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HOME>Products TOP>Resistors(SMD) >Low Resistance Resistors(LR72 Surface Mount Type Custom Milliohm Resistors)

Surface Mount Resistors Surface Mount Type Custom Milliohm Resistors[LR72]

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Construction Features Dimensions Type Designation Ratings Derating Curve
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Construction
 
Surface Mount Resistors/Surface Mount Type Custom Milliohm Resistors LR72
 
 
Features
 
The super low resistance (2m - )is suitable to sense large current.
All custom-made products.
Easy soldering. Applicable for reflow soldering.
An automatic mounting machine is applicable.
Products with lead free termination meet EU-RoHS requirements.
 
 
Dimensions
Surface Mount Resistors/Surface Mount Type Custom Milliohm Resistors LR72 Construction
1. Resistive wire
2. Solder coat

Type

Dimensions(mm)
a
LR72A 5.20.2
LR72B 3.00.2
LR72C 3.20.4
 
   
Type Designation
LR   72   A   N   TE   8L0   J
           
Product
Code
  Element
Symbol
  Process
Style
  Terminal
Surface Material
  Taping   Nominal*3
Resistance
  Resistance
Tolerance
    72: A, B, C-Style   A
B
 

N: Non-presolder *1

  TE: Taping   3digits   J: 5%
C

D: SnAgCu *2

Contact us when you have control request for environmental hazardous material other than the substance specified by EU-RoHS.
For further information on taping, please refer to Common Specification.
*1 Only A and B styles are Non-presolder type.
*2 Oniy C style is SnAgCu type.
*3
Resistance Value(omega) 3digits
2m~8m 2L0~8L0
 
   
Ratings


Type

Symbol

Power Rating
*4

Resistance
Range(m)

*5

Resistance
Tolerance

T.C.R.
(×10-6/K)

Rated Ambient
Temp.

Operating Temp.
Range
LR72A 72 0.5W 2 ~ 8 J:5% 100 +70 -40~ +180
LR72B 72 0.25W 3 ~ 5
LR72C 72 1W 2,3 350 +85 -40 ~ +155
*4 Rated power in case of glass epoxy resin (FR-4) is used for the substrate material.
*5 Plaese consult with us in advance about resistance value for custom-made products.
Other, shapes and resistances than the above are also available on request.
   
Derating Curve

Surface Mount Resistors/Surface Mount Type Custom Milliohm Resistors LR72 Derating Curve
For resistors operated at an ambient temperature of 70 or left, a power rating shall be derated in accordance with the left derating curve.
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