CSI Current Sense Resistors

Bourns CSI Current Sense Resistors feature an electron-beam (EB) welded metal strip, low resistance, low temperature coefficient of resistance (TCR), and excellent long-term stability. These high-power modules offer a resistance range of <0.1mΩ to 3.5mΩ with ±1% to ±5% resistance tolerance and up to a 15W power rating in four package sizes: 2512, 3920, 4026, and 5930. The 2512 series size also offers low thermal electromotive force (EMF). Bourns CSI Current Sense Resistors are halogen free, RoHS compliant, and operate in a -55°C to +170°C temperature range. Typical applications include current sensing, voltage division, power modules, frequency converters, and industrial.

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Description Datasheet Availability Pricing (IDR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Packaging
Series
Resistance
Power Rating
Tolerance
Temperature Coefficient
Case Code - in
Case Code - mm
Length
Width
Height
Minimum Operating Temperature
Maximum Operating Temperature
Technology
Termination
Termination Style
Bourns Current Sense Resistors - SMD CurrentSenseResistor 3920 000 2%
Datasheet
2.907In Stock
9.000Expected 09/07/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Reel, Cut Tape, MouseReel CSI 0 Ohms 3920 1052 10 mm (0.394 in) 5.2 mm (0.205 in) 0.93 mm (0.037 in) - 55 C + 170 C Metal Strip 2 Terminal SMD/SMT
Bourns Current Sense Resistors - SMD CurrentSenseResistor 3920 L70 1%
Datasheet
1.330In Stock
6.000Expected 04/08/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Reel, Cut Tape, MouseReel CSI 700 uOhms 8 W 1 % 100 PPM / C 3920 1052 10 mm (0.394 in) 5.2 mm (0.205 in) 1.05 mm (0.041 in) - 55 C + 170 C Metal Strip 2 Terminal SMD/SMT
Bourns Current Sense Resistors - SMD CurrentSenseResistor 3920 2L5 5%
Datasheet
2.918In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Reel, Cut Tape, MouseReel CSI 2.5 mOhms 5 W 5 % 75 PPM / C 3920 1052 10 mm (0.394 in) 5.2 mm (0.205 in) 1.04 mm (0.041 in) - 55 C + 170 C Metal Strip 2 Terminal SMD/SMT
Bourns Current Sense Resistors - SMD CurrentSenseResistor 3920 3L0 5%
Datasheet
2.631In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Reel, Cut Tape, MouseReel CSI 3 mOhms 5 W 5 % 75 PPM / C 3920 1052 10 mm (0.394 in) 5.2 mm (0.205 in) 0.99 mm (0.039 in) - 55 C + 170 C Metal Strip 2 Terminal SMD/SMT
Bourns Current Sense Resistors - SMD CurrentSenseResistor 5930 L50 1%
Datasheet
2.206In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

Reel, Cut Tape, MouseReel CSI 500 uOhms 8 W 1 % 100 PPM / C 5930 15078 15 mm (0.591 in) 7.75 mm (0.305 in) 1.01 mm (0.04 in) - 55 C + 170 C Metal Strip 2 Terminal
Bourns Current Sense Resistors - SMD CurrentSenseResistor 5930 3L0 1%
Datasheet
1.028In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

Reel, Cut Tape, MouseReel CSI 3 mOhms 1 % 5930 15078 15 mm (0.591 in) 7.75 mm (0.305 in) - 55 C + 170 C Metal Strip 2 Terminal
Bourns Current Sense Resistors - SMD CurrentSenseResistor 2512 L30 1%
Datasheet
1.311In Stock
21.000Expected 19/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Reel, Cut Tape, MouseReel CSI 300 uOhms 6 W 1 % 150 PPM / C 2512 6330 6.35 mm (0.25 in) 3.05 mm (0.12 in) 1.65 mm (0.065 in) - 55 C + 170 C Metal Strip 2 Terminal SMD/SMT
Bourns Current Sense Resistors - SMD CurrentSenseResistor 2512 1L8 2%
Datasheet
2.402In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Reel, Cut Tape, MouseReel CSI 1.8 mOhms 5 W 2 % 75 PPM / C 2512 6330 6.35 mm (0.25 in) 3.05 mm (0.12 in) 1.21 mm (0.048 in) - 55 C + 170 C Metal Strip 2 Terminal SMD/SMT
Bourns Current Sense Resistors - SMD CurrentSenseResistor 2512 3L5 5%
Datasheet
2.852In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Reel, Cut Tape, MouseReel CSI 3.5 mOhms 4 W 5 % 75 PPM / C 2512 6330 6.35 mm (0.25 in) 3.05 mm (0.12 in) 0.81 mm (0.032 in) - 55 C + 170 C Metal Strip 2 Terminal SMD/SMT
Bourns Current Sense Resistors - SMD CurrentSenseResistor 4026 1L0 1%
Datasheet
2.194In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

Reel, Cut Tape, MouseReel CSI 1 mOhms 8 W 1 % 75 PPM / C 4026 10166 10.06 mm (0.396 in) 6.6 mm (0.26 in) 2.7 mm (0.106 in) - 55 C + 170 C Metal Strip 2 Terminal SMD/SMT
Bourns Current Sense Resistors - SMD CurrentSenseResistor 2512 1L0 1%
Datasheet
474In Stock
6.000Expected 04/08/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Reel, Cut Tape, MouseReel CSI 1 mOhms 5 W 1 % 75 PPM / C 2512 6330 6.35 mm (0.25 in) 3.05 mm (0.12 in) 0.78 mm (0.031 in) - 55 C + 170 C Metal Strip 2 Terminal SMD/SMT
Bourns Current Sense Resistors - SMD CurrentSenseResistor 4026 2L0 1%
Datasheet
2.469In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

