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HOME>Products TOP>Leaded Resistors>General (CF Coat-Insulated Fixed Carbon Film Resistors)

Leaded ResistorsCoat-Insulated Fixed Carbon Film Resistors[CF]
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Construction Features Dimensions Type Designation        
Taping &Forming Matrix   Ratings   Derating Curve   Surface Temperature Rise   Load Life      
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Leaded Resistors/Coat-Insulated Fixed Carbon Film Resistors CF

Coating colors :
CFS1/4 : Ivory
Others : Venetian red
Marking : Color code
  Construction
   
Leaded Resistors/Coat-Insulated Fixed Carbon Film Resistors CF Construction
1. Marking
2. Insulation coating
3. Trimming line
4. Ceramic core
5. Electrode cap
6. Lead wire
7. Resistive film
 
Features
 
• General-purpose lead- type resistors.
• Automatic insertion is applicable.
• Various types of formings are available.
• Stronger in pulse resistance than chip resistors of the same power.
• The smaller type of 1/4W(CFS 1/4)is available.
• Products meet EU-RoHS requirements.
 
 
Dimensions
Type
 Dimensions (mm) Weight(g)
(1000pcs)
L C Max. D d(Nominal)
CFS1/4 3.20.2 3.4
1.7 +0.2
-0.1
0.45 20min. 150
CF1/4 6.10.5 7.1 2.30.3 0.6 240
CFB1/2 9.01.0 11.0 3.50.5 0.7 520
CFS1/2 6.30.5 7.1 2.850.3 0.6 290
   
Type Designation

CF   1/4   C   T52   A   103   J
           
Product Code   Power Rating   Terminal
Surface Material		   Taping &
Forming		   Packaging   Nominal Resistance   Resistance Tolerance
    S1/4 : 0.25W
1/4 : 0.25W
B1/2 : 0.5W
S1/2 : 0.5W		   C : SnCu
   See table
below		   A : AMMO
R : REEL		   3digits
   G : 2%
J : 5%  
                 
                       
Contact us when you have control request for environmental hazardous material other than the substance specified by EU-RoHS.
For further information on taping and forming,please refer to Common Specification.
 
Taping &Forming Matrix
Type
 Axial Taping Radial Taping U Forming M Forming
T26 T52 VT MT MHT
VTP
VTE
U
UCL
M5
M10
M12.5
M12.5
CFS1/4C — — — M5F — — —
CF1/4C — — — — M10H M12.5H —
CFB1/2C — — — — — — — — — — — M12.5K
CFS1/2C — — — — M10H — —

   
Ratings

Type
 Power Rating Resistance Range
()(E24)		 T.C.R.
(×10-6/K)
 Max.Working Voltage Max.Overload Voltage Dielectric Withstanding
Voltage
G : 2%
 J :5% +350~ - 450 0 ~-700 0 ~-1000 0 ~-1300
CFS
1/4C		 0.25W 10 ~ 330K 2.2 ~ 1M 2.2 ~ 47k 51k ~ 100k 110k ~ 330k 360k ~ 1M 250V 500V 300V
CF
1/4C		 0.25W 10 ~ 1M 2.2 ~ 5.1M 2.2 ~ 100k 110k ~ 330k 360k ~ 1M 1.1M ~ 5.1M 300V 600V 500V
CFB 1/2C 0.5W 2.2 ~ 100k 110k ~ 1M 1.1M ~ 2.2M 2.4M ~ 5.1M 400V 800V 700V
CFS 1/2C 0.5W 2.2 ~ 91k 100k ~ 1M 1.1M ~ 2.2M 2.4M ~ 5.1M 350V 700V
Rated Ambient Temperature : +70
Operating Temperature Range : -55 ~ +155
Rated voltage=√(Power Rating×Resistance value) or Max.working voltage, whichever is lower.
   
Derating Curve

Leaded Resistors/Coat-Insulated Fixed Carbon Film Resistors CF Derating Curve
For resistors operated at an ambient temperature of 70 or above,a power rating shall be derated in accordance with the left derating curve.

   
Surface Temperature Rise

Leaded Resistors/Coat-Insulated Fixed Carbon Film Resistors CF Surface Temperature Rise
 
   
Load Life At 70 1000Hr

Leaded Resistors/Coat-Insulated Fixed Carbon Film Resistors CF Load Life
 

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