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.

Results: 53
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) 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
Bourns Current Sense Resistors - SMD ResMetalFoil A 1206 R010 5% 1W TCR100 7,879In Stock
Cut Tape
$0.598
$0.503
$0.324
$0.274
Reel
$0.138
Min.: 1
Mult.: 1
: 4,000
Reel, Cut Tape, MouseReel CFN-A 10 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 .01 OHM 1% 1/4W 100PPM 7,263In Stock
Cut Tape
$0.936
$0.602
$0.458
$0.407
Reel
$0.233
Min.: 1
Mult.: 1
: 10,000
Reel, Cut Tape, MouseReel CFN-A 10 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 .04 OHM 1% 1W 100PPM 9,902In Stock
Cut Tape
$0.533
$0.339
$0.255
$0.228
Reel
$0.135
Min.: 1
Mult.: 1
: 4,000
Reel, Cut Tape, MouseReel CFN 40 mOhms 1 W 1 % 100 PPM / C 1206 3216 - 55 C + 155 C Metal Foil 2 Terminal SMD/SMT
Bourns Current Sense Resistors - SMD ResMetalFoil A 1206 R010 5% 1W TCR50 7,021In Stock
Cut Tape
$0.676
$0.529
$0.358
$0.283
Reel
$0.146
Min.: 1
Mult.: 1
: 4,000
Reel, Cut Tape, MouseReel CFN-A 10 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 .01 OHM 1% 1W 50PPM 7,740In Stock
Cut Tape
$0.481
$0.436
$0.367
$0.269
Reel
$0.13
Min.: 1
Mult.: 1
: 4,000
Reel, Cut Tape CFN-A 1206 3115 2 Terminal
Bourns Current Sense Resistors - SMD .005 OHM 1% 1W 50PPM 15,797In Stock
Cut Tape
$0.598
$0.384
$0.289
$0.252
Reel
$0.148
Min.: 1
Mult.: 1
: 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 .01 OHM 1% 1/2W 100PPM 1,923In Stock
Cut Tape
$0.741
$0.615
$0.502
$0.298
Reel
$0.148
Min.: 1
Mult.: 1
: 5,000
Reel, Cut Tape, MouseReel CFN-A 10 mOhms 500 mW (1/2 W) 1 % 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 .02 OHM 1% 1/2W 100PPM 1,520In Stock
Cut Tape
$0.572
$0.371
$0.28
$0.248
Reel
$0.147
Min.: 1
Mult.: 1
: 5,000
Reel, Cut Tape, MouseReel CFN-A 20 mOhms 500 mW (1/2 W) 1 % 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 .005 OHM 1% 1/2W 50PPM 3,363In Stock
Cut Tape
$0.572
$0.371
$0.28
$0.248
Reel
$0.147
Min.: 1
Mult.: 1
: 5,000
Reel, Cut Tape, MouseReel CFN-A 5 mOhms 500 mW (1/2 W) 1 % 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 R005 5% 0.5W TCR100 4,894In Stock
Cut Tape
$0.702
$0.58
$0.473
$0.281
Reel
$0.146
Min.: 1
Mult.: 1
: 5,000
Reel, Cut Tape, MouseReel CFN-A 5 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 R020 5% 0.5W TCR100 3,221In Stock
Cut Tape
$0.546
$0.352
$0.265
$0.235
Reel
$0.147
Min.: 1
Mult.: 1
: 5,000
Reel, Cut Tape, MouseReel CFN-A 20 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 R010 5% 0.5W TCR50 4,560In Stock
Cut Tape
$0.702
$0.58
$0.464
$0.295
Reel
$0.148
Min.: 1
Mult.: 1
: 5,000
Reel, Cut Tape, MouseReel CFN-A 10 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 .01 OHM 1% 1/2W 100PPM 182In Stock
5,000Expected 10/21/2026
Cut Tape
$0.572
$0.376
$0.282
$0.235
Reel
$0.135
Min.: 1
Mult.: 1
: 5,000
Reel, Cut Tape, MouseReel 10 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 .005 OHM 1% 1/2W 50PPM 7,091In Stock
10,000Expected 2/11/2027
Cut Tape
$0.546
$0.347
$0.261
$0.233
Reel
$0.14
Min.: 1
Mult.: 1
: 5,000
Reel, Cut Tape, MouseReel 5 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 77In Stock
20,000On Order
Cut Tape
$0.585
$0.376
$0.282
$0.248
Reel
$0.14
Min.: 1
Mult.: 1
: 5,000
Reel, Cut Tape 20 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 .01 OHM 1% 3/4W 100PPM 3,600In Stock
Cut Tape
$0.585
$0.377
$0.285
$0.25
Reel
$0.152
Min.: 1
Mult.: 1
: 4,000
Reel, Cut Tape, MouseReel CFN-A 10 mOhms 750 mW (3/4 W) 1 % 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 .02 OHM 1% 3/4W 100PPM 3,000In Stock
Cut Tape
$0.585
$0.377
$0.285
$0.254
Reel
$0.152
Min.: 1
Mult.: 1
: 4,000
Reel, Cut Tape, MouseReel CFN-A 20 mOhms 750 mW (3/4 W) 1 % 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 .03 OHM 1% 3/4W 100PPM 4,235In Stock
Cut Tape
$0.598
$0.385
$0.29
$0.252
Reel
$0.157
Min.: 1
Mult.: 1
: 4,000
Reel, Cut Tape, MouseReel CFN-A 30 mOhms 750 mW (3/4 W) 1 % 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 .005 OHM 1% 3/4W 50PPM 2,182In Stock
Cut Tape
$0.546
$0.347
$0.261
$0.233
Reel
$0.139
Min.: 1
Mult.: 1
: 4,000
Reel, Cut Tape, MouseReel CFN-A 5 mOhms 750 mW (3/4 W) 1 % 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
Bourns Current Sense Resistors - SMD ResMetalFoil A 0805 R010 5% 0.75W TCR10 3,665In Stock
Cut Tape
$0.507
$0.328
$0.247
$0.22
Reel
$0.126
Min.: 1
Mult.: 1
: 4,000
Reel, Cut Tape, MouseReel CFN-A 10 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 R020 5% 0.75W TCR10 2,909In Stock
Cut Tape
$0.624
$0.519
$0.413
$0.264
Reel
$0.126
Min.: 1
Mult.: 1
: 4,000
Reel, Cut Tape, MouseReel CFN-A 20 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 R030 5% 0.75W TCR10 3,750In Stock
Cut Tape
$0.507
$0.328
$0.247
$0.22
Reel
$0.126
Min.: 1
Mult.: 1
: 4,000
Reel, Cut Tape, MouseReel CFN-A 30 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 R030 5% 0.75W TCR50 3,955In Stock
Cut Tape
$0.715
$0.605
$0.403
$0.234
Reel
$0.137
Min.: 1
Mult.: 1
: 4,000
Reel, Cut Tape, MouseReel CFN-A 30 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
Bourns Current Sense Resistors - SMD .03 OHM 1% 3/4W 100PPM 4,883In Stock
Cut Tape
$0.52
$0.333
$0.251
$0.212
Reel
$0.129
Min.: 1
Mult.: 1
: 4,000
Reel, Cut Tape CFN 0805 2012 2 Terminal
Bourns Current Sense Resistors - SMD .01 OHM 1% 1W 100PPM 2,419In Stock
Cut Tape
$0.559
$0.355
$0.268
$0.239
Reel
$0.142
Min.: 1
Mult.: 1
: 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