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West Labs calls these resistors the World's Best because we don't believe you can purchase resistors of this quality off the shelf anywhere else. They are a Mil Spec RN70, Metal Film, 1% Tolerance, 1 Watt, 750 VOLT resistor.  We have these resistors custom built for us, by an American manufacturer, in large quantities, and sell them  to a number of quality boutique amplifier manufacturers and Hobbyists all over the world! Technical Specs on these West Laboratories resistors are listed below.

Note the price change for 10 of a type!
    Value       Single        10 of a type     10 - 10 Packs   100 - 10 Packs
     100 O
      470 O
      820 O
       1.2 K
       1.5 K
       2.2 K
       2.7 K
       3.3 K
       6.8 K
       10  K
       15  K
       22  K
       27  K
       33  K
       47  K
       56  K
       68  K
       82  K
     100  K
     220  K
     470  K

     1 Meg
 		    $1.00      $0.75            $0.65                 $0.50
      

 

 

 
    $1.20      $0.90            $0.70                    $0.60

 

 

Technical Specs, West Laboratories Resistors:

Watts : 1 Watt

Volts : 750 Volts

Tolerance : 1 Percent

Type : RN70

Ref: EIA RS-186 - All values are noted as percent change in R

Thermal Shock : ±0.05
Terminal Strength, 5lb. Load : ±0.02
Dielectric Withstanding Volt : ±0.02
Humidity : ±0.20
Low Temperature Operation : ±0.03
Resist. To Soldering Heat : ±0.04
Short Time Overload : ±0.05
1000 Hr. Load Life @ 125° : ±0.15

Temperature Coefficients : TC25=0±25 PPM/°C -20 to +85°C

Resistance Tolerances : ±1.0%

Lead Material
The core material is O.F.H.C. and is electroplated with a coating of 60/40 tin/lead.

Note:
These resistors are conformally coated and fully protected against moisture
by a multi-paint coat system and a hard epoxy outer coating. Marking is
alpha-numeric and meets the most demanding marking requirements.

 

 



 

 

 

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