FLAMEPROOF METAL PLATE RESISTORS (MPR)
 
 
Features
 
MPR (Flameproof Metal Plate Resistor) is with the features of high reliability, non-inductive, and space saving, and applied for various electronic equipments.
  • High reliability.

  • Non-Inductive type.

  • Space saving.

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Characteristic Performance
  

Item

Performance

Operating Temp. Range -55J ~ +155J
DC Resistance

DC Resistance value must be within the specified tolerance.

Temperature Coefficient

Within ±300PPM/J

Short Time Overload

Within ±(2%+0.05[), No evidence of arcing, or charring.

Insulation Resistance

103M[ or more

Dielectric Withstanding Voltage

No evidence of flashover mechanical damage, arcing or insulation breakdown.

Terminal Strength

No evidence of mechanical damage.

Rsistance to vibration

No evidence of mechanical damage.

Resistance to Soldering Heat

Within ±(2%+0.05[), no evidence of mechanical damage.

Solderability

Covered with new solder by 95% at least.

Resistance to Solvent

No visible damage to protective coating and marking.

Temperature Cycle

Within ±(2%+0.05[), no evidence of mechanical damage.

Load Life in Humidity

Within ±(5%+0.05[)

Load Life

Within ±(5%+0.05[)

Flammability

No evidence of flame.

High Temperature Storage

No evidence of mechanical damage.

  
Derating Curve
  

  
Surface Temperature Rise
  

  
Structure & Material
  

No.

Item Material

1

Resistance Element

The resistor element consists of heat resistant plate of Copper-Nickel, Nickel-Chrome or Iron-Chrome.

2

Lead Wire

Soldered or tinned annealed iron wire.

3

Enclosing Material

Special non-flame cement.

4

Ceramic Case

High thermal conductive ceramic case.

  
Dimensions
  

Style Power
Rating
Dimensions (mm)

Maximum Working Voltage

Maximum Overload Voltage

Resistance Range

W

L±1

H

P±1

d±0.1

e±0.5

MPR 2W 2W 13.0±1.0 4.0 8.5±1.0 9.0 0.8±1.0 2.0

0.01[ ~ 0.6[8

MPR 3W 3W 14.0±1.0 5.0 13.0±1.0 9.0 0.8±1.0 2.0

0.01[ ~ 0.68[

MPR 5W 5W 14.0±1.0 5.0 18.0±1.0 9.0 0.8±1.0 2.0

0.01[ ~ 1.0[

MPR 10W 10W 26.0±1.5 5.0 17.0±1.5 20.0 0.8±1.0 2.0

0.05[ ~ 1.0[

MPR 2W+2W 10W 26.0±1.5 5.0 9.5±1.5 10.0 0.8±1.0 2.0

0.05[ , 0.1[
0.22
[ ~ 0.56[

MPR 3W+3W 10W 26.0±1.5 5.0 13.0±1.5 10.0 0.8±1.0 2.0
MPR 5W+5W 10W 26.0±1.5 5.0 17.0±1.5 10.0 0.8±1.0 2.0
MPR 7W+7W 10W 26.0±1.5 5.0 20.0±1.8 10.0 0.8±1.0 2.0

Note: Special resistance range ma. 10[, but character is not guaranteed.

 
How to Order
 

Ex.: MPR5W-F-0.15RJ

MPR 5W

V

F

V

0.15R J
   
Product Style (Type) Rated Power (Watts)   Form Type   Resistance Value Resistance Tolerance

 MPR

(Flameproof Metal Plate Resistorsl)

 

   

  

   

  

   

  

   

  

   

  

2W

3W

5W

10W

2W+2W

3W+3W

5W+5W

7W+7W

 

Blank :

 Straight Style

F :

 Forming Style

 

 

  

 

  

 

  

 

  

 

 

(R = [)

E-12 Series

E-24 Series

 

 

  

  

  

K :

  ±10%

J :

  ±5%

  

 

  

 

  

 

 

 

 

 

 

 

 
 


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