1. Rs = Current Sensing Resistor
Current Sensing Resistors
Rs = Current Sensing Resistor
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2. NCLS Series Current Sensing Resistors
Metal Foil on Ceramic Current Sensing Resistors
NCLS series is ideal for use in high density low voltage high current circuits; including DC-DC, POL, voltage regulators and power converter applications.
RoHS and REACH compliant, NCLS series is supplied on tape and reel packaging, for automated pick and placement and are compatible with Pb-Free reflow soldering.
Typical unit pricing ranges from $0.03 to $0.06 USD each, when purchased in production volumes
Circuit Applications:
Current Sensing
Load Balancing
Power Management
Point of Load Regulators
DC-DC Convertors
Op Amps & Amplifiers
Fuse Monitoring
Supply Voltage Monitoring
Features:
Small 0603, 0805 & 1206 sizes
Low Profile; 0.60  0.90mm Height
Lower surface temperature
High pulsed power capability (No trimming performed)
Typically lower cost than metal strip type
-55°C  +155°C operating temp range (power derated above +70°C).
0.25W 1W rating (Current rating; 3.5A 12.9A)
Stable TCR: 100PPM/°C
Resistance range: 5mΩ ~ 40mΩ
Precision ±1%, ±2%, ±5% tolerances (F, G, J tolerances)
End-Product Applications:
Power Supplies
Commercial
Industrial
Telecomm
Green Power
Test & Instrumentation
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3. NCLS Series Current Sensing Resistors
Metal Foil on Ceramic Current Sensing Resistors
¼W 1W
1%  5%
100 PPM
5mΩ  40mΩ
 Cross – replace the below competitor PNs
Competitor
Series PNs (construction)
Cyntec
RLxxxx
(Foil on Ceramic)
Koa
TLR__ (1,2,H,Z)
(Metal Plate)
SEI
CSRF___
Susumu
KRLxxxx
Vishay
WSL____
(Metal Alloy)
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4. High Current Capability: 3W rating @ 1mΩ = 54.8A
Current Sensing Resistors
THERMAL EMF CHARACTERISTICS:
Mn-Cu Construction: Thermal EMF = -1μV/°C
Ni-Cu Construction: Thermal EMF = -40μV/°C
Fe-Al-Cr Construction: Thermal EMF = 1.45μV/°C
NCLP Series
Metal Strip Current Sensing Resistors
Case Size:
2512
1W 3W
1%  5%
75 PPM
1mΩ  500mΩ
High Current Capability: 3W 1mΩ = 54.8A
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5. 1206 Size Current Capability: 1W rating @ 1mΩ = 31.6A
Current Sensing Resistors
THERMAL EMF CHARACTERISTICS:
Mn-Cu Construction: Thermal EMF = -1μV/°C
Ni-Cu Construction: Thermal EMF = -40μV/°C
NCSS Series
Metal Strip Current Sensing Resistors
Multiple Case Sizes:
0805
1206
2010
2512
⅛W 2W
1%  5%
75  275PPM
1mΩ  50mΩ
Page 5
1206 Size Current Capability: 1W 1mΩ = 31.6A

