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Metal Foil Resistors

These resistors are constructed with a metal foil resistive element mounted on a ceramic substrate for excellent heat conductivity. The metal foil resistive element of these current sense resistors results in very low inductance, low noise and excellent reliability. Available with very low resistance values (down to five milliohms) and ideal for current sensing in consumer and telecommunication electronics and industrial automation applications.

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metal_foil_cutaway

 

Bourns offers the standard short terminal shape (CFN Series) and a wide terminal shape (CFG Series) wide terminal model CFG Series helps to provide improved heat dissipation and higher reliability due to larger terminations and solder joint surfaces.

 

Characteristics
Size 0805, 1206 short terminal, CFN Series
0612, wide terminal, CFG Series
Rated power at 70 °C 0.5 W to 1 W
Resistance Range 5 to 20 milliohms
Resistance Tolerance ±1 %, ±5 %
Temperature Coefficient ±100 ppm/°C
Operating Temperature Range –55 to +155 °C

 

Series Data Sheet Photo Resistance Range Tolerances Temperature Coefficient Power per Resistor Related Documents Design Files Buy Now
CFG0612 CFG0612 cfg_part 0.005; 0.01 ohms 1 % ±100 ppm 1 W CFG0612
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CFN0805 CFN0805 cfn0805_part 0.005; 0.01; 0.02 ohms 1 % / 5 % ±100 ppm 0.5 W CFN0805
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CFN1206 CFN1206 cfn1206_part 0.005; 0.01; 0.02 ohms 1 % / 5 % ±100 ppm 1 W CFN1206
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