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Current Sensing Chip Resistors NCST Series
Type EIA
Size
Power Rating at
70°C
Resistance
Tolerance
Temperature
Coef cient (°C)
Resistance
Range
Resistance
Range (Codes)
Operating
Temp. Range (°C)
NCST04 0402 1/16W
1% (F)
2% (G)
5% (J)
±200ppm (F) 501mΩ ~ 1ΩR501 ~ 1R00
-55°C ~ +155°C
±300ppm (G) 101mΩ ~ 500mΩR101 ~ R500
±400ppm (H) 50mΩ ~ 100mΩR050 ~ R100
NCST06 0603 1/10W 1% (F)
2% (G)
5% (J)
±200ppm (F) 501mΩ ~ 1ΩR501 ~ 1R00
±300ppm (G) 101mΩ ~ 500mΩR101 ~ R500
NCST10 0805 1/8W ±400ppm (H) 51mΩ ~ 100mΩR051 ~ R100
±600ppm (J) 20mΩ ~ 50mΩR020 ~ R050
NCST12* 1206 1/4W
1% (F)
2% (G)
5% (J)
±200ppm (F) 501mΩ ~ 1ΩR501 ~ 1R00
±300ppm (G) 51mΩ ~ 500mΩR051 ~ R500
NCST50* 2010 1/2W
±400ppm (H) 21mΩ ~ 50mΩR021 ~ R050
NCST100* 2512 1W ±600ppm (J) 10mΩ ~ 20mΩR010 ~ R020
*Available with a ±100ppm (E) TCR (100mΩ ~ 1Ω)
Item Speci cation Test Method
Temperature
Coef cient of
Resistance
As Speci ed MIL-STD-202, Method 304
+25/-55/+25/+125/+25°C
Thermal Shock ±(0.5% +0.05Ω)MIL-STD-202, Mehtod 107G
-55°C ~ +125°C, 100 cycles
Short Time
Overload ±(0.5% +0.05Ω)
JIS-C-5202-5.5
RCWV x 2.5 or Max.
Overloading Voltage for 5
sec.
Dielectric
Withstanding
Voltage
by Type
MIL-STD-202F Method 301
Apply Max. Overload
Voltage for 1 minute
Insulation
Resistance >1000MΩMIL-STD-202F Method 302
Apply 100Vdc for 1 minute
Resistance
to dry heat ±(0.5% +0.05Ω)JIS-C-5202-7.2
96 hrs @ 125°C without load
Load Life ±(1% +0.05Ω)
MIL-STD-202 Method 108
RCWV @ 70°C, cycles of 1.5
hours ON, 0.5 hrs OFF
for 1,000 ~ 1,048 hrs
Resistance to
Soldering Heat ±(0.5% +0.05Ω)
MIL-STD-202F Method 210E
260°C ±5°C for
10 sec. ±1 sec.
Humidity
(Steady State) ±(1% +0.05Ω)
MIL-STD-202 Method 103B
40°C, 90 ~ 95% RH, RCWV
1.5 hours ON, 0.5 hours OFF,
total 1000 ~ 1048 hours
Low Temperature
Operation ±(0.5% +0.05Ω)
JIS-C-5202-7.1
1 hour -65°C followed by 45
minutes of RCWV
Solderability 95% min.
coverage
MIL-STD-202F Method 208H
235°C ±5°C for 2 sec. ±0.5
sec.
