MNRS Series
Chip Shunt Resistor
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•
•
•
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Resistances from 1 mOhm to 4 mOhm
Power Rating up to 6 Watts
Resistance Tolerances to ± 1%
TCR’s to ±100 ppm/°C
Excellent long-term stability and low inductance
SPECIFICATIONS
Type
Power Rating (W)
Resistance Range (mW)
TCR
Max Current (A)
Operating Temperature Range
MAX Operating Voltage
Tolerances
(depending on ohmic value)
Temperature Coefficient
(depending on ohmic value)
MNRS1050
up to 4W (see table below)
2, 3, 4
+100 ppm/°C
MNRS1575
up to 6W (see table below)
1, 2, 3
+120 ppm/°C
Must not exceed max power rating using Ohm’s Law
-55°C - +170°C
√(P*R)
1% / 2% / 5%
±50 / 75 / 100 ppm
Power Derating 1050
120
100
Power Derating 1575
120
100
85°C
105°C
Power ( % )
80
60
40
20
0
0
20
40
60
80
100
120
140
160
180
Power ( % )
80
60
40
20
0
0
20
40
60
80
100
120
140
160
180
Ambient Temperature (°C)
Ambient Temperature (°C)
Ordering Information
Part Description: Part Type - Resistance - Tolerance - TCR - Packaging
Example: MNRS1575 3mOhm 1% 100ppm
Riedon Inc.
09/13
300 Cypress Avenue
Alhambra CA 91801
www.riedon.com
(626) 284-9901
(626) 284-1704
MNRS Series
Chip Shunt Resistor
Specifications
Type
MNRS1050
MNRS1050
MNRS1050
MNRS1575
MNRS1575
MNRS1575
Value
2mW
3mW
4mW
1mW
2mW
3mW
Power
Rating
4W
3W
2.5W
6W
4W
3.5W
Material
NiCr Alloy
NiCr Alloy
NiCr Alloy
NiCr Alloy
NiCr Alloy
NiCr Alloy
A (in) [mm]
0.41 + 0.01
[10.5 + 0.3]
0.41 + 0.01
[10.5 + 0.3]
0.41 + 0.01
[10.5 + 0.3]
0.60 + 0.01
[15.2 + 0.3]
0.60 + 0.01
[15.2 + 0.3]
0.60 + 0.01
[15.2 + 0.3]
B (in) [mm]
0.20 + 0.01
[5.0 + 0.3]
0.20 + 0.01
[5.0 + 0.3]
0.20 + 0.01
[5.0 + 0.3]
0.20 + 0.01
[5.0 + 0.3]
0.20 + 0.01
[5.0 + 0.3]
0.20 + 0.01
[5.0 + 0.3]
C (in) [mm]
0.20 + 0.01
[5.0 + 0.3]
0.20 + 0.01
[5.0 + 0.3]
0.20 + 0.01
[5.0 + 0.3]
0.30 + 0.01
[7.5 + 0.3]
0.30 + 0.01
[7.5 + 0.3]
0.30 + 0.01
[7.5 + 0.3]
D (in) [mm]
0.025+ 0.002
[0.64 + 0.05]
0.017 + 0.002
[0.43 + 0.05]
0.013 + 0.002
[0.32 + 0.05]
0.035 + 0.002
[0.90 + 0.05]
0.018 + 0.002
[0.45 + 0.05]
0.012 + 0.002
[0.30 + 0.05]
Test
Short Time Overload
Endurance
Moisture Resistance
High Temperature
Exposure
Resistance to Soldering
Heat
Vibration, High Frequency
Inductance
Thermal EMF [μV/°C]
Current Noise
Voltage Coefficient
Shock
Thermal Shock
Specification
+0.2%
+1.0%
+0.2%
+0.2%
+0.2%
+0.2%
<3nH
2μV/°C max.
±0.01%
Linearity error less than 120 dB
±0.2%
+0.1%
Test Method
5x rated power for 5 seconds
Power rating 90 min. “ON”, 30 min. “OFF” for 2000 hours
90 ~ 98%RH, +25°C, +65°C, -10°C, 10 cycles
140°C for 250 hours
350°C for 30 seconds or 250°C for 10 min.
15g 10~2000Hz, 36 cycles
-
0~100°C
MIL-STD-202 Method 308
MIL-STD-202 Method 309
50g’s 11ms
-65°C, 25°C, 125°C, 25°C, 25 cycles
Riedon Inc.
09/13
300 Cypress Avenue
Alhambra CA 91801
www.riedon.com
(626) 284-9901
(626) 284-1704
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