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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Description Datasheet Availability Pricing (IDR) Filter the results in the table by unit price based on your quantity.
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 0805 0.039ohm 1% Curr Sense AEC-Q200
Datasheet
9.986On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-xBW 39 mOhms 500 mW (1/2 W) 1 % 200 PPM / C 0805 2012 2 mm (0.079 in) 1.25 mm (0.049 in) 0.65 mm (0.026 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 1206 0.013ohm 1% Curr Sense AEC-Q200
Datasheet
9.821On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-xBW 13 mOhms 1 W 1 % 200 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.65 mm (0.026 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 1020 1.0ohms 1% Tol AEC-Q200
Datasheet
15.000Expected 09/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-Bx 1 Ohms 2 W 1 % 100 PPM / C 1020 (Reversed) 2550 (Reversed) 2.5 mm (0.098 in) 5 mm (0.197 in) 0.55 mm (0.022 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 1020 0.33ohms 1% Tol AEC-Q200
Datasheet
5.000Expected 07/05/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-Bx 330 mOhms 2 W 1 % 100 PPM / C 1020 (Reversed) 2550 (Reversed) 2.5 mm (0.098 in) 5 mm (0.197 in) 0.55 mm (0.022 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0612 0.3ohms 1% Tol AEC-Q200
Datasheet
16.000Expected 20/02/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-Bx 300 mOhms 1 W 1 % 100 PPM / C 0612 (Reversed) 1632 (Reversed) 1.6 mm (0.063 in) 3.2 mm (0.126 in) 0.55 mm (0.022 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0612 0.1ohms 1% Tol AEC-Q200
Datasheet
19.979Expected 27/04/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-Bx 100 mOhms 1 W 1 % 0 PPM / C, 100 PPM / C 0612 (Reversed) 1632 (Reversed) 1.6 mm (0.063 in) 3.2 mm (0.126 in) 0.55 mm (0.022 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 1210 1.8ohm 1% Curr Sense AEC-Q200
Datasheet
10.000Expected 23/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 1.8 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 Current Sense Resistors - SMD 1210 0.27ohm 1% Curr Sense AEC-Q200
Datasheet
9.776Expected 25/02/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 270 mOhms 500 mW (1/2 W) 1 % 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 Current Sense Resistors - SMD 1210 0.56ohm 1% Curr Sense AEC-Q200
Datasheet
9.995Expected 25/02/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 560 mOhms 500 mW (1/2 W) 1 % 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 Current Sense Resistors - SMD 0402 0.47ohm 5% Curr Sense AEC-Q200
Datasheet
29.959On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10.000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 470 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 0.82ohm 5% Curr Sense AEC-Q200
Datasheet
9.986Expected 09/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10.000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 820 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 0.13ohm 1% Curr Sense AEC-Q200
Datasheet
19.933Expected 27/04/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10.000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 130 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 1.8 OHM 1% 1/4W 200PPM
Datasheet
16.060On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 1.8 Ohms 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 + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0603 7.5ohm 1% Curr Sense AEC-Q200
Datasheet
10.000Expected 09/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 7.5 Ohms 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 + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD .3 OHM 1% 1/4W 300PPM
Datasheet
20.000On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 300 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 3.0ohm 5% Curr Sense AEC-Q200
Datasheet
4.798Expected 23/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 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 25mOhm 1% Curr Sense AEC-Q200
Datasheet
9.359On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-xBW 25 mOhms 330 mW (1/3 W) 1 % 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 0805 0.36ohm 1% Curr Sense AEC-Q200
Datasheet
10.000Expected 23/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 360 mOhms 330 mW (1/3 W) 1 % 200 PPM / C 0805 2012 2 mm (0.079 in) 1.2 mm (0.047 in) 0.6 mm (0.024 in) - 55 C + 125 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0805 0.82ohm 1% Curr Sense AEC-Q200
Datasheet
9.853Expected 27/04/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-BQ/BS 820 mOhms 330 mW (1/3 W) 1 % 200 PPM / C 0805 2012 2 mm (0.079 in) 1.2 mm (0.047 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 0.39ohm 1% Curr Sense AEC-Q200
Datasheet
9.996Expected 27/04/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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 Current Sense Resistors - SMD 1020 0.10ohms 5% Tol AEC-Q200
Datasheet
5.000Expected 05/05/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-Bx 100 mOhms 2 W 5 % 200 PPM / C 1020 (Reversed) 2550 (Reversed) 2.5 mm (0.098 in) 5 mm (0.197 in) 0.55 mm (0.022 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0612 22Kohms 5% AEC-Q200
Datasheet
4.996Expected 08/05/2026
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape ERJ-Bx 22 kOhms 750 mW (3/4 W) 5 % 200 PPM / C 0612 (Reversed) 1632 (Reversed) 1.6 mm (0.063 in) 3.2 mm (0.126 in) 0.55 mm (0.022 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0612 1ohms 1% Tol AEC-Q200
Datasheet
10.000Expected 20/02/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-Bx 1 Ohms 1 W 1 % 100 PPM / C 0612 (Reversed) 1632 (Reversed) 1.6 mm (0.063 in) 3.2 mm (0.126 in) 0.55 mm (0.022 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0612 2ohms 1% Tol AEC-Q200
Datasheet
4.993Expected 09/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-Bx 2 Ohms 1 W 1 % 100 PPM / C 0612 (Reversed) 1632 (Reversed) 1.6 mm (0.063 in) 3.2 mm (0.126 in) 0.55 mm (0.022 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
Panasonic Current Sense Resistors - SMD 0612 3.9ohms 1% Tol AEC-Q200
Datasheet
10.000Expected 09/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-Bx 3.9 Ohms 1 W 1 % 100 PPM / C 0612 (Reversed) 1632 (Reversed) 1.6 mm (0.063 in) 3.2 mm (0.126 in) 0.55 mm (0.022 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200