Reel, Cut Tape, MouseReel CSI 2 mOhms 6 W 1 % 75 PPM / C 4026 10166 10.06 mm (0.396 in) 6.6 mm (0.26 in) 2.93 mm (0.115 in) - 55 C + 170 C Metal Strip 2 Terminal SMD/SMT
Bourns Current Sense Resistors - SMD CurrentSenseResistor 2512 L50 5%
Datasheet
2.782In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Reel, Cut Tape, MouseReel CSI 500 uOhms 6 W 5 % 100 PPM / C 2512 6330 6.35 mm (0.25 in) 3.05 mm (0.12 in) 1.21 mm (0.048 in) - 55 C + 170 C Metal Strip 2 Terminal SMD/SMT
Bourns Current Sense Resistors - SMD CurrentSenseResistor 2512 2L0 2%
Datasheet
2.699In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Reel, Cut Tape, MouseReel CSI 2 mOhms 5 W 2 % 75 PPM / C 2512 6330 6.35 mm (0.25 in) 3.05 mm (0.12 in) 1.09 mm (0.043 in) - 55 C + 170 C Metal Strip 2 Terminal SMD/SMT
Bourns Current Sense Resistors - SMD CurrentSenseResistor 2512 2L3 1%
Datasheet
2.369In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Reel, Cut Tape, MouseReel CSI 2.3 mOhms 5 W 1 % 75 PPM / C 2512 6330 6.35 mm (0.25 in) 3.05 mm (0.12 in) 1.09 mm (0.043 in) - 55 C + 170 C Metal Strip 2 Terminal SMD/SMT
Bourns Current Sense Resistors - SMD CurrentSenseResistor 3920 2L0 1%
Datasheet
5.483In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Reel, Cut Tape, MouseReel CSI 2 mOhms 6 W 1 % 75 PPM / C 3920 1052 10 mm (0.394 in) 5.2 mm (0.205 in) 1.17 mm (0.046 in) - 55 C + 170 C Metal Strip 2 Terminal SMD/SMT
Bourns Current Sense Resistors - SMD CurrentSenseResistor 3920 2L5 1%
Datasheet
4.341In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Reel, Cut Tape, MouseReel CSI 2.5 mOhms 5 W 1 % 75 PPM / C 3920 1052 10 mm (0.394 in) 5.2 mm (0.205 in) 1.04 mm (0.041 in) - 55 C + 170 C Metal Strip 2 Terminal SMD/SMT
Bourns Current Sense Resistors - SMD CurrentSenseResistor 3920 3L0 1%
Datasheet
4.522In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Reel, Cut Tape, MouseReel CSI 3 mOhms 5 W 1 % 75 PPM / C 3920 1052 10 mm (0.394 in) 5.2 mm (0.205 in) 0.99 mm (0.039 in) - 55 C + 170 C Metal Strip 2 Terminal SMD/SMT
Bourns Current Sense Resistors - SMD CurrentSenseResistor 3920 1L0 1%
Datasheet
5.375In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Reel, Cut Tape, MouseReel CSI 1 mOhms 8 W 1 % 100 PPM / C 3920 1052 10 mm (0.394 in) 5.2 mm (0.205 in) 0.93 mm (0.037 in) - 55 C + 170 C Metal Strip 2 Terminal SMD/SMT
Bourns Current Sense Resistors - SMD CurrentSenseResistor 3920 L20 1%
Datasheet
5.088In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Reel, Cut Tape, MouseReel CSI 200 uOhms 12 W 1 % 100 PPM / C 3920 1052 10 mm (0.394 in) 5.2 mm (0.205 in) 2.51 mm (0.099 in) - 55 C + 170 C Metal Strip 2 Terminal SMD/SMT
Bourns Current Sense Resistors - SMD CurrentSenseResistor 3920 L30 1%
Datasheet
5.899In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Reel, Cut Tape, MouseReel CSI 300 uOhms 10 W 1 % 100 PPM / C 3920 1052 10 mm (0.394 in) 5.2 mm (0.205 in) 1.82 mm (0.072 in) - 55 C + 170 C Metal Strip 2 Terminal SMD/SMT
Bourns Current Sense Resistors - SMD CurrentSenseResistor 3920 L50 1%
Datasheet
5.827In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Reel, Cut Tape, MouseReel CSI 500 uOhms 9 W 1 % 100 PPM / C 3920 1052 10 mm (0.394 in) 5.2 mm (0.205 in) 1.29 mm (0.051 in) - 55 C + 170 C Metal Strip 2 Terminal SMD/SMT
Bourns Current Sense Resistors - SMD CurrentSenseResistor 5930 2L0 1%
Datasheet
2.959In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

Reel, Cut Tape, MouseReel CSI 2 mOhms 7 W 1 % 75 PPM / C 5930 15078 15 mm (0.591 in) 7.75 mm (0.305 in) 0.99 mm (0.039 in) - 55 C + 170 C Metal Strip 2 Terminal
Bourns Current Sense Resistors - SMD CurrentSenseResistor 5930 L20 1%
Datasheet
2.131In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

Reel, Cut Tape, MouseReel CSI 200 uOhms 15 W 1 % 150 PPM / C 5930 15078 15 mm (0.591 in) 7.75 mm (0.305 in) 1.82 mm (0.072 in) - 55 C + 170 C Metal Strip 2 Terminal
Bourns Current Sense Resistors - SMD CurrentSenseResistor 5930 L30 1%
Datasheet
1.801In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

Reel, Cut Tape, MouseReel CSI 300 uOhms 15 W 1 % 150 PPM / C 5930 15078 15 mm (0.591 in) 7.75 mm (0.305 in) 1.39 mm (0.055 in) - 55 C + 170 C Metal Strip 2 Terminal