MSR Riedon™ Current Sense Resistors

Bourns MSR Riedon™ Current Sense Resistors are bare metal element devices designed to offer excellent and rugged performance. These resistors feature 0.005Ω to 0.10Ω resistances, 1W, 3W, or 5W power ratings, ±1% resistance tolerances, superior pulse capabilities, and ±20PPM/°C Temperature Coefficient of Resistance (TCR). The MSR resistors operate within the -55°C to 275°C temperature range and are RoHS compliant. These resistors are used in motor drives, smart meters, solar inverters, capacitor recharge/discharge circuits, industrial power supplies, and current sensing applications.

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Qty. RoHS ECAD Model Series
Termination Style
Resistance
Power Rating
Tolerance
Temperature Coefficient
Minimum Operating Temperature
Maximum Operating Temperature
Length
Height
Packaging
Bourns Current Sense Resistors - Through Hole MSR-5 0.005 OHM 5% FLAT
Datasheet
399In Stock
Min.: 1
Mult.: 1

MSR Radial 5 mOhms 5 W 5 % 20 PPM / C - 55 C + 275 C 20.3 mm 25.4 mm Bulk
Bourns Current Sense Resistors - Through Hole MSR-1 0.01 OHM 1% FORM
Datasheet
1,087In Stock
Min.: 1
Mult.: 1

MSR Radial 10 mOhms 1 W 1 % 20 PPM / C - 55 C + 275 C 11.4 mm 5.1 mm Bulk
Bourns Current Sense Resistors - Through Hole MSR-1 0.02 OHM 1% FORM
Datasheet
1,287In Stock
Min.: 1
Mult.: 1

MSR Radial 20 Ohms 1 W 1 % 20 PPM / C - 55 C + 275 C 11.4 mm 5.1 mm Bulk
Bourns Current Sense Resistors - Through Hole MSR-1 0.03 OHM 1% FORM
Datasheet
690In Stock
Min.: 1
Mult.: 1

MSR Radial 30 mOhms 1 W 1 % 20 PPM / C - 55 C + 275 C 11.4 mm 5.1 mm Bulk
Bourns Current Sense Resistors - Through Hole MSR-1 0.05 OHM 1% FORM
Datasheet
1,710In Stock
Min.: 1
Mult.: 1

MSR Radial 50 mOhms 1 W 1 % 20 PPM / C - 55 C + 275 C 11.4 mm 5.1 mm Bulk
Bourns Current Sense Resistors - Through Hole MSR-3 0.005 OHM 1% FLAT
Datasheet
2,195In Stock
Min.: 1
Mult.: 1

MSR Radial 5 mOhms 3 W 1 % 20 PPM / C - 55 C + 275 C 15.2 mm 25.4 mm Bulk
Bourns Current Sense Resistors - Through Hole Bare Metal Element Resistor 20mOhms, 1%, 3W
Datasheet
1,521In Stock
Min.: 1
Mult.: 1

MSR Radial 20 mOhms 3 W 1 % 20 PPM / C - 55 C + 275 C 15.2 mm 25.4 mm Bulk
Bourns Current Sense Resistors - Through Hole MSR-3 0.03 OHM 1% FLAT
Datasheet
1,405In Stock
Min.: 1
Mult.: 1

MSR Radial 30 mOhms 3 W 1 % 20 PPM / C - 55 C + 275 C 15.2 mm 25.4 mm Bulk
Bourns Current Sense Resistors - Through Hole MSR-5 0.005 OHM 1% FLAT
Datasheet
1,613In Stock
1,000Expected 2026/11/04
Min.: 1
Mult.: 1

MSR Radial 5 mOhms 5 W 1 % 20 PPM / C - 55 C + 275 C 20.3 mm 25.4 mm Bulk
Bourns Current Sense Resistors - Through Hole MSR-5 0.01 OHM 1% FLAT
Datasheet
2,384In Stock
Min.: 1
Mult.: 1

MSR Radial 10 mOhms 5 W 1 % 20 PPM / C - 55 C + 275 C 20.3 mm 25.4 mm Bulk
Bourns Current Sense Resistors - Through Hole MSR-5 0.02 OHM 1% FLAT
Datasheet
2,458In Stock
Min.: 1
Mult.: 1

