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esIsTor
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ey
F
eatureS
• Resistances from 0.5 mOhms to 15 mOhms
• Resistance Tolerances to ± 1%
• Customized Resistance available
• Power Rating up to 3 Watts
• TCR’s to ± 50 ppm/ ºC
• Available in sizes 1206 / 2010 / 2512
a
pplicationS
• Engine Sensors
• Surge Protection
• Data Recorders
• Temperature Sensors
p
roduct
S
ummary
PRODUCT
SERIES
(RNC)
PACKAGE
SIZE
POWER
RATING
(W) at 80ºC
RESISTANCES
(mΩ)
TCR
(ppm/ºC)
± 50
± 200 (0.5 mΩ)
TOLERANCES
TEMPERATURE
RANGE
RNC18A
RNC19B
1206
2010
1
1.5
0.5 - 10
0.5 - 10
0.5, 0.75, 1, 1.5, 2, 11, 12, 13,
14, 15
± 50
± 100 (0.5 mΩ)
± 50
± 75
± 100
± 150
± 50
± 75
± 100
± 150
± 50
± 100
± 50
1%
3%
5%
-55ºC to +170ºC
RNC20A
1
2512
1
6, 6.5, 7
4, 5, 10
2.5, 3
0.5, 0.75, 1, 1.5, 2, 6.5, 7, 8,
9, 10
RNC20C
2
2512
2
6, 6.5, 7
4, 5, 10
2.5, 3
RNC20D
3
RNC20E
3
2512
2512
2.5
3
4, 4.5, 5, 6
0.5, 0.75
1, 1.5, 2, 2.5, 3, 3.5
Maximum Operating Voltage
=
H
ow to
o
rder
RNC
Resistor Metal Element
Current Sense SMT
11, 12, 13, 14, 15 mΩ - coating is green
6.5, 7, 8, 9, 10 mΩ at 50ppm - coating is green
3
All values contain green coating
1
2
20
PACKAGE
CODE
18 = 1206
19 = 2010
20 = 2512
E
POWER RATING,
WATTS
A = 1.0W
B = 1.5W
C = 2.0W
D = 2.5W
E = 3.0W
N
TEMPERATURE
COEFFICIENT OF
RESISTANCE (TCR)
Q = ± 50ppm/°C
P = ± 75ppm/°C
N = ± 100ppm/ºC
M = ±150ppm/ºC
L = ± 200ppm/ºC
R00075
RESISTANCE
F
TOLERANCE
E
PACKING
Standard Termination Finish: Nickel Tin Alloy
R00075 = 0.00075Ω (0.75mΩ)
0R0005 = 0.0005Ω (0.5mΩ)
00R001 = 0.001Ω (1mΩ)
0R0015 = 0.0015Ω (1.5mΩ)
Letter denotes decimal place.
R = decimal., “K” 10
3
, “M” 10
6
Remaining 5 digits are
significant or placeholders.
F = ± 1.0%
H = ± 3.0%
J = ± 5.0%
E = Embossed
Tape & Reel
Example P/N: RNC20ENR00075FT is Resistor Metal Element Current Sense SMT, size 2512, 3.0W, ±100ppm/ºC, 0.00075Ω (0.75mΩ), ±1.0%, embossed tape & reel
www.johanson dielectrics.com
47
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esIsTor
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Power Derating Curve
120
Rated Power ( % )
100
80
60
40
20
0
0
20
40
60
80
100
120
140
160
180
Ambient Temperature (°C)
S
peciFicationS
Specification
Test
Solderability
Temperature Coefficient
of Resistance
Dry Heat
Load Life
Short Time Overload
Resistance to Soldering
Heat
Thermal Shock
± 1.0%
± 1.0%
± 0.5%
± 0.5%
± 0.5%
Black Coating
Green Coating
Test Method
245 ±5°C for 3 seconds
+25/-55/+25/+125/+25°C
± 1.0%
± 1.0%
± 1.0%
± 1.0%
± (0.5% +
0.05Ω)
at +170°C for 1000 hrs
70 ±2°C, Max. working voltage for 1000 hrs with
1.5 hrs “ON”and 0.5 hrs “OFF”
5x rated power for 5 seconds
260 ±5°C for 10 seconds
-55°C ~ 150°C, 100 cycles
Note:
Green coating cannot be used in solder bath
95% min. coverage
As Spec.
p
ackaging
i
nFormation
Package Code
Quantity
Type
Moisture Sensitivity Level: MSL-1
RNC18
(Reel Size 1206)
RNC19
(Reel Size 2010)
RNC20
(Reel Size 2512)
2000
Embossed Tape
a
Vailable
o
ptionS
(Consult Factory)
•
Special Testing Requirements
This datasheet is subject to change without notice.
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