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 2.4 OHM 1% 1/2W
Datasheet
20.678In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5.000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 2.4 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 Industry Current Sense Resistors - SMD 1206 2.7ohm 1% Curr Sense AEC-Q200
Datasheet
909In Stock
10.000Expected 10/22/2026
MouseReel Available
Min.: 1
Mult.: 1
: 5.000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 2.7 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 Industry Current Sense Resistors - SMD 3 OHM 1% 1/2W
Datasheet
6.614In Stock
10.000Expected 9/21/2026
MouseReel Available
Min.: 1
Mult.: 1
: 5.000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 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 Industry Current Sense Resistors - SMD 1206 3.3ohm 1% Curr Sense AEC-Q200
Datasheet
751In Stock
80.000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 5.000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 3.3 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 Industry Current Sense Resistors - SMD 1206 3.6ohm 1% Curr Sense AEC-Q200
Datasheet
13.924In 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 % 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 Industry Current Sense Resistors - SMD 3.9 OHM 1% 1/2W
Datasheet
4.548In Stock
25.000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 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 Industry Current Sense Resistors - SMD 1206 4.3ohm 1% Curr Sense AEC-Q200
Datasheet
8.843In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 Industry Current Sense Resistors - SMD 1206 5.1ohm 1% Curr Sense AEC-Q200
Datasheet
13.716In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 Industry Current Sense Resistors - SMD 1206 5.6ohm 1% Curr Sense AEC-Q200
Datasheet
9.741In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 Industry Current Sense Resistors - SMD 1206 6.2ohm 1% Curr Sense AEC-Q200
Datasheet
14.456In Stock
10.000Expected 9/17/2026
MouseReel Available
Min.: 1
Mult.: 1
: 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 Industry Current Sense Resistors - SMD 1206 6.8ohm 1% Curr Sense AEC-Q200
Datasheet
1.334In Stock
80.000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 5.000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 6.8 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 Industry Current Sense Resistors - SMD 1206 8.2ohm 1% Curr Sense AEC-Q200
Datasheet
9.640In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 Industry Current Sense Resistors - SMD 1206 9.1ohm 1% Curr Sense AEC-Q200
Datasheet
2.784In Stock
5.000Expected 9/15/2026
MouseReel Available
Min.: 1
Mult.: 1
: 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 Industry Current Sense Resistors - SMD 1206 0.24ohm 1% Curr Sense AEC-Q200
Datasheet
8.201In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 Industry Current Sense Resistors - SMD Current Sensing 1206, 270mOhms, 1%, 1/2W
Datasheet
3.588In Stock
30.000Expected 11/30/2026
MouseReel Available
Min.: 1
Mult.: 1
: 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 Industry Current Sense Resistors - SMD 1206 0.3ohm 1% Curr Sense AEC-Q200
Datasheet
13.120In Stock
10.000Expected 9/21/2026
MouseReel Available
Min.: 1
Mult.: 1
: 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 Industry Current Sense Resistors - SMD 1206 0.33ohm 1% Curr Sense AEC-Q200
Datasheet
1.802In Stock
15.000Expected 10/22/2026
MouseReel Available
Min.: 1
Mult.: 1
: 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 Industry Current Sense Resistors - SMD 1206 0.39ohm 1% Curr Sense AEC-Q200
Datasheet
95In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5.000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 390 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 Industry Current Sense Resistors - SMD 1206 0.43ohm 1% Curr Sense AEC-Q200
Datasheet
2.443In Stock
5.000Expected 10/19/2026
MouseReel Available
Min.: 1
Mult.: 1
: 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 Industry Current Sense Resistors - SMD 1206 0.47ohm 1% Curr Sense AEC-Q200
Datasheet
7.398In Stock
10.000Expected 9/21/2026
MouseReel Available
Min.: 1
Mult.: 1
: 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 Industry Current Sense Resistors - SMD 1206 0.51ohm 1% Curr Sense AEC-Q200
Datasheet
3.405In Stock
15.000Expected 10/1/2026
MouseReel Available
Min.: 1
Mult.: 1
: 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 Industry Current Sense Resistors - SMD 1206 0.56ohm 1% Curr Sense AEC-Q200
Datasheet
5.031In Stock
10.000Expected 10/1/2026
MouseReel Available
Min.: 1
Mult.: 1
: 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 Industry Current Sense Resistors - SMD 1206 0.62ohm 1% Curr Sense AEC-Q200
Datasheet
2.176In Stock
25.000Expected 9/28/2026
MouseReel Available
Min.: 1
Mult.: 1
: 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 Industry Current Sense Resistors - SMD 1206 0.68ohm 1% Curr Sense AEC-Q200
Datasheet
2.711In Stock
20.000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 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 Industry Current Sense Resistors - SMD 1206 0.75ohm 1% Curr Sense AEC-Q200
Datasheet
11.129In Stock
25.000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 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