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Carbon Film Resistors - CFR Series Print
Resistor Series - Resistor Series
Written by CFR Series   
Tuesday, 10 June 2008 21:02

  Carbon Film Resistors - CFR Series

 PDF FILE CARBON FILM RESISTORS - CFR Series       
           
      
           
TypePopwer FEATURES     
CFR-12:1/6W; 1/8W Industry's lower cost and deliver from stock.   
CFR-25:1/4W Exceptional long-term stability.    
CFR-50:1/2W Exceeds carbon comp MIL-R-11 performance.   
CFR-100:1W Standard tolerance:±2%,±5%.     
CFR-200:2W Variety of packing-bulk, strip pack, 26mm and 52mm tape and reel, cut and formed or radial Pana.
CFR-300:3W          
             
INTRODUCTION           
             
Featuring consistency and stably-controlled, these carbon film resistors with reasonable prices are widely & largely used in the electronic, electrical and information industries.This resistor is a ceramic bar tightly coated with a carbon film which is composed of carbon separated from organic compound through the treatment of high-temperature vacuum.After the carbon-coated bar is connected with proper joint and engraved with grooves, its surface is finished with epoxy resin so that the bar is enclosed with a protective film. 
 
 
 
 
             
DIMENSIONS:         
             
STYLEDIMENSION (mm)POWER RATINGVALUE  
LΦDHΦd(Watt)RANGE  
CFR-123.2±0.21.8±0.328±20.43±0.021/6W ; 1/8W1~10MΩ  
CFR-256.0±0.22.3±0.328±20.5±0.021/4W1~10MΩ  
CFR-509±0.53.2±0.326±20.6±0.021/2W1~10MΩ  
CFR-10011.0±0.54.5±0.535±20.7±0.021W1~10MΩ  
CFR-20015.0±0.55.0±0.532±20.8±0.022W1~10MΩ  
CFR-30017.0±0.56.0±0.532±20.8±0.023W1~10MΩ  
             
ELECTRICAL CHARACTERISTICS:      
             
StyleCR-12CR-25CR-50CR-100CR-100CR-300   
Power Rating 70oC1/6; 1/8W1/4W1/2W1W2W3W   
Operating Temp. Range-55oC ~ +155oC   
Max. Working Voltage200V250V350V500V500V600V   
Max. Overload Voltage400V600V700V1000V1000V500V   
Dielectric Withstanding Voltage (AC)400V500V700V1000V1000V1000V   
Max. Intermittence Overload Voltage500V600V700V1000V1000V1000V   
T.C.R.CR-12 /CR-25 /CR-50(Ω)CR-100 /CR-200 /CR-300 (Ω)   
(PPM)100K down100K~1M1M up100K down100K~1M1M up   
　-0.70 ~ -7000 ~ -1500+350 ~ -5000 ~ -7000 ~ -1500   
             
ENVIRONMENTAL CHARACTERISTICS :      
             
PERFORMANCE TESTTEST METHODAPPRAISE 
Short Time OverloadJIS-C-5202 5.5 : 2.5 times RCWV for 5 seconds±(0.75%+0.05)Ω 
Dielectric Withstanding V.JIS-C-5202 5.7 : in V-Block for 60 secondsBy Type 
Temperature CoefficientJIS-C-5202 5.2 : -55oC ~+155oCBy Type 
Insulation ResistanceJIS-C-5202 5.6 : in V-Block≧1000 MΩ 
SolderabilityJIS-C-5202 6.5 : 230oC for 5±0.5 seconds95% min. coverage 
Resistance to SolventJIS-C-5202 6.9 : Trichroethance for 1 min. with ultrasonicno deterioration 
Terminal StrengthDirect load for 10 sec. In the direction of the terminal leads≧2.5KG/24.5N 
Pulse OverloadJIS-C-5202 5.8 : 4 time RCWV 10000 cycles(1 sec.on, 25 sec.off)±(2%+0.05)Ω 
Load Life in HumidityJIS-C-5202 7.9 : 40±2oC, 90~95% RH at RCWV for 1000 hrs±(3%+0.05)Ω 
(1.5hrs. on, 0.5 hrs. off) 
Load LifeJIS-C-5202 7.10 : 70oC at RCWV for 1000hrs (1.5hrs.on, 0.5hrs.off)±(3%+0.05)Ω 
Temperature Cycling　±(1%+0.05)Ω 
Soldering Heat　±(1%+0.05)Ω 
             
 
 
 
             
 
 
 
 
 
 
 

 

 

 

 
Last Updated ( Sunday, 12 October 2008 11:47 )
 
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