MNRS Series Power Shunt Resistor • • • • • • • • • Resistances from 0.2 mOhm to 4 mOhm Power Rating up to 7 Watts Resistance Tolerances to ± 1% TCR’s to ±50 ppm/°C Excellent long-term stability and low inductance Pulse Applications Power Modules Frequency Converters Engine Controls SPECIFICATIONS Type MNRS1050 MNRS1575 Power Rating (W) up to 5W (see table below) up to 7W (see table below) Resistance Range (mΩ) 0.5,1,2, 3, 4 0.2,0.5,1, 2, 3 Temperature Coefficient (depending on ohmic value) ±50 / 60 / 75 / 100 / 120 ppm Max Current (A) Must not exceed max power rating using Ohm’s Law Operating Temperature Range -55°C - +170°C MAX Operating Voltage √(P*R) Tolerances (depending on ohmic value) 1% / 2% / 5% Power Derating 1050 120 Power Derating 1575 120 85°C 80 60 40 20 0 65°C 100 Power ( % ) Power ( % ) 100 0 20 40 60 80 100 120 140 160 180 80 60 40 20 0 0 20 Ambient Temperature (°C) 40 60 80 100 120 140 160 Ambient Temperature (°C) Ordering Information Part Description: Part Type - Resistance - Tolerance - TCR - Packaging Example: MNRS1575 3mOhm 1% 100ppm Riedon Inc. 02/16 300 Cypress Avenue Alhambra CA 91801 www.riedon.com (626) 284-9901 (626) 284-1704 180 MNRS Series Power Shunt Resistor Specifications Type Value Power Rating Material D (in) [mm] TCR MNRS1050 0.5mΩ 5W Manganin 0.034+ 0.002 [0.88 + 0.05] 75PPM MNRS1050 1mΩ 4W Manganin 0.017+ 0.002 [0.43 + 0.05] 60 PPM MNRS1050 2mΩ 4W NiCr Alloy 0.025+ 0.002 [0.64 + 0.05] 100 PPM MNRS1050 3mΩ 3W NiCr Alloy 0.017 + 0.002 [0.43 + 0.05] 100 PPM MNRS1050 4mΩ 2.5W NiCr Alloy 0.013 + 0.002 [0.32 + 0.05] 100 PPM MNRS1575 0.2mΩ 7W Manganin 0.059 + 0.002 [1.50 + 0.05] 50 PPM MNRS1575 0.5mΩ 6W Manganin 0.022 + 0.002 [0.56 + 0.05] 100 PPM MNRS1575 1mΩ 6W NiCr Alloy 0.035 + 0.002 [0.90 + 0.05] 120 PPM MNRS1575 2mΩ 4W NiCr Alloy 0.018 + 0.002 [0.45 + 0.05] 120 PPM MNRS1575 3mΩ 3.5W NiCr Alloy 0.012 + 0.002 [0.30 + 0.05] 120 PPM Test Specification Test Method Short Time Overload +0.2% 5x rated power for 5 seconds Endurance +1.0% Power rating 90 min. “ON”, 30 min. “OFF” for 2000 hours Moisture Resistance +0.2% 90 ~ 98%RH, +25°C, +65°C, -10°C, 10 cycles High Temperature Exposure +0.2% 140°C for 250 hours Resistance to Soldering Heat +0.2% 350°C for 30 seconds or 250°C for 10 min. Vibration, High Frequency +0.2% 15g 10~2000Hz, 36 cycles Inductance <3nH - Thermal Shock +0.1% -65°C, 25°C, 125°C, 25°C, 25 cycles Riedon Inc. 02/16 300 Cypress Avenue Alhambra CA 91801 www.riedon.com (626) 284-9901 (626) 284-1704