Bending Strength ±(0.5% +0.05Ω)
JIS-C-5202-6.1.4
Bending Amplitude 3mm for
10 seconds
FEATURES
• SURFACE MOUNTABLE 0402 ~ 2512 CASE SIZE
• PRECISON TOLERANCE (±1%)
• Pb-FREE REFLOW COMPATIBLE
CHARACTERISTICS
CONSTRUCTION
*Note: Lead Free terminations standard
PART NUMBERING SYSTEM
NCST10 F R501 F TR F
Pb-free/RoHS compliant
Packaging: TR = Tape & Reel
TCR Code: E=100ppm, F=200ppm,
G=300ppm, H=400ppm, J=600ppm
Resistance Code: See examples
Tolerance Code: J=5%, G=2%, F=1%
Series and Size
RoHS
Compliant
*See Part Number System for Details
Temperature °C
Power Derating Curve: For operation above 70°C, power rating
must be derated according to the following chart:
0 20 40 60 70 80 100 120 140 160
Percentage of Power Rating
100
80
60
40
30
20
0
155°C
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Current Sensing Chip Resistors NCST Series
Milli-Ohm Ohm 4-Digit-Code
10 0.010 R010
11 0.011 R011
12 0.012 R012
13 0.013 R013
14 0.014 R014
200 0.200 R200
300 0.300 R300
400 0.400 R400
500 0.500 R500
600 0.600 R600
700 0.700 R700
800 0.800 R800
900 0.900 R900
1,000 1.000 1R00
RESISTANCE CODES
Type Length
(L)
Width
(W)
Thickness
(T)
TerminatIon Width
(P1)
TerminatIon Width
(P2)
NCST04 1.00 ±0.05 0.50 ±0.05 0.32 ±0.05 0.25 ±0.10 0.20 ±0.10
NCST06 1.60 ±0.10 0.80 ±0.10 0.45 ±0.10 0.30 ±0.20 0.30 ±0.20
NCST10 2.00 ±0.10 1.25 ±0.10 0.50 ±0.10 0.30 ±0.20 0.30 ±0.20
NCST12 3.10 ±0.15 1.55 ±0.15 0.60 ±0.10 0.50 ±0.20 0.40 ±0.20
NCST50 5.00 ±0.15 2.50 ±0.15 0.60 ±0.10 0.60 ±0.30 0.50 ±0.25
NCST100 6.30 ±0.15 3.10 ±0.15 0.60 ±0.10 0.60 ±0.30 0.50 ±0.25
DIMENSIONS (mm)
B
A
C
A B C
NCST04 0.50 0.50 0.60 ±0.2
NCST06 0.70 0.80 0.90 ±0.2
NCST10 1.00 1.00 1.35 ±0.2
NCST12 1.15 2.00 1.70 ±0.2
NCST50 1.40 3.60 2.40 ±0.2
NCST100 1.60 4.9 3.00 ±0.2
LAND PATTERN DIM. (mm)
L
W
T
P
R100
Example: 543 milli-ohm = R543
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Current Sensing Chip Resistors NCST Series
F
∅ Do
P1
T
W
A
B
Component
P0
P2
Forward Direction
E
PAPER CARRIER TAPE DIMENSIONS (mm)
Type A B W F E P1P2P0φDT
NCST04 0.67 ±0.03 1.15 ±0.03
8.00
±0.10
3.50
±0.05
1.75
±0.05
2.00 ±0.05
2.00
±0.05
4.00
±0.10
1.55
±0.05
0.40 ±0.03
NCST06 1.10 ±0.05 1.90 ±0.05
4.00 ±0.10
0.60 ±0.03
NCST10 1.60 ±0.05 2.37 ±0.05 0.75 ±0.05
NCST12 2.00 ±0.05 3.55 ±0.05
Type A B W F E P1P2P0φDT
NCST50 2.85 ±0.10 5.45 ±0.10 12.00
±0.10
5.50
±0.05
1.75
±0.10 4.00 ±0.05 2.00
±0.05
4.00
±0.05
1.50
±0.05 0.80 ±0.10
NCST100 3.40 ±0.20 6.65 ±0.10
EMBOSSED PLASTIC CARRIER DIMENSIONS (mm)
F
D0
P
T
K
W
E
B
A
P0
D1
B
C
W
A
Type A B C W Quantity
NCST04
178
±1.0
60
+0.5
13
±0.20
9.0
±0.50
10,000
NCST06
5,000NCST10
NCST12
NCST50 3.2
±1.50 4,000
NCST100
REEL DIMENIONS (mm) AND QUANTITY
