Current Sense Resistors

Panasonic offers a wide variety of Thick Film Current Sense Resistors (ERJ-B1, B2, xB, xBW, xCW) in a large range of case sizes and wide terminal types for high solder joint reliability. ERJ Current Sense Resistors feature power ratings up to 2W with low resistance ratings from 5mΩ to 10Ω. Panasonic provides a wide line of case size options that range from 0402 to 2512 for conventional terminals and 0612 to 1020 for wide terminals.

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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
Qualification
Panasonic Current Sense Resistors - SMD 0603 0.51ohm 1% Curr Sense AEC-Q200
Datasheet
11.132In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 510 mOhms 250 mW (1/4 W) 1 % 200 PPM / C 0603 1608 1.6 mm (0.063 in) 0.8 mm (0.031 in) 0.45 mm (0.018 in) - 55 C + 125 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD .56 OHM 1% 1/4W
Datasheet
803In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 560 mOhms 250 mW (1/4 W) 1 % 300 PPM / C 0603 1608 1.6 mm (0.063 in) 0.8 mm (0.031 in) 0.45 mm (0.018 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0603 0.62ohm 1% Curr Sense AEC-Q200
Datasheet
8.086In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 620 mOhms 250 mW (1/4 W) 1 % 300 PPM / C 0603 1608 1.6 mm (0.063 in) 0.8 mm (0.031 in) 0.45 mm (0.018 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0603 0.68ohm 1% Curr Sense AEC-Q200
Datasheet
8.480In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 680 mOhms 250 mW (1/4 W) 1 % 200 PPM / C 0603 1608 1.6 mm (0.063 in) 0.8 mm (0.031 in) 0.45 mm (0.018 in) - 55 C + 125 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD .75 OHM 1% 1/4W
Datasheet
4.478In Stock
10.000Expected 3/23/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 750 mOhms 250 mW (1/4 W) 1 % 300 PPM / C 0603 1608 1.6 mm (0.063 in) 0.8 mm (0.031 in) 0.45 mm (0.018 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD .82 OHM 1% 1/4W
Datasheet
9.512In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 820 mOhms 250 mW (1/4 W) 1 % 300 PPM / C 0603 1608 1.6 mm (0.063 in) 0.8 mm (0.031 in) 0.45 mm (0.018 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0603 0.91ohm 1% Curr Sense AEC-Q200
Datasheet
4.591In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 910 mOhms 250 mW (1/4 W) 1 % 300 PPM / C 0603 1608 1.6 mm (0.063 in) 0.8 mm (0.031 in) 0.45 mm (0.018 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0603 1.0ohms 5% Thick Film Resistor
Datasheet
2.472In Stock
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape ERJ-BQ/BS 1 Ohms 250 mW (1/4 W) 5 % 200 PPM / C 0603 1608 1.6 mm (0.063 in) 0.8 mm (0.031 in) 0.45 mm (0.018 in) - 55 C + 125 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0603 1.3ohm 5% Curr Sense AEC-Q200
Datasheet
4.890In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 1.3 Ohms 250 mW (1/4 W) 5 % 0603 1608 1.6 mm (0.063 in) 0.8 mm (0.031 in) 0.45 mm (0.018 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0603 1.8ohm 5% Curr Sense AEC-Q200
Datasheet
4.430In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 1.8 Ohms 250 mW (1/4 W) 5 % 0603 1608 1.6 mm (0.063 in) 0.8 mm (0.031 in) 0.45 mm (0.018 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0603 2.0ohm 5% Curr Sense AEC-Q200
Datasheet
2.290In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 2 Ohms 250 mW (1/4 W) 5 % 200 PPM / C 0603 1608 1.6 mm (0.063 in) 0.8 mm (0.031 in) 0.45 mm (0.018 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0603 3.3ohm 5% Curr Sense AEC-Q200
Datasheet
2.835In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 3.3 Ohms 250 mW (1/4 W) 5 % 200 PPM / C 0603 1608 1.6 mm (0.063 in) 0.8 mm (0.031 in) 0.45 mm (0.018 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0603 5.1ohm 5% Curr Sense AEC-Q200
