CFN-A Metal Foil Current Sensing Resistors

Bourns CFN-A resistors are metal foil resistors used primarily for current sensing applications. These resistors come in packages ranging from 0402 to 1206, and feature resistance ratings from 5mΩ to 40mΩ. Bourns CFN-A metal foil resistors come in both 5% and 1% tolerances. Applications for these current sensing resistors include power supplies, stepper motor drivers, and input amplifiers.

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Series
Resistance
Rating ng Power
Tolerance
Coefficient ng Temperatura
Code ng Case - in
Code ng Case - mm
Haba
Lapad
Taas
Minimum na Operating Temperature
Maximum na Operating Temperature
Teknolohiya
Termination
Istilo ng Termination
Bourns Current Sense Resistors - SMD .01 OHM 1% 1W 100PPM
Datasheet
5,979May Stock
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 4,000

Reel, Cut Tape, MouseReel CFN-A 10 mOhms 1 W 1 % 100 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.7 mm (0.028 in) - 55 C + 155 C Metal Foil 2 Terminal SMD/SMT
Bourns Current Sense Resistors - SMD .02 OHM 1% 1W 100PPM
Datasheet
7,208May Stock
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 4,000

Reel, Cut Tape, MouseReel CFN-A 20 mOhms 1 W 1 % 100 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.7 mm (0.028 in) - 55 C + 155 C Metal Foil 2 Terminal SMD/SMT
Bourns Current Sense Resistors - SMD .04 OHM 1% 1W 100PPM
Datasheet
4,179May Stock
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 4,000

Reel, Cut Tape, MouseReel CFN-A 40 mOhms 1 W 1 % 100 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.7 mm (0.028 in) - 55 C + 155 C Metal Foil 2 Terminal SMD/SMT
Bourns Current Sense Resistors - SMD .005 OHM 1% 1W 50PPM
Datasheet
1,305May Stock
4,000Inaasahan 6/3/2026
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 4,000

Reel, Cut Tape, MouseReel CFN-A 5 mOhms 1 W 1 % 50 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.7 mm (0.028 in) - 55 C + 155 C Metal Foil 2 Terminal SMD/SMT
Bourns Current Sense Resistors - SMD ResMetalFoil A 1206 R040 5% 1W TCR100
Datasheet
3,990May Stock
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 4,000

Reel, Cut Tape, MouseReel CFN-A 40 mOhms 1 W 5 % 100 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.7 mm (0.028 in) - 55 C + 155 C Metal Foil 2 Terminal SMD/SMT
Bourns Current Sense Resistors - SMD ResMetalFoil A 1206 R005 5% 1W TCR50
Datasheet
3,867May Stock
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 4,000

Reel, Cut Tape, MouseReel CFN-A 5 mOhms 1 W 5 % 50 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.7 mm (0.028 in) - 55 C + 155 C Metal Foil 2 Terminal SMD/SMT
Bourns Current Sense Resistors - SMD ResMetalFoil A 1206 R020 5% 1W TCR50
Datasheet
3,819May Stock
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 4,000

Reel, Cut Tape, MouseReel CFN-A 20 mOhms 1 W 5 % 50 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.7 mm (0.028 in) - 55 C + 155 C Metal Foil 2 Terminal SMD/SMT
Bourns Current Sense Resistors - SMD .005 OHM 1% 1/2W 100PPM
Datasheet
5,233May Stock
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape CFN-A 5 mOhms 500 mW (1/2 W) 1 % 100 PPM / C 0603 1608 - 55 C + 155 C Metal Foil 2 Terminal SMD/SMT
Bourns Current Sense Resistors - SMD .01 OHM 1% 1/2W 50PPM
Datasheet
4,800May Stock
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel CFN-A 10 mOhms 500 mW (1/2 W) 1 % 50 PPM / C 0603 1608 - 55 C + 155 C Metal Foil 2 Terminal SMD/SMT
Bourns Current Sense Resistors - SMD .02 OHM 1% 1/2W 50PPM
Datasheet
2,309May Stock
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape CFN-A 0603 1608 2 Terminal
Bourns Current Sense Resistors - SMD .01 OHM 1% 3/4W 50PPM
Datasheet
1,712May Stock
4,000Inaasahan 6/1/2026
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 4,000

Reel, Cut Tape, MouseReel CFN-A 0805 2012 2 Terminal
Bourns Current Sense Resistors - SMD .02 OHM 1% 3/4W 50PPM
Datasheet
3,921May Stock
Min.: 1
Mult.: 1
Reel: 4,000

Reel, Cut Tape CFN-A 0805 2012 2 Terminal
Bourns Current Sense Resistors - SMD .03 OHM 1% 3/4W 50PPM
Datasheet
5,876May Stock
Min.: 1
Mult.: 1
Reel: 4,000

Reel, Cut Tape CFN-A 0805 2012 2 Terminal
Bourns Current Sense Resistors - SMD .005 OHM 1% 1W 100PPM
Datasheet
7,187May Stock
Min.: 1
Mult.: 1
Reel: 4,000

