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 Industry Current Sense Resistors - SMD 1210 1.1ohm 1% Curr Sense AEC-Q200
Datasheet
1,230In Stock
10,000Expected 10/9/2026
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 1.1 Ohms 500 mW (1/2 W) 1 % 100 PPM / C 1210 3225 3.2 mm (0.126 in) 2.5 mm (0.098 in) 0.6 mm (0.024 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Industry Current Sense Resistors - SMD 1210 1.3ohm 1% Curr Sense AEC-Q200
Datasheet
1,629In Stock
10,000Expected 15/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 1.3 Ohms 500 mW (1/2 W) 1 % 100 PPM / C 1210 3225 3.2 mm (0.126 in) 2.5 mm (0.098 in) 0.6 mm (0.024 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Industry Current Sense Resistors - SMD 1210 2.2ohm 1% Curr Sense AEC-Q200
Datasheet
9,239In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 2.2 Ohms 500 mW (1/2 W) 1 % 100 PPM / C 1210 3225 3.2 mm (0.126 in) 2.5 mm (0.098 in) 0.6 mm (0.024 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Industry Current Sense Resistors - SMD 1210 3.6ohm 1% Curr Sense AEC-Q200
Datasheet
4,568In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 3.6 Ohms 500 mW (1/2 W) 1 % 100 PPM / C 1210 3225 3.2 mm (0.126 in) 2.5 mm (0.098 in) 0.6 mm (0.024 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Industry Current Sense Resistors - SMD 1210 0.22ohm 1% Curr Sense AEC-Q200
Datasheet
8,757In Stock
10,000Expected 26/11/2026
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 220 mOhms 500 mW (1/2 W) 1 % 100 PPM / C 1210 3225 3.2 mm (0.126 in) 2.5 mm (0.098 in) 0.6 mm (0.024 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Industry Current Sense Resistors - SMD 1210 0.27ohm 1% Curr Sense AEC-Q200
Datasheet
5,171In Stock
10,000Expected 7/9/2026
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 270 mOhms 500 mW (1/2 W) 1 % 100 PPM / C 1210 3225 3.2 mm (0.126 in) 2.5 mm (0.098 in) 0.6 mm (0.024 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Industry Current Sense Resistors - SMD 1210 0.39ohm 1% Curr Sense AEC-Q200
Datasheet
9,513In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 390 mOhms 500 mW (1/2 W) 1 % 100 PPM / C 1210 3225 3.2 mm (0.126 in) 2.5 mm (0.098 in) 0.6 mm (0.024 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Industry Current Sense Resistors - SMD 1210 0.51ohm 1% Curr Sense AEC-Q200
Datasheet
8,763In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 510 mOhms 500 mW (1/2 W) 1 % 100 PPM / C 1210 3225 3.2 mm (0.126 in) 2.5 mm (0.098 in) 0.6 mm (0.024 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Industry Current Sense Resistors - SMD 1210 0.82ohm 1% Curr Sense AEC-Q200
Datasheet
9,508In Stock
10,000Expected 24/9/2026
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 820 mOhms 500 mW (1/2 W) 1 % 100 PPM / C 1210 3225 3.2 mm (0.126 in) 2.5 mm (0.098 in) 0.6 mm (0.024 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Industry Current Sense Resistors - SMD 1210 0.3ohm 5% Curr Sense AEC-Q200
Datasheet
3,494In Stock
5,000Expected 28/9/2026
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 300 mOhms 500 mW (1/2 W) 5 % 200 PPM / C 1210 3225 3.2 mm (0.126 in) 2.5 mm (0.098 in) 0.6 mm (0.024 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Industry Current Sense Resistors - SMD 1210 0.33ohm 5% Curr Sense AEC-Q200
Datasheet
2,482In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 330 mOhms 500 mW (1/2 W) 5 % 200 PPM / C 1210 3225 3.2 mm (0.126 in) 2.5 mm (0.098 in) 0.6 mm (0.024 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Industry Current Sense Resistors - SMD 1210 0.2ohm 5% Curr Sense AEC-Q200
Datasheet
1,081In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 200 mOhms 500 mW (1/2 W) 5 % 200 PPM / C 1210 3225 3.2 mm (0.126 in) 2.5 mm (0.098 in) 0.6 mm (0.024 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Industry Current Sense Resistors - SMD 0402 0.24ohm 1% Curr Sense AEC-Q200
Datasheet
17,737In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 10,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 240 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 Industry Current Sense Resistors - SMD 0402 0.33ohm 1% Curr Sense AEC-Q200
Datasheet
20,024In Stock
180,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 10,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 330 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 Industry Current Sense Resistors - SMD 0402 0.36ohm 1% Curr Sense AEC-Q200
Datasheet
6,259In Stock
10,000Expected 7/9/2026
MouseReel Available
Min.: 1
Mult.: 1
: 10,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 360 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 Industry Current Sense Resistors - SMD 0402 0.39ohm 1% Curr Sense AEC-Q200
Datasheet
20,000In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 10,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 390 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 Industry Current Sense Resistors - SMD 0402 0.43ohm 1% Curr Sense AEC-Q200
Datasheet
2,690In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 10,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 430 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 Industry Current Sense Resistors - SMD 0402 0.47ohm 1% Curr Sense AEC-Q200
Datasheet
19,858In Stock
20,000Expected 24/9/2026
MouseReel Available
Min.: 1
Mult.: 1
: 10,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 470 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 Industry Current Sense Resistors - SMD 0402 0.51ohm 1% Curr Sense AEC-Q200
Datasheet
13,546In Stock
40,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 10,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 510 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 Industry Current Sense Resistors - SMD 0402 0.62ohm 1% Curr Sense AEC-Q200
Datasheet
19,455In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 10,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 620 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 Industry Current Sense Resistors - SMD 0402 0.68ohm 1% Curr Sense AEC-Q200
Datasheet
20,187In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 Industry Current Sense Resistors - SMD 0402 0.75ohm 1% Curr Sense AEC-Q200
Datasheet
8,480In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 Industry Current Sense Resistors - SMD 0402 0.91ohm 1% Curr Sense AEC-Q200
Datasheet
6,496In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 Industry Current Sense Resistors - SMD 1 OHM 5% 1/6W 250PPM
Datasheet
29,905In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 Industry Current Sense Resistors - SMD 0402 0.22ohm 5% Curr Sense AEC-Q200
Datasheet
9,990In Stock
30,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 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