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 0402 0.68ohm 1% Curr Sense AEC-Q200
Datasheet
21,636In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 680 mOhms 166 mW (1/6 W) 1 % 250 PPM / C 0402 1005 1 mm (0.039 in) 0.5 mm (0.02 in) 0.35 mm (0.014 in) - 55 C + 125 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0402 0.75ohm 1% Curr Sense AEC-Q200
Datasheet
10,000In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 750 mOhms 166 mW (1/6 W) 1 % 250 PPM / C 0402 1005 1 mm (0.039 in) 0.5 mm (0.02 in) 0.35 mm (0.014 in) - 55 C + 125 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0402 0.91ohm 1% Curr Sense AEC-Q200
Datasheet
7,607In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 910 mOhms 166 mW (1/6 W) 1 % 250 PPM / C 0402 1005 1 mm (0.039 in) 0.5 mm (0.02 in) 0.35 mm (0.014 in) - 55 C + 125 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 1 OHM 5% 1/6W 250PPM
Datasheet
18,365In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 1 Ohms 166 mW (1/6 W) 5 % 250 PPM / C 0402 1005 1 mm (0.039 in) 0.5 mm (0.02 in) 0.35 mm (0.014 in) - 55 C + 125 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0402 0.22ohm 5% Curr Sense AEC-Q200
Datasheet
13,003In Stock
10,000Expected 19/02/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 220 mOhms 166 mW (1/6 W) 5 % 300 PPM / C 0402 1005 1 mm (0.039 in) 0.5 mm (0.02 in) 0.35 mm (0.014 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0402 0.27ohm 5% Curr Sense AEC-Q200
Datasheet
6,573In Stock
20,000Expected 25/02/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 270 mOhms 166 mW (1/6 W) 5 % 0402 1005 1 mm (0.039 in) 0.5 mm (0.02 in) 0.35 mm (0.014 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0402 0.3ohm 5% Curr Sense AEC-Q200
Datasheet
47,961In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 300 mOhms 166 mW (1/6 W) 5 % 250 PPM / C 0402 1005 1 mm (0.039 in) 0.5 mm (0.02 in) 0.35 mm (0.014 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0402 0.33ohm 5% Curr Sense AEC-Q200
Datasheet
5,774In Stock
10,000Expected 20/04/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 330 mOhms 166 mW (1/6 W) 5 % 0402 1005 1 mm (0.039 in) 0.5 mm (0.02 in) 0.35 mm (0.014 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0402 0.39ohms 5% Thick Film Resistor
Datasheet
778In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 390 mOhms 166 mW (1/6 W) 5 % 250 PPM / C 0402 1005 1 mm (0.039 in) 0.5 mm (0.02 in) 0.35 mm (0.014 in) - 55 C + 125 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0402 0.51ohm 5% Curr Sense AEC-Q200
Datasheet
12,820In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 510 mOhms 166 mW (1/6 W) 5 % 250 PPM / C 0402 1005 1 mm (0.039 in) 0.5 mm (0.02 in) 0.35 mm (0.014 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0402 0.56ohm 5% Curr Sense AEC-Q200
Datasheet
6,500In Stock
10,000Expected 20/04/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 560 mOhms 166 mW (1/6 W) 5 % 0402 1005 1 mm (0.039 in) 0.5 mm (0.02 in) 0.35 mm (0.014 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0402 0.68ohm 5% Curr Sense AEC-Q200
Datasheet
4,951In Stock
10,000Expected 09/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 680 mOhms 166 mW (1/6 W) 5 % 0402 1005 1 mm (0.039 in) 0.5 mm (0.02 in) 0.35 mm (0.014 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0402 0.12ohm 1% Curr Sense AEC-Q200
Datasheet
15,996In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 120 mOhms 166 mW (1/6 W) 1 % 300 PPM / C 0402 1005 1 mm (0.039 in) 0.5 mm (0.02 in) 0.35 mm (0.014 in) - 55 C + 125 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0402 0.15ohm 1% Curr Sense AEC-Q200