Reel, Cut Tape CFN-A 5 mOhms 1 W 1 % 100 PPM / C 1206 3216 - 55 C + 155 C Metal Foil 2 Terminal SMD/SMT
Bourns Current Sense Resistors - SMD .01 OHM 1% 1W 50PPM
Datasheet
7,740May Stock
Min.: 1
Mult.: 1
Reel: 4,000

Reel, Cut Tape CFN-A 1206 3115 2 Terminal
Bourns Current Sense Resistors - SMD .02 OHM 1% 1W 50PPM
Datasheet
7,450May Stock
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 4,000

Reel, Cut Tape, MouseReel CFN-A 1206 3115 2 Terminal
Bourns Current Sense Resistors - SMD .04 OHM 1% 1W 50PPM
Datasheet
7,409May Stock
Min.: 1
Mult.: 1
Reel: 4,000

Reel, Cut Tape CFN-A 40 mOhms 1 W 1 % 50 PPM / C 1206 3216 - 55 C + 155 C Metal Foil 2 Terminal SMD/SMT
Bourns Current Sense Resistors - SMD .02 OHM 1% 1/4W 100PPM
Datasheet
Lead-Time para sa Hindi Naka-stock 14 (na) Linggo
Min.: 10,000
Mult.: 10,000
Reel: 10,000

Reel CFN-A 20 mOhms 200 mW (1/5 W) 1 % 100 PPM / C 0402 1005 1.1 mm (0.043 in) 0.55 mm (0.022 in) 0.45 mm (0.018 in) - 55 C + 125 C Metal Foil 2 Terminal SMD/SMT
Bourns Current Sense Resistors - SMD ResMetalFoil A 0402 R01 5% 0.25W TCR100
Datasheet
Lead-Time para sa Hindi Naka-stock 14 (na) Linggo
Min.: 10,000
Mult.: 10,000
Reel: 10,000

Reel CFN-A 10 mOhms 200 mW (1/5 W) 5 % 100 PPM / C 0402 1005 1.1 mm (0.043 in) 0.55 mm (0.022 in) 0.45 mm (0.018 in) - 55 C + 125 C Metal Foil 2 Terminal SMD/SMT
Bourns Current Sense Resistors - SMD ResMetalFoil A 0402 R02 5% 0.25W TCR100
Datasheet
Lead-Time para sa Hindi Naka-stock 14 (na) Linggo
Min.: 10,000
Mult.: 10,000
Reel: 10,000

Reel CFN-A 20 mOhms 200 mW (1/5 W) 5 % 100 PPM / C 0402 1005 1.1 mm (0.043 in) 0.55 mm (0.022 in) 0.45 mm (0.018 in) - 55 C + 125 C Metal Foil 2 Terminal SMD/SMT
Bourns Current Sense Resistors - SMD ResMetalFoil A 0603 R010 5% 0.5W TCR100
Datasheet
Lead-Time para sa Hindi Naka-stock 14 (na) Linggo
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel CFN-A 10 mOhms 500 mW (1/2 W) 5 % 100 PPM / C 0603 1508 1.6 mm (0.063 in) 0.8 mm (0.031 in) 0.6 mm (0.024 in) - 55 C + 155 C Metal Foil 2 Terminal SMD/SMT
Bourns Current Sense Resistors - SMD ResMetalFoil A 0603 R005 5% 0.5W TCR50
Datasheet
Lead-Time para sa Hindi Naka-stock 14 (na) Linggo
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel CFN-A 5 mOhms 500 mW (1/2 W) 5 % 50 PPM / C 0603 1508 1.6 mm (0.063 in) 0.8 mm (0.031 in) 0.6 mm (0.024 in) - 55 C + 155 C Metal Foil 2 Terminal SMD/SMT
Bourns Current Sense Resistors - SMD ResMetalFoil A 0603 R020 5% 0.5W TCR50
Datasheet
Lead-Time para sa Hindi Naka-stock 14 (na) Linggo
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel CFN-A 20 mOhms 500 mW (1/2 W) 5 % 50 PPM / C 0603 1508 1.6 mm (0.063 in) 0.8 mm (0.031 in) 0.6 mm (0.024 in) - 55 C + 155 C Metal Foil 2 Terminal SMD/SMT
Bourns Current Sense Resistors - SMD ResMetalFoil A 0805 R005 5% 0.75W TCR10
Datasheet
Lead-Time para sa Hindi Naka-stock 14 (na) Linggo
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 4,000

Reel, Cut Tape, MouseReel CFN-A 5 mOhms 750 mW (3/4 W) 5 % 100 PPM / C 0805 2012 2 mm (0.079 in) 1.25 mm (0.049 in) 0.7 mm (0.028 in) - 55 C + 155 C Metal Foil 2 Terminal SMD/SMT
Bourns Current Sense Resistors - SMD ResMetalFoil A 0805 R005 5% 0.75W TCR50
Datasheet
Lead-Time para sa Hindi Naka-stock 14 (na) Linggo
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 4,000

Reel, Cut Tape, MouseReel CFN-A 5 mOhms 750 mW (3/4 W) 5 % 50 PPM / C 0805 2012 2 mm (0.079 in) 1.25 mm (0.049 in) 0.7 mm (0.028 in) - 55 C + 155 C Metal Foil 2 Terminal SMD/SMT