Current Sensing Chip Resistors
FEATURES
•
•
•
•
SURFACE MOUNTABLE 0402 ~ 7520 CASE SIZE
PRECISON TOLERANCE (±1%)
POWER RATINGS UP TO 3 WATTS
Pb-FREE REFLOW COMPATIBLE
NCST Series
RoHS
Compliant
includes all homogeneous materials
*See Part Number System for Details
CHARACTERISTICS
Type
EIA
Size
0402
0603
0805
1206
2010
2512
Power Rating at
70°C
1/16W
1/10W
1/8W
1/4W
3/4W
1W
2% (G)
5% (J)
1% (F)
2% (G)
5% (J)
1% (F)
2% (G)
5% (J)
1% (F)
2% (G)
5% (J)
Resistance
Tolerance
1% (F)
2% (G)
5% (J)
1% (F)
2% (G)
5% (J)
Temperature
Coefficient (°C)
±200ppm (F)
±300ppm (G)
±400ppm (H)
±200ppm (F)
±300ppm (G)
±400ppm (H)
±600ppm (J)
±200ppm (F)
±300ppm (G)
±400ppm (H)
±600ppm (J)
±300ppm (G)
±150ppm (X)
±200ppm (F)
±100ppm (E)
±150ppm (X)
±200ppm (F)
±300ppm (G)
Resistance
Range
501mΩ ~ 1Ω
101mΩ ~ 500mΩ
50mΩ ~ 100mΩ
501mΩ ~ 1Ω
101mΩ ~ 500mΩ
51mΩ ~ 100mΩ
20mΩ ~ 50mΩ
501mΩ ~ 1Ω
51mΩ ~ 500mΩ
21mΩ ~ 50mΩ
10mΩ ~ 20mΩ
1mΩ ~ 4mΩ
11mΩ ~ 350mΩ
5mΩ ~ 10mΩ
31mΩ ~ 3.0Ω
21mΩ ~ 30mΩ
6mΩ ~ 20mΩ
3mΩ ~ 5mΩ
Resistance
Range (Codes)
R501 ~ 1R00
R101 ~ R500
R050 ~ R100
R501 ~ 1R00
R101 ~ R500
R051 ~ R100
R020 ~ R050
R501 ~ 1R00
R051 ~ R500
R021 ~ R050
R010 ~ R020
R001 ~ R004
R011 ~ R350
R005 ~ R010
R031 ~ 1R00
R021 ~ R030
R006 ~ R020
R003 ~ R005
-55°C ~ +155°C
Operating
Temp. Range
(°C)
NCST04
NCST06
NCST10
NCST12*
NCST50*
NCST100*
NCST200
0830
2W
NCST300
1225
3W
*Available with a ±100ppm (E) TCR (100mΩ ~ 1Ω)
Power Derating Curve:
For operation above 70°C, power rating
must be derated according to the following chart:
100
Percentage of Power Rating
80
60
40
30
20
0
0
20
40
60 70 80
155°C
100 120 140 160
Temperature °C
NIC COMPONENTS CORP.
www.niccomp.com
www.lowESR.com
www.RFpassives.com
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33
Current Sensing Chip Resistors
ENVIRONMENTAL CHARACTERISTICS
Item
Temperature
Coefficient of
Resistance
Thermal Shock
Specification
As Specified
Test Method
MIL-STD-202, Method 304
+25/-55/+25/+125/+25°C
MIL-STD-202, Mehtod 107G
-55°C ~ +150°C, 100 cycles
JIS-C-5202-5.5
RCWV x 2.5 or Max.
Overloading Voltage for 5
sec.
MIL-STD-202F Method 301
Apply Max. Overload
Voltage for 1 minute
MIL-STD-202F Method 302
Apply 100Vdc for 1 minute
JIS-C-5202-7.2
96 hrs @ 155°C without load
MIL-STD-202 Method 108
RCWV @ 70°C, cycles of 1.5
hours ON, 0.5 hrs OFF
for 1,000 ~ 1,048 hrs
MIL-STD-202F Method 210E
260°C ±5°C for
10 sec. ±1 sec.
MIL-STD-202 Method 103B
40°C, 90 ~ 95% RH, RCWV
1.5 hours ON, 0.5 hours
OFF, total 1000 ~ 1048 hours
JIS-C-5202-7.1
1 hour -65°C followed by 45
minutes of RCWV
MIL-STD-202F Method 208H
245°C ±5°C for 5 sec. ±0.5
sec.
