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        Gold aluminum shell resistor

      

      

      

      
    
      
        
      
            
      GR Series
      
            
      
                
      GR Series
      
                
      

       Product features: 
       

      1. Small size and high power
       

      2. Sturdy structure and high stability
       

      3. Aluminum shell for heat dissipation, suitable for installation of heat dissipation plates
       

      4. Silicon copper film compression molding with good insulation performance
       

      5. Meets lead-free/RoHS requirements
      
                
      
                
      Product consultation hotline:18617185077
      
            
      
        
      
    
      
    
      
        
      Product details
      
        
      
Product application:Widely used in the power supply, frequency converter, elevator, stage audio, and high-end equipment industries.

      

      
Appearance and dimensions:
      1.jpg

       

       
       
       

       
  
  
       
   Category Style 
   Dimensions unit: mm 
  
       
  
       
   L1 ± 2 
   L2 ± 1 
   L3 ± 1 
   A ± 1 
   B ± 1 
   C ± 1 
   E ± 0.3 
   S ± 1 
   H ± 0.5 
  
       
  
       
   KAL 10 
    32  
    19  
    14  
    20  
    15.5  
    10.5  
    2  
    10  
    5  
  
       
  
       
   KAL 25 
    47  
    27  
    18  
    27  
    19  
    15  
    3.2  
    15.5  
    7  
  
       
  
       
   KAL 50 
    70  
    50  
    39  
    29  
    21  
    15  
    3.2  
    15.5  
    7  
  
       
  
       
   KAL 80 
    102  
    66  
    35  
    47  
    37  
    28  
    4.5  
    25  
    12  
  
       
  
       
   KAL 100 
    135  
    89  
    69  
    70  
    48  
    46  
    5  
    44.5  
    19.5  
  
       
  
       
   KAL 250 
    155  
    114  
    98  
    77  
    64  
    53  
    5  
    55.5  
    25  
  
       
  
       
   KAL 300 
    155  
    114  
    98  
    77  
    64  
    53  
    5  
    55.5  
    25  
  
       
        

      

       

       Power attenuation curve and temperature rise curve: 
       

      Power attenuation curve:
       

       3.jpg 
       

      Temperature rise curve:
      4.jpg
      Technical description: 
      

       

       
  
  
       
   Category Style 
   Power Rating 
   Resistance range (Ω) 
   Maximum working voltage MWV (V) 
   Heat dissipation plate area 
   Weight (g)
      Weight      		 
  
       
  
       
   With heat dissipation plate 
   Without heat dissipation plate 
   KAL 
   NKAL (no sensation) 
   KAL 
   NKAL (no sensation) 
   Surface area (cm2) 
   Thickness (mm) 
  
       
  
       
   KAL 10 
    10  
    8  
   0.02-6K 
   0.03-2.3K 
    245  
    180  
    415  
    1  
    6  
  
       
  
       
   KAL 25 
    25  
    13  
   0.012-15K 
   0.02-5.5K 
    500  
    300  
    535  
    1  
    11  
  
       
  
       
   KAL 50 
    50  
    10  
   0.01-40K 
   0.02-12K 
    1300  
    600  
    995  
    1  
    30  
  
       
  
       
   KAL 80 
    80  
    45  
   0.1-3.0K 
   0.1-3.0K 
    1500  
    1000  
    995  
    3  
    90  
  
       
  
       
   KAL 100 
    100  
    50  
   0.4-50K 
   0.12-25K 
    1900  
    1340  
    995  
    3  
    160  
  
       
  
       
   KAL 250 
    250  
    60  
   0.6-80K 
   0.15-40K 
    2500  
    1750  
    4765  
    3  
    480  
  
       
  
       
   KAL 300 
    300  
    70  
   0.6-90K 
   0.15-50K 
    2500  
    1750  
    4765  
    3  
    550  
  
       
        

       

       Main performance: 
       

      Reference standard: JIS-C-5202
       

       
  
  
       
   project
      Items      		 
   Standard value
      Standard      		 
   test method
      Test Methods      		 
  
       
  
       
   Short term overload
      Short time overload      		 
   ± 1% 
   2.5 times rated power/5 seconds
      2.5 times power/5 seconds      		 
  
       
  
       
   temperature coefficient
      Temperature Coefficient      		 
   ± 200 PPM/℃ 
   Experimental temperature: Room temperature 100 ℃
      Test temperature: Indoors Temperature. 100 ℃      		 
  
       
  
       
   Heat resistance
      Resistance to solver head      		 
   ± 1% 
   Soldering temperature: 350 ± 10 ℃, time: 3 seconds
      Solder Temperature: 350 ± 10 ℃, time: 3 seconds      		 
  
       
  
       
   Voltage withstand
      Dielectric with standing voltage      		 
   No burning or insulation damage
      No breakdown or flashover      		 
   Apply a DC voltage of 500V for 1 minute
      500V for 60 seconds      		 
  
       
  
       
   Moisture resistance load
      Humidity Load Life      		 
   ± 0.5% 
   Temperature: 40 ± 2 ℃, relative humidity: 90-95%, 1 time the rated working voltage, time 1000 hours (1.5 hours on and 0.5 hours off)
      Rated voltage 1.5hr ON, 0.5hr OFF at 40 ± 2 ℃, 90-95&RH for 1000hr      		 
  
       
  
       
   Load life
      Load Life      		 
   ± 2.0% 
   Temperature: 25 ℃, 1 time the rated working voltage, time 1000 hours (1.5 hours on and 0.5 hours off)
      Rated voltage 1.5hr ON, 0.5hr OFF at 25 ℃ for 1000hr      		 
  
       
  
       
   Solderability
      Solderability      		 
   More than 95% of the tin eating area
      At least 95% coverage      		 
   Soldering temperature: 235 ± 5 ℃, time: 2 ± 0.5 seconds
      235 ± 5 ℃ for 2 ± 0.5 seconds      		 
  
       
        

      

      
Model Description: 

       6.jpg