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Not required for the Thermistor (RTH) subcategory of fixed resistors.
The number of Network Film (RZ) fixed resistors in use. Do not include Network Film (RZ) fixed resistors that are not used.
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[Power Parameters]
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Not required for the Thermistor (RTH) subcategory of fixed resistors.
For more information, see Power Parameters.
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[Temperature Parameters]
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Required only for the Thermistor (RTH) subcategory of fixed resistors when Foreign is selected.
For more information, see Basic Temperature Parameters.
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[Derating Parameters]
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For more information, see Derating Parameters.
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