JIS-C-5202-6.1.4
Bending Amplitude 3mm for
10 seconds
NCST Series
±0.5%
Short Time
Overload
Dielectric
Withstanding
Voltage
Insulation
Resistance
Resistance
to dry heat
Load Life
±0.5%
by Type
>1000MΩ
±0.5%
±1%
Resistance to
Soldering Heat
Humidity
(Steady State)
Low Temperature
Operation
±0.5%
±0.5%
±0.5%
Solderability
95% min.
coverage
Bending Strength
As Specified
PART NUMBER SYSTEM
NCST10 F R501 F TR F
RoHS compliant
Packaging: TR = Tape & Reel
TCR Code: E=100ppm, X=150ppm, F=200ppm,
G=300ppm, H=400ppm, J=600ppm
Resistance Code: See examples
Tolerance Code: J=5%, G=2%, F=1%
Series and Size
34
NIC COMPONENTS CORP.
www.niccomp.com
www.lowESR.com
www.RFpassives.com
www.SMTmagnetics.com
Current Sensing Chip Resistors
AVAILABLE VALUES AND PART NUMBERS
Available
Value Range
50mΩ ~ 100mΩ
0402
Size
1/16W
NCST04 * R050HTRF
NCST04 * R101GTRF
101mΩ ~ 500mΩ
NCST04 * R501FTRF
NCST04 * R501FTRF
501mΩ ~ 1.0Ω
NCST04 * 1R00FTRF
Available
Value Range
20mΩ ~ 50mΩ
NCST06 * R050JTRF
NCST06 * R051HTRF
0603
Size
1/10W
51mΩ ~ 100mΩ
NCST06 * R100HTRF
NCST06 * R101GTRF
101mΩ ~ 500mΩ
NCST06 * R500GTRF
NCST06 * R501FTRF
501mΩ ~ 1.0Ω
NCST06 * 1R00FTRF
Available
Value Range
20mΩ ~ 50mΩ
NCST10 * R050JTRF
NCST10 * R051HTRF
0805
Size
1/8W
51mΩ ~ 100mΩ
NCST10 * R100HTRF
NCST10 * R101GTRF
101mΩ ~ 500mΩ
NCST10 * R500GTRF
NCST10 * R501FTRF
501mΩ ~ 1.0Ω
NCST10 * 1R00FTRF
Available
Value Range
10mΩ ~ 20mΩ
NCST12 * R020JTRF
NCST12 * R021HTRF
21mΩ ~ 50mΩ
1206
Size
1/4W
NCST12 * R050HTRF
NCST12 * R051GTRF
51mΩ ~ 500mΩ
NCST12 * R500GTRF
NCST12 * R501FTRF
501mΩ ~ 1.0Ω
NCST12 * 1R00FTRF
NCST12 * R100ETRF
100mΩ ~ 1.0Ω
NCST12 * 1R00ETRF
1,000
1,000
100
±100ppm (E)
51
501
±200ppm (F)
50
51
±300ppm (G)
20
21
±400ppm (H)
Part Number
NCST12 * R010JTRF
1,000
Resistance
Value (mΩ)
10
500
501
±200ppm (F)
Available
TCR
±600ppm (J)
100
101
±300ppm (G)
50
51
±400ppm (H)
Part Number
NCST10 * R020JTRF
1,000
Resistance
Value (mΩ)
20
500
501
±200ppm (F)
Available
TCR
±600ppm (J)
100
101
±300ppm (G)
50
51
±400ppm (H)
Part Number
NCST06 * R020JTRF
1,000
Resistance
Value (mΩ)
20
500
501
±200ppm (F)
Available
TCR
±600ppm (J)
100
101
±300ppm (G)
Part Number
NCST04 * R050HTRF
Resistance
Value (mΩ)
50
±400ppm (H)
Available
TCR
NCST Series
*Tolerance Codes: 1% (F), 2% (G) or 5% (J)
NIC COMPONENTS CORP.
