MNRS Series Chip Shunt Resistor • • • • • 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 MNRS1050 MNRS1575 Power Rating (W) up to 4W (see table below) up to 6W (see table below) Resistance Range (mW) 2, 3, 4 1, 2, 3 TCR +100 ppm/°C +120 ppm/°C 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% Temperature Coefficient (depending on ohmic value) ±50 / 75 / 100 ppm Power Derating 1050 120 Power Derating 1575 120 85°C 80 60 40 20 0 105°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. 300 Cypress Avenue 09/13 Alhambra CA 91801 (626) 284-9901 (626) 284-1704 www.riedon.com 180 MNRS Series Chip Shunt Resistor Specifications Type Value Power Rating Material A (in) [mm] B (in) [mm] C (in) [mm] D (in) [mm] MNRS1050 2mW 4W NiCr Alloy 0.41 + 0.01 [10.5 + 0.3] 0.20 + 0.01 [5.0 + 0.3] 0.20 + 0.01 [5.0 + 0.3] 0.025+ 0.002 [0.64 + 0.05] MNRS1050 3mW 3W NiCr Alloy 0.41 + 0.01 [10.5 + 0.3] 0.20 + 0.01 [5.0 + 0.3] 0.20 + 0.01 [5.0 + 0.3] 0.017 + 0.002 [0.43 + 0.05] MNRS1050 4mW 2.5W NiCr Alloy 0.41 + 0.01 [10.5 + 0.3] 0.20 + 0.01 [5.0 + 0.3] 0.20 + 0.01 [5.0 + 0.3] 0.013 + 0.002 [0.32 + 0.05] MNRS1575 1mW 6W NiCr Alloy 0.60 + 0.01 [15.2 + 0.3] 0.20 + 0.01 [5.0 + 0.3] 0.30 + 0.01 [7.5 + 0.3] 0.035 + 0.002 [0.90 + 0.05] MNRS1575 2mW 4W NiCr Alloy 0.60 + 0.01 [15.2 + 0.3] 0.20 + 0.01 [5.0 + 0.3] 0.30 + 0.01 [7.5 + 0.3] 0.018 + 0.002 [0.45 + 0.05] MNRS1575 3mW 3.5W NiCr Alloy 0.60 + 0.01 [15.2 + 0.3] 0.20 + 0.01 [5.0 + 0.3] 0.30 + 0.01 [7.5 + 0.3] 0.012 + 0.002 [0.30 + 0.05] 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 EMF [μV/°C] 2μV/°C max. 0~100°C Current Noise ±0.01% MIL-STD-202 Method 308 Voltage Coefficient Linearity error less than 120 dB MIL-STD-202 Method 309 Shock ±0.2% 50g’s 11ms Thermal Shock +0.1% -65°C, 25°C, 125°C, 25°C, 25 cycles Riedon Inc. 300 Cypress Avenue 09/13 Alhambra CA 91801 (626) 284-9901 (626) 284-1704 www.riedon.com