Datasheet
2,845In Stock
10,000Expected 20/04/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 150 mOhms 166 mW (1/6 W) 1 % 300 PPM / C 0402 1005 1 mm (0.039 in) 0.5 mm (0.02 in) 0.35 mm (0.014 in) - 55 C + 125 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0402 0.16ohm 1% Curr Sense AEC-Q200
Datasheet
14,411In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 160 mOhms 166 mW (1/6 W) 1 % 300 PPM / C 0402 1005 1 mm (0.039 in) 0.5 mm (0.02 in) 0.35 mm (0.014 in) - 55 C + 125 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD .1 OHM 5% 1/6W
Datasheet
12,336In Stock
10,000Expected 23/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 100 mOhms 166 mW (1/6 W) 5 % 300 PPM / C 0402 1005 1 mm (0.039 in) 0.5 mm (0.02 in) 0.35 mm (0.014 in) - 55 C + 125 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0402 0.2ohm 5% Curr Sense AEC-Q200
Datasheet
11,993In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 200 mOhms 166 mW (1/6 W) 5 % 300 PPM / C 0402 1005 1 mm (0.039 in) 0.5 mm (0.02 in) 0.35 mm (0.014 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0402 0.047ohm 1% Curr Sense AEC-Q200
Datasheet
11,009In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Reel, Cut Tape, MouseReel ERJ-xBW 47 mOhms 250 mW (1/4 W) 1 % 300 PPM / C 0402 1005 1 mm (0.039 in) 0.5 mm (0.02 in) 0.35 mm (0.014 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0402 50mOhm 1% Curr Sense AEC-Q200
Datasheet
1,304In Stock
20,000Expected 30/04/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Reel, Cut Tape, MouseReel ERJ-xBW 50 mOhms 250 mW (1/4 W) 1 % 300 PPM / C 0402 1005 1 mm (0.039 in) 0.5 mm (0.02 in) 0.35 mm (0.014 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0402 0.062ohm 1% Curr Sense AEC-Q200
Datasheet
6,240In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Reel, Cut Tape, MouseReel ERJ-xBW 62 mOhms 250 mW (1/4 W) 1 % 300 PPM / C 0402 1005 1 mm (0.039 in) 0.5 mm (0.02 in) 0.35 mm (0.014 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0402 0.068ohm 1% Curr Sense AEC-Q200
Datasheet
10,825In Stock
18,500Expected 19/02/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Reel, Cut Tape, MouseReel ERJ-xBW 68 mOhms 250 mW (1/4 W) 1 % 300 PPM / C 0402 1005 1 mm (0.039 in) 0.5 mm (0.02 in) 0.35 mm (0.014 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0402 0.075ohm 1% Curr Sense AEC-Q200
Datasheet
5,276In Stock
10,000Expected 16/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Reel, Cut Tape, MouseReel ERJ-xBW 75 mOhms 250 mW (1/4 W) 1 % 300 PPM / C 0402 1005 1 mm (0.039 in) 0.5 mm (0.02 in) 0.35 mm (0.014 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0402 0.082ohm 1% Curr Sense AEC-Q200
Datasheet
7,086In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Reel, Cut Tape, MouseReel ERJ-xBW 82 mOhms 250 mW (1/4 W) 1 % 300 PPM / C 0402 1005 1 mm (0.039 in) 0.5 mm (0.02 in) 0.35 mm (0.014 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0402 0.091ohm 1% Curr Sense AEC-Q200
Datasheet
7,080In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Reel, Cut Tape, MouseReel ERJ-xBW 91 mOhms 250 mW (1/4 W) 1 % 300 PPM / C 0402 1005 1 mm (0.039 in) 0.5 mm (0.02 in) 0.35 mm (0.014 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0402 0.047ohm 5% Curr Sense AEC-Q200
Datasheet
1,664In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Reel, Cut Tape, MouseReel ERJ-xBW 47 mOhms 250 mW (1/4 W) 5 % 300 PPM / C 0402 1005 1 mm (0.039 in) 0.5 mm (0.02 in) 0.35 mm (0.014 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200