RLM Metal Foil Current Sensing Chip Resistors ¡@

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Features
  • Ultra low resistance (down to 1m£[),
    Suitable for large current detecting
  • Extremely low TCR
  • Over coating: Molding compound
    UL-94 V-0 grade
 

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Application
  • Power unit (VRM) for CPU
  • Battery chargers
  • Power supply
  • DC/DC converter
 
 
Construction
 
Type Designation  
RLM 25 F E C R002
Product Code Size
Power Rating		 Tolerance Packaging Power Rating Resistance
Current Sensing
Resistors		 12:
1206 (3216)mm
20:
2010 (5025)mm
25:
2512 (6432)mm		 F: ¡Ó1%
G: ¡Ó2%
J: ¡Ó5%

 

 E: Embossed Tape

 

 A=1/4W
S=1/2W 
C= 1W 
D=1 1/2W 
E= 2W		 4 Digits (E-96) e.g., R002=2m„¬ R010=10m„¬

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Dimensions  


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Unit¡Gmm
Type 
L 
W 
C 
t 
Material
PDF

RLM12

3.2¡Ó0.2

1.6¡Ó0.2

0.5¡Ó0.2

0.7¡Ó0.2

 Metal: Copper-Nickel Alloy or
Copper-Manganese Alloy
Over Coating: molding
Compound UL-94 V-0 grade

RLM20

5.0¡Ó0.2

2.5¡Ó0.2

0.6¡Ó0.3

0.7¡Ó0.2
(MnCu)
(NiCu)

RLM25

6.4¡Ó0.2

3.2¡Ó0.2

2.0¡Ó0.2(¡Ø2m£[)
0.9¡Ó0.2(>3m£[)

0.6¡Ó0.2
(MnCu)
(NiCu)
 
Ratings  

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Type
Feature
RLM12
RLM20
RLM25
Power Ratings
1/4 W & 1/2W
1W
1W
2W
Resistance Value
5~20m£[
3~30m£[
1~50m£[
1~10m£[
Temperature Coefficient of Resistance
-55¢XC~+170¢XC
Tolerance
¡Ó275ppm/¢XC R≤1m£[ 
¡Ó100ppm/¢XC 1m£[<R≤10m£[ 
¡Ó75ppm/¢XC R>10m£[
Insulation Resistance
¡Ó1%, ¡Ó2%, ¡Ó5%
Maximum Working Voltage (V)
(P*R)1/2