14 | 06 | 2009
SQM Series Cement Wire Wound Resistors Print
Cement Resistor - Cement Resistor - Series
Written by SQM Type   
Monday, 09 June 2008 11:09

  SQM Series Cement Wire Wound Resistors

SQM Series Cement Wire Wound Resistors   
          
          
          
          
DIMENSIONS (mm) :         
            

STYLE

DIMENSION (mm)

 

 

 

 

SQM

Normal

Mini.

Normal

Mini.

Normal

Mini.

Φd

 

 

 

 

L

W

S

 

 

 

 

2W

20±1

-----

11±1

-----

7.0±1.0

-----

0.80±.05

 

 

 

 

3W

25±1.5

20±1.5

12±1

11±1

8.0±1.0

7.0±1.0

0.80±.05

 

 

 

 

5W

25±1.5

25±1.5

13±1

12±1

9.0±1.0

8.0±1.0

0.80±.05

 

 

 

 

7W

39±1.5

25±1.5

13±1

13±1

9.0±1.0

9.0±1.0

0.80±.05

 

 

 

 

10W

51±1.5

35±1.5

13±1

16±1

10±1

12±1

0.80±.05

    
    
    
    
    
    
    
    
            
ELECTRICAL CHARACTERISTICS:        
            
Style \ Power Rating 70oCSQM-2WSQM-3WSQM-5WSQM-7WSQM-10W    
SQM-3WSSQM-5WSSQM-7WSSQM-10WS-----    

Operating Temp. Range

-55oC ~ +155oC

 

 

 

 

Max. Working Voltage

250V

350V

350V

500V

500V

 

 

 

 

Max. Overload Voltage

500V

700V

700V

1000V

1000V

 

 

 

 

Dielectric Withstanding Voltage (AC)

500V

700V

700V

1000V

1000V

 

 

 

 

Value Range ±5% (Ceramic core)

0.1 ~47Ω

0.1 ~100Ω

0.1 ~180Ω

0.1 ~470Ω

0.1 ~680Ω

 

 

 

 

Value Range ±5% (Metal Oxide Film)

48 ~100KΩ

101 ~100KΩ

180 ~100KΩ

471 ~10KΩ

681 ~10KΩ

 

 

 

 

Temp. Coefficient

±300ppm/oC

    

 

    
    
    
    
    
    
    
*  a.  Standard resistance is as the above list, below or over this resistance is on request.    
    b.  Value for Non-Inductive type is up to 50Ω  only    
            
ENVIRONMENTAL CHARACTERISTICS :       
            
PERFORMANCE TESTTEST METHODAPPRAISE
Short Time OverloadJIS-C-5202 5.5 : 2.5 times RCWV for 5 seconds(±2%+0.05Ω)
Dielectric Withstanding V.JIS-C-5202 5.7 : in V-Block for 60 secondsBy Type
Temperature CoefficientJIS-C-5202 5.2 : -55oC ~+155oCMAX. 300ppm/oC
Insulation ResistanceJIS-C-5202 5.6 : in V-Block1000 MΩ
SolderabilityJIS-C-5202 6.5 : 235oC 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 leads2.5KG/24.5N
Pulse OverloadJIS-C-5202 5.8 : 4 time RCWV 10000 cycles(1 sec.on, 25 sec.off)(±2%+0.05Ω)
Load Life in HumidityJIS-C-5202 7.9 : 40±2oC, 90~95% RH at RCWV for 1000 hrs (1.5hrs. on, 0.5 hrs. off)(±5%+0.05Ω)
Load LifeJIS-C-5202 7.10 : 70oC at RCWV for 1000hrs (1.5hrs.on, 0.5hrs.off)(±5%+0.05Ω)
Temperature CyclingJIS-C-5202 7.4 : 65oC~room temp.~150oC~room temp for 5 cycle(±2%+0.05Ω)
Soldering HeatJIS-C-5202 6.4 : 350±10oC for 3±0.5 seconds(±1%+0.05Ω)
            
 

 

Last Updated ( Wednesday, 27 May 2009 22:48 )