Datasheet
2.583In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 5.1 Ohms 250 mW (1/4 W) 5 % 200 PPM / C 0603 1608 1.6 mm (0.063 in) 0.8 mm (0.031 in) 0.45 mm (0.018 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0603 9.1ohm 5% Curr Sense AEC-Q200
Datasheet
8.414In Stock
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape ERJ-BQ/BS 9.1 Ohms 250 mW (1/4 W) 5 % 200 PPM / C 0603 1608 1.6 mm (0.063 in) 0.8 mm (0.031 in) 0.45 mm (0.018 in) - 55 C + 125 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0603 0.33ohm 5% Curr Sense AEC-Q200
Datasheet
1.919In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 330 mOhms 250 mW (1/4 W) 5 % 300 PPM / C 0603 1608 1.6 mm (0.063 in) 0.8 mm (0.031 in) 0.45 mm (0.018 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0603 0.43ohm 5% Curr Sense AEC-Q200
Datasheet
5.033In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 430 mOhms 250 mW (1/4 W) 5 % 300 PPM / C 0603 1608 1.6 mm (0.063 in) 0.8 mm (0.031 in) 0.45 mm (0.018 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0603 0.47ohm 5% Curr Sense AEC-Q200
Datasheet
10.544In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 470 mOhms 250 mW (1/4 W) 5 % 300 PPM / C 0603 1608 1.6 mm (0.063 in) 0.8 mm (0.031 in) 0.45 mm (0.018 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0603 0.51ohm 5% Curr Sense AEC-Q200
Datasheet
540In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 510 mOhms 250 mW (1/4 W) 5 % 300 PPM / C 0603 1608 1.6 mm (0.063 in) 0.8 mm (0.031 in) 0.45 mm (0.018 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD Resis Value,5%, Tape and Reel
Datasheet
9.783In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 680 mOhms 250 mW (1/4 W) 5 % 250 PPM / C 0603 1608 1.6 mm (0.063 in) 0.8 mm (0.031 in) 0.45 mm (0.018 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0603 0.10ohm 1% Curr Sense AEC-Q200
Datasheet
865In Stock
20.000On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 100 mOhms 250 mW (1/4 W) 1 % 300 PPM / C 0603 1608 1.6 mm (0.063 in) 0.8 mm (0.031 in) 0.45 mm (0.018 in) - 55 C + 125 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0603 0.11ohm 1% Curr Sense AEC-Q200
Datasheet
1.480In Stock
5.000Expected 4/20/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 110 mOhms 250 mW (1/4 W) 1 % 300 PPM / C 0603 1608 1.6 mm (0.063 in) 0.8 mm (0.031 in) 0.45 mm (0.018 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0603 0.12ohm 1% Curr Sense AEC-Q200
Datasheet
13.299In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 120 mOhms 250 mW (1/4 W) 1 % 300 PPM / C 0603 1608 1.6 mm (0.063 in) 0.8 mm (0.031 in) 0.45 mm (0.018 in) - 55 C + 125 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0603 0.13ohm 1% Curr Sense AEC-Q200
Datasheet
4.985In Stock
5.000Expected 4/20/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 130 mOhms 250 mW (1/4 W) 1 % 300 PPM / C 0603 1608 1.6 mm (0.063 in) 0.8 mm (0.031 in) 0.45 mm (0.018 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0603 0.15ohm 1% Curr Sense AEC-Q200
Datasheet
116In Stock
10.000Expected 2/25/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 150 mOhms 250 mW (1/4 W) 1 % 300 PPM / C 0603 1608 1.6 mm (0.063 in) 0.8 mm (0.031 in) 0.45 mm (0.018 in) - 55 C + 125 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0603 0.16ohm 1% Curr Sense AEC-Q200
Datasheet
585In Stock
5.000Expected 2/23/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 160 mOhms 250 mW (1/4 W) 1 % 300 PPM / C 0603 1608 1.6 mm (0.063 in) 0.8 mm (0.031 in) 0.45 mm (0.018 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200