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 3.9 OHM 1% 1/2W
Datasheet
9,059In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 3.9 Ohms 500 mW (1/2 W) 1 % 200 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.6 mm (0.024 in) - 55 C + 125 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 1206 4.3ohm 1% Curr Sense AEC-Q200
Datasheet
8,893In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 4.3 Ohms 500 mW (1/2 W) 1 % 200 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.6 mm (0.024 in) - 55 C + 125 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 4.7 OHM 1% 1/2W 200PPM
Datasheet
11,255In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 4.7 Ohms 500 mW (1/2 W) 1 % 200 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.6 mm (0.024 in) - 55 C + 125 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 1206 5.1ohm 1% Curr Sense AEC-Q200
Datasheet
3,279In Stock
5,000Expected 20/4/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 5.1 Ohms 500 mW (1/2 W) 1 % 200 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.6 mm (0.024 in) - 55 C + 125 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 1206 5.6ohm 1% Curr Sense AEC-Q200
Datasheet
9,898In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 5.6 Ohms 500 mW (1/2 W) 1 % 200 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.6 mm (0.024 in) - 55 C + 125 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 1206 6.2ohm 1% Curr Sense AEC-Q200
Datasheet
9,009In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 6.2 Ohms 500 mW (1/2 W) 1 % 200 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.6 mm (0.024 in) - 55 C + 125 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 1206 8.2ohm 1% Curr Sense AEC-Q200
Datasheet
11,425In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 8.2 Ohms 500 mW (1/2 W) 1 % 200 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.6 mm (0.024 in) - 55 C + 125 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 1206 9.1ohm 1% Curr Sense AEC-Q200
Datasheet
3,094In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 9.1 Ohms 500 mW (1/2 W) 1 % 200 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.6 mm (0.024 in) - 55 C + 125 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD .22 OHM 1% 1/2W
Datasheet
7,130In Stock
55,000On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 220 mOhms 500 mW (1/2 W) 1 % 200 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.6 mm (0.024 in) - 55 C + 125 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 1206 0.24ohm 1% Curr Sense AEC-Q200
Datasheet
4,426In Stock
5,000Expected 20/4/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 240 mOhms 500 mW (1/2 W) 1 % 200 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.6 mm (0.024 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD Current Sensing 1206, 270mOhms, 1%, 1/2W
Datasheet
5,625In Stock
9,450Expected 9/3/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 270 mOhms 500 mW (1/2 W) 1 % 200 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.6 mm (0.024 in) - 55 C + 125 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 1206 0.3ohm 1% Curr Sense AEC-Q200
Datasheet
6,875In Stock
10,000Expected 19/5/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 300 mOhms 500 mW (1/2 W) 1 % 200 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.6 mm (0.024 in) - 55 C + 125 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 1206 0.33ohm 1% Curr Sense AEC-Q200
Datasheet
9,217In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 330 mOhms 500 mW (1/2 W) 1 % 200 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.6 mm (0.024 in) - 55 C + 125 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD .36 OHM 1% 1/2W
Datasheet
9,407In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 360 mOhms 500 mW (1/2 W) 1 % 200 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.6 mm (0.024 in) - 55 C + 125 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 1206 0.43ohm 1% Curr Sense AEC-Q200
Datasheet
8,965In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 430 mOhms 500 mW (1/2 W) 1 % 200 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.6 mm (0.024 in) - 55 C + 125 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 1206 0.47ohm 1% Curr Sense AEC-Q200
Datasheet
4,403In Stock
10,000Expected 29/4/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 470 mOhms 500 mW (1/2 W) 1 % 200 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.6 mm (0.024 in) - 55 C + 125 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 1206 0.51ohm 1% Curr Sense AEC-Q200
Datasheet
9,850In Stock
5,000Expected 4/5/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 510 mOhms 500 mW (1/2 W) 1 % 200 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.6 mm (0.024 in) - 55 C + 125 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 1206 0.56ohm 1% Curr Sense AEC-Q200
Datasheet
4,250In Stock
5,000Expected 9/3/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 560 mOhms 500 mW (1/2 W) 1 % 200 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.6 mm (0.024 in) - 55 C + 125 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 1206 0.62ohm 1% Curr Sense AEC-Q200
Datasheet
4,625In Stock
5,000Expected 20/4/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 620 mOhms 500 mW (1/2 W) 1 % 200 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.6 mm (0.024 in) - 55 C + 125 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 1206 0.68ohm 1% Curr Sense AEC-Q200
Datasheet
7,864In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 680 mOhms 500 mW (1/2 W) 1 % 200 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.6 mm (0.024 in) - 55 C + 125 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 1206 0.75ohm 1% Curr Sense AEC-Q200
Datasheet
13,383In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 750 mOhms 500 mW (1/2 W) 1 % 200 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.6 mm (0.024 in) - 55 C + 125 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 1206 0.82ohm 1% Curr Sense AEC-Q200
Datasheet
11,153In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 820 mOhms 500 mW (1/2 W) 1 % 200 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.6 mm (0.024 in) - 55 C + 125 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 1206 0.91ohm 1% Curr Sense AEC-Q200
Datasheet
3,728In Stock
5,000Expected 27/2/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 910 mOhms 500 mW (1/2 W) 1 % 200 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.6 mm (0.024 in) - 55 C + 125 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 1 OHM 5% 1/2W
Datasheet
3,855In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 1 Ohms 500 mW (1/2 W) 5 % 200 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.6 mm (0.024 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 1206 1.5ohm 5% Curr Sense AEC-Q200
Datasheet
8,240In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 1.5 Ohms 500 mW (1/2 W) 5 % 200 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.6 mm (0.024 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200