MSR Radial 20 Ohms 5 W 1 % 20 PPM / C - 55 C + 275 C 20.3 mm 25.4 mm Bulk
Bourns Current Sense Resistors - Through Hole MSR-5 0.05 OHM 1% FLAT
Datasheet
1,305In Stock
Min.: 1
Mult.: 1

MSR Radial 50 mOhms 5 W 1 % 20 PPM / C - 55 C + 275 C 20.3 mm 25.4 mm Bulk
Bourns Current Sense Resistors - Through Hole MSR-5 0.1 OHM 1% FLAT
Datasheet
2,040In Stock
Min.: 1
Mult.: 1

MSR Radial 100 mOhms 5 W 1 % 20 PPM / C - 55 C + 275 C 20.3 mm 25.4 mm Bulk
Bourns Current Sense Resistors - Through Hole MSR-3 0.015 OHM 1% FLAT
Datasheet
204In Stock
Min.: 1
Mult.: 1

MSR Radial 15 mOhms 3 W 1 % 20 PPM / C - 55 C + 275 C 15.2 mm 25.4 mm Bulk
Bourns Current Sense Resistors - Through Hole MSR-3 0.01 OHM 1% FLAT
Datasheet
217In Stock
1,500Expected 2026/09/03
Min.: 1
Mult.: 1

MSR Radial 10 mOhms 3 W 1 % 20 PPM / C - 55 C + 275 C 15.2 mm 25.4 mm Bulk
Bourns Current Sense Resistors - Through Hole MSR-3 0.05 OHM 1% FLAT
Datasheet
18In Stock
2,500Expected 2026/12/21
Min.: 1
Mult.: 1

MSR Radial 50 mOhms 3 W 1 % 20 PPM / C - 55 C + 275 C 15.2 mm 25.4 mm Bulk
Bourns Current Sense Resistors - Through Hole MSR-5 0.015 OHM 1% FLAT
Datasheet
108In Stock
1,500Expected 2026/12/14
Min.: 1
Mult.: 1

MSR Radial 15 mOhms 5 W 1 % 20 PPM / C - 55 C + 275 C 20.3 mm 25.4 mm Bulk
Bourns Current Sense Resistors - Through Hole MSR-1 0.005 OHM 1% FORM
Datasheet
2In Stock
1,750Expected 2026/10/22
Min.: 1
Mult.: 1

MSR Radial 5 mOhms 1 W 1 % 20 PPM / C - 55 C + 275 C 11.4 mm 5.1 mm Bulk
Bourns Current Sense Resistors - Through Hole MSR-1 0.025 OHM 1% FORM
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 1
Mult.: 1

MSR Radial 25 mOhms 1 W 1 % 20 PPM / C - 55 C + 275 C 11.4 mm 5.1 mm Bulk
Bourns Current Sense Resistors - Through Hole MSR-1 0.04 OHM 1% FORM
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 1
Mult.: 1

MSR Radial 40 mOhms 1 W 1 % 20 PPM / C - 55 C + 275 C 11.4 mm 5.1 mm Bulk
Bourns Current Sense Resistors - Through Hole MSR-1 0.07 OHM 1% FORM
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 1,750
Mult.: 250

MSR Radial 70 Ohms 1 W 1 % 20 PPM / C - 55 C + 275 C 11.4 mm 5.1 mm Bulk
Bourns Current Sense Resistors - Through Hole MSR-1 0.08 OHM 1% FORM
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 1,750
Mult.: 250

MSR Radial 80 mOhms 1 W 1 % 20 PPM / C - 55 C + 275 C 11.4 mm 5.1 mm Bulk
Bourns Current Sense Resistors - Through Hole MSR-1 0.1 OHM 1% FORM
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 1
Mult.: 1

MSR Radial 100 mOhms 1 W 1 % 20 PPM / C - 55 C + 275 C 11.4 mm 5.1 mm Bulk
Bourns Current Sense Resistors - Through Hole MSR-3 0.04 OHM 1% FLAT
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 1
Mult.: 1

MSR Radial 40 mOhms 3 W 1 % 20 PPM / C - 55 C + 275 C 15.2 mm 25.4 mm Bulk
Bourns Current Sense Resistors - Through Hole MSR-3 0.07 OHM 1% FLAT
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 1,500
Mult.: 250

MSR Radial 70 Ohms 3 W 1 % 20 PPM / C - 55 C + 275 C 15.2 mm 25.4 mm Bulk