www.niccomp.com
www.lowESR.com
www.RFpassives.com
www.SMTmagnetics.com
35
Current Sensing Chip Resistors
AVAILABLE VALUES AND PART NUMBERS
Available
Value Range
10mΩ ~ 20mΩ
NCST50 * R020JTRF
NCST50 * R021HTRF
21mΩ ~ 50mΩ
2010
Size
3/4W
NCST50 * R050HTRF
NCST50 * R051GTRF
51mΩ ~ 500mΩ
NCST50 * R500GTRF
NCST50 * R501FTRF
501mΩ ~ 1.0Ω
NCST50 * 1R00FTRF
NCST50 * R100ETRF
100mΩ ~ 1.0Ω
NCST50 * 1R00ETRF
Available
Value Range
10mΩ ~ 20mΩ
NCST100 * R020JTRF
NCST100 * R021HTRF
21mΩ ~ 50mΩ
2512
Size
1W
NCST100 * R050HTRF
NCST100 * R051GTRF
51mΩ ~ 500mΩ
NCST100 * R500GTRF
NCST100 * R501FTRF
501mΩ ~ 1.0Ω
NCST100 * 1R00FTRF
NCST100 * R100ETRF
100mΩ ~ 1.0Ω
NCST100 * 1R00ETRF
Available
Value Range
1mΩ ~ 4mΩ
0830
Size
2W
NCST200 * R004GTRF
NCST200 * R005FTRF
5mΩ ~ 10mΩ
NCST200 * R010FTRF
NCST200 * R011XTRF
11mΩ ~ 350mΩ
NCST200 * R350XTRF
Available
Value Range
3mΩ ~ 5mΩ
NCST300 * R005GTRF
NCST300 * R006FTRF
1225
Size
3W
6mΩ ~ 20mΩ
NCST300 * R020FTRF
NCST300 * R021XTRF
21mΩ ~ 30mΩ
NCST300 * R030XTRF
NCST300 * R031ETRF
31mΩ ~ 3.0Ω
NCST300 * 3R00ETRF
3,000
30
31
±100ppm (E)
20
21
±150ppm (X)
5
6
±200ppm (F)
Part Number
NCST300 * R003GTRF
500
Resistance
Value (mΩ)
3
10
51
±150ppm (X)
Available
TCR
±300ppm (G)
4
5
±200ppm (F)
Part Number
NCST200 * R001GTRF
1,000
Resistance
Value (mΩ)
1
1,000
100
±100ppm (E)
Available
TCR
±300ppm (G)
500
501
±200ppm (F)
50
51
±300ppm (G)
20
21
±400ppm (H)
Part Number
NCST100 * R010JTRF
1,000
Resistance
Value (mΩ)
10
1,000
100
±100ppm (E)
Available
TCR
±600ppm (J)
500
501
±200ppm (F)
50
51
±300ppm (G)
20
21
±400ppm (H)
Part Number
NCST50 * R010JTRF
Resistance
Value (mΩ)
10
Available
TCR
±600ppm (J)
NCST Series
*Tolerance Codes: 1% (F), 2% (G) or 5% (J)
36
NIC COMPONENTS CORP.
www.niccomp.com
www.lowESR.com
www.RFpassives.com
www.SMTmagnetics.com
Current Sensing Chip Resistors
DIMENSIONS (mm)
Type
NCST04
NCST06
NCST10
NCST12
NCST50
NCST100
NCST200
NCST300
Case Size
0402
0603
0805
1206
2010
2512
0830
1225
Length
(L)
1.00 ±0.05
1.60 ±0.10
2.00 ±0.10
3.05 ±0.15
5.00 ±0.20
6.35 ±0.20
2.00 ±0.20
3.10 ±0.15
Width
(W)
0.50 ±0.05
0.80 ±0.10
1.25 ±0.10
1.55 ±0.15
2.45 ±0.15
3.15 ±0.15
7.50 ±0.30
6.30 ±0.15
Thickness
(T)
0.32 ±0.05
0.45 ±0.10
0.50 ±0.10
0.60 ±0.10
0.60 ±0.10
0.60 ±0.10
0.60 ±0.10
0.90 ±0.15
TerminatIon Width
(P1)
0.25 ±0.10
0.30 ±0.20
0.30 ±0.20
0.50 ±0.20
0.60 ±0.30
0.60 ±0.30
0.40 ±0.20
0.60 ±0.30
TerminatIon Width
(P2)
0.20 ±0.10
0.30 ±0.20
0.30 ±0.20
0.40 ±0.20
0.50 ±0.25
0.50 ±0.25
0.40 ±0.20
0.55 ±0.25
NCST Series
Case Sizes
0402, 0603, 0805, 1206, 2010 & 2512
Case Sizes
1225 & 7520
L
L
W
W
T
R100
P
2
P
1
P
2
T
P
1
LAND PATTERN DIM. (mm)
A
NCST04
NCST06
NCST10
NCST12
NCST50
NCST100
NCST200
NCST300
0.50
0.70
1.00
1.15
1.40
1.60
2.00
2.00
B
0.50
0.80
1.00
2.00
3.60
4.90
1.20
2.00
C
0.60 ±0.2
0.90 ±0.2
1.35 ±0.2
1.70 ±0.2
2.40 ±0.2
3.00 ±0.2
7.60 ±0.2
7.60 ±0.2
C
A
B
NIC COMPONENTS CORP.
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www.RFpassives.com
www.SMTmagnetics.com
37
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