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 1206 0.027ohm 1% Curr Sense AEC-Q200
Datasheet
3.877In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-xBW 27 mOhms 1 W 1 % 150 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 1206 0.030ohm 1% Curr Sense AEC-Q200
Datasheet
230In Stock
10.000On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-xBW 30 mOhms 1 W 1 % 150 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 1206 0.033ohm 1% Curr Sense AEC-Q200
Datasheet
5.208In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-xBW 33 mOhms 1 W 1 % 150 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 1206 0.036ohm 1% Curr Sense AEC-Q200
Datasheet
6.271In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-xBW 36 mOhms 1 W 1 % 150 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 1206 0.043ohm 1% Curr Sense AEC-Q200
Datasheet
756In Stock
5.000Expected 25/02/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-xBW 43 mOhms 1 W 1 % 150 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 1206 50mOhm 1% Curr Sense AEC-Q200
Datasheet
5.935In Stock
10.000Expected 01/05/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-xBW 50 mOhms 1 W 1 % 100 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 1206 0.051ohm 1% Curr Sense AEC-Q200
Datasheet
5.275In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-xBW 51 mOhms 1 W 1 % 100 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 1206 0.056ohm 1% Curr Sense AEC-Q200
Datasheet
3.673In Stock
5.000Expected 30/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-xBW 56 mOhms 1 W 1 % 100 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 1206 0.062ohm 1% Curr Sense AEC-Q200
Datasheet
4.746In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-xBW 62 mOhms 1 W 1 % 100 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 1206 0.068ohm 1% Curr Sense AEC-Q200
Datasheet
2.833In Stock
10.000Expected 09/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-xBW 68 mOhms 1 W 1 % 100 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 1206 0.018ohm 5% Curr Sense AEC-Q200
Datasheet
80In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-xBW 18 mOhms 1 W 5 % 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 1206 0.020ohm 5% Curr Sense AEC-Q200
Datasheet
1.538In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-xBW 20 mOhms 1 W 5 % 150 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 1206 0.022ohm 5% Curr Sense AEC-Q200
Datasheet
5.174In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-xBW 22 mOhms 1 W 5 % 150 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 1206 0.03ohms 5% Thick Film Resistor
Datasheet
2.782In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-xBW 30 mOhms 1 W 5 % 150 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 1206 0.033ohm 5% Curr Sense AEC-Q200
Datasheet
4.989In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-xBW 33 mOhms 1 W 5 % 150 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 1206 0.036ohm 5% Curr Sense AEC-Q200
Datasheet
2.217In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-xBW 36 mOhms 1 W 5 % 150 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 1206 50mOhm 5% Curr Sense AEC-Q200
Datasheet
4.662In Stock
5.000Expected 23/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-xBW 50 mOhms 1 W 5 % 100 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 1206 0.051ohm 5% Curr Sense AEC-Q200
Datasheet
3.712In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-xBW 51 mOhms 1 W 5 % 100 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 1206 0.075ohm 5% Curr Sense AEC-Q200
Datasheet
3.665In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-xBW 75 mOhms 1 W 5 % 100 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 1206 0.082ohm 5% Curr Sense AEC-Q200
Datasheet
3.965In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-xBW 82 mOhms 1 W 5 % 100 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 1.5ohms 1% Tol AEC-Q200
Datasheet
612In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-Bx 1.5 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 2.0ohms 1% Tol AEC-Q200
Datasheet
2.872In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-Bx 2 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 2.2ohms 1% Tol AEC-Q200
Datasheet
4.789In Stock
5.000Expected 06/04/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-Bx 2.2 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 9.1ohms 1% Tol AEC-Q200
Datasheet
800In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-Bx 9.1 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 0.62ohms 1% Tol AEC-Q200
Datasheet
1.796In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel ERJ-Bx 620 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