6. Current Sensing Resistors
Metal Strip Current Sensing Resistors
2512 Size
1W 3W
75 PPM
1%  5%
1mΩ  500mΩ
NCLP
mΩ Values
1.0 68
1.1 70 2 75 3 80 4 85 5 90 7
100 8
120 10
130 11
140 12
150 15
180 18
200 20
220 22
240 25
270 27
280 30
300 33
400 39
500 40 47 50 57 60
NCSS
mΩ Values 1
1.5 2 3 4 5 6 7 8 9 10 11 12 14 15 18 20 22 24 25 30 33 35 40 50
Sizes:
0805, 1206
2010, 2512
⅛W 2W
75 PPM  275PPM
1%  5%
1mΩ  50mΩ
Ni-Cu
EMF = -40μV/°C
Mn-Cu
EMF = -1μV/°C
Mn-Cu
EMF = -1μV/°C
Ni-Cu
EMF = -40μV/°C
Fe-Al-Cr
EMF = 1.45μV/°C
NCLP Advantages
High Power Rating
Low 75PPM TCR
Wide R value Range
Low EMF
NCSS Advantages
Small Sizes
Low EMF option
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7. Current Sensing Resistors
Metal Strip Current Sensing Resistors
Circuit Applications:
Current Sensing
Load Balancing
Power Management
Point of Load Regulators
DC-DC Convertors
Op Amps & Amplifiers
Fuse Monitoring
Supply Voltage Monitoring
Rs = Sensing Resistor
 Cross the below competitor PNs
End Products:
Power Supplies
Commercial
Industrial
Telecomm
Green Power
Test & Instrumentation
NIC Components
(Metal Strip)
KOA
(Metal Plate)
Panasonic
(Thick Film)
SEI
(Foil on Ceramic)
Vishay
(Metal Alloy)
NCLP (2512, 1~3W)
TLR3A, TLR3AW
ERJL1W
CSRF2512
WSL2512
NCSS10S (0805, 1/4W)
n/a
ERJ6B
CSRF0805
WSL0805
NCSS12S (1206, 1/2W)
TLR2B
ERJ8B
CSRF1206
WSL1206
NCSS20C (2010, 1W)
TLR2H
ERJL1D
CSRF2010
WSL2010
NCSS25C (2512, 1W)
TLR3A
NCSS25E (2512, 2W)
TLR3AW
Co-sell with NIC Products:
NPIM_P – SMT Power Inductors
Metal Composite Shielded; High Current - Low Loss
NMC – High Cap Series MLCCs
High Capacitance: X7R, X6S, X5R, Y5V
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8. Current Sensing Resistors
Resistance Value
Power Ratings
Case Size – P/N Prefix
R value
0.125W
0.25W
0.50W
0.75W
1.0W
1.5W
2.0W
3.0W
1mΩ 
NCSS12A
NCSS12S
NCSS12C NCLP25C NCSS25C
NCLP25D
NCLP25E
NCLP25G
1.1mΩ
NCLP25C
1.5mΩ
NCSS25C
- - - 
2mΩ
3mΩ
4mΩ
NCSS12C NCLP25C
5mΩ
NCSS10B
NCLS NCSS10A NCSS12A
NCSS10S NCSS12S NCSS20S
NCSS20I
NCSS12C NCSS20C NCLP25C
NCSS20D NCLP25D
6mΩ
NCLS NCSS10S NCSS20S
NCSS20D
7mΩ  
NCSS10S NCSS12S
NCLS NCSS12C NCLP25C
8mΩ
NCLS NCSS10S NCSS12S
9mΩ
NCLS NCSS12C
10mΩ
NCLS NCSS10S NCSS12S NCSS20S
NCLS NCSS12C NCSS20C NCLP25C
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9. Current Sensing Resistors
Resistance Value
Power Ratings
Case Size – P/N Prefix
R value
0.125W
0.25W
0.50W
0.75W
1.0W
1.5W
2.0W
3.0W
11mΩ 
NCLS06
NCLS10
NCLS NCLP25C
NCLP25D
NCLP25E
NCLP25G
12mΩ
NCLS NCSS12A
NCSS10S NCSS12S
NCLS NCSS12C NCLP25C
13mΩ
NCLS12
- - - 
14mΩ
NCLS NCSS12C
15mΩ
NCSS10S NCSS12S NCSS20S
NCSS20I
NCLS NCSS12C NCSS20C NCLP25C
NCSS20D NCLP25D
16mΩ
17mΩ
18mΩ
19mΩ
20mΩ
NCSS10B
NCLS NCSS10S NCSS12S NCSS20S
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10. Current Sensing Resistors
Resistance Value
Power Ratings
Case Size – P/N Prefix
R value
0.125W
0.25W
0.50W
0.75W
1.0W
1.5W
2.0W
3.0W
21mΩ    
NCLS10
  
NCLS12
- - - 
22mΩ
NCSS12A
NCLS NCSS20S
NCSS20I
NCLS NCSS12C NCSS20C NCLP25C
NCSS20D NCLP25D
NCLP25E
NCLP25G
23mΩ
  
24mΩ
NCLS NCSS20C
NCSS20D
25mΩ
NCSS10B
NCLS NCSS10S NCSS12S NCSS20S 
NCLS NCSS12C NCLP25C
NCLP25D
26mΩ
27mΩ
28mΩ
29mΩ
30mΩ
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11. Current Sensing Resistors
Resistance Value
Power Ratings
Case Size – P/N Prefix
R value
0.125W
0.25W
0.50W
0.75W
1.0W
1.5W
2.0W
3.0W
31mΩ    
NCLS12
- - - 
32mΩ
33mΩ
NCLS NCLP25C
NCLP25D
NCLP25E
NCLP25G
34mΩ
35mΩ
36mΩ
37mΩ
38mΩ
39mΩ
40mΩ
50mΩ
NCSS20S
NCSS20I
NCLP25C
NCSS20D NCLP25D
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12. Current Sensing Resistors
Resistance Value
Power Ratings
Case Size – P/N Prefix
R value
0.125W
0.25W
0.50W
0.75W
1.0W
1.5W
2.0W
3.0W
57mΩ    
NCLP25C
NCLP25D
NCLP25E
NCLP25G
60mΩ
68mΩ
70mΩ
75mΩ
80mΩ
85mΩ
90mΩ
100mΩ
120mΩ
130mΩ
140mΩ
150mΩ
180mΩ
200mΩ
220mΩ
240mΩ
270mΩ
280mΩ
300mΩ
400mΩ
500mΩ
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13. NIC has broad offering in Performance Passives
Q & A
Open Discussion
NIC has broad offering in Performance Passives
Additional Information Needed?
Need Samples?
Technical Support:
Sales Support:
European Engineering Support
North America Engineering Support
SE Asia Engineering Support
Page 13