Entering Telcordia Resistors
The following table describes the part parameters required for resistors when a Telcordia model is selected for the calculation. These models support all but the following subcategories of resistors:
Glass Glazed, Var
Organic Solid, Var
Surface Mount
Parameter
Type
Description
Quality Level
Choice List
The quality screening level used in the manufacturing of the device. For more information, see Telcordia Quality Levels.
Resistance
Real
Not required for the following subcategories: Chassis Mount, WW Power (RE, RER); Lead Mount, WW Power (RW, RWR); and Thermistor (RTH).
The resistance value of the device. This parameter is used in conjunction with Units to enter the resistance units.
Units
Choice List
Not required for the following subcategories: Chassis Mount, WW Power (RE, RER); Lead Mount, WW Power (RW, RWR); and Thermistor (RTH).
The units for the Resistance value. Choices are:
ohm
Kohm (ohm * 1000)
Mohm (ohm * 1E6)
Type
Choice List
Required only for the following subcategories: Film (RL, RLR, RN, RNR, RM), Network Film (RZ), Semiprec, Var WW (RA, RK), and Thermistor (RTH).
The type of device or film. Choices vary by subcategory.
Resistor Quantity
Integer
Required only for the Network Film (RZ) subcategory.
The number of film resistors in use. Do not include resistors that are not used.
Construction Type
Choice List [Bellcore Issue 4 only]
Required for the Power, Var WW (RP) subcategory.
The construction type of the resistor, enclosed or unenclosed.
[Power Parameters]
Real (Watts)
Not required if Method I Case 1 or Method I Case 2 is selected as the calculation method.
For other calculation methods, not required for the following subcategories: Network Film (RZ) and Thermistor (RTH).
For more information, see Power Parameters.
[Temperature Parameters]
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Not required if Method I Case 1 or Method I Case 2 is selected as the calculation method.
For more information, see Basic Temperature Parameters.
[Derating Parameters]
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For more information, see Derating Parameters.