Resistor, particularly a low-resistance current-measuring resistor
First Claim
1. A resistor comprising:
- a) a first connection part comprising a conductor material for introducing an electrical current into the resistor,b) a second connection part comprising a conductor material for discharging the electrical current from the resistor,c) a resistor element comprising a resistor material, the resistor element being arranged in a direction of a current between the first connection part and the second connection part, andd) a metallic coating of the resistor comprising a metallic material to achieve at least one of corrosion protection and improved solderability,wherein;
e) the metallic coating is applied without an insulation layer directly to an entire free surface of the resistor elementf) the metallic coating together with the resistor element forms an electrical bypass between the first and second connection parts,g) the electrical bypass through the metallic coating has a specific electrical conductance value,h) the resistor element has a specific electrical conductance value between the first and second connection parts, andi) the electrical conductance value of the electrical bypass is lower than 10% of the electrical conductance value of the resistor element.
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Accused Products
Abstract
The invention relates to a resistor, in particular a low-resistance current-measuring resistor, comprising a first connection part (1) that consists of a conductor material for introducing an electrical current (I), a second connection part (2) that consists of a conductor material for discharging said electrical current (I), and a resistor element (3) that consists of a resistor material and is arranged between the two connection parts (1, 2) in the direction of the current, also comprising a resistor coating (7) that consists of a metallic material for the purpose of achieving protection from corrosion, and/or improving solderability. According to the invention, the metallic coating (7) is applied directly to the entire free surface of the resistor element (3) without any insulation layer.
18 Citations
17 Claims
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1. A resistor comprising:
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a) a first connection part comprising a conductor material for introducing an electrical current into the resistor, b) a second connection part comprising a conductor material for discharging the electrical current from the resistor, c) a resistor element comprising a resistor material, the resistor element being arranged in a direction of a current between the first connection part and the second connection part, and d) a metallic coating of the resistor comprising a metallic material to achieve at least one of corrosion protection and improved solderability, wherein; e) the metallic coating is applied without an insulation layer directly to an entire free surface of the resistor element f) the metallic coating together with the resistor element forms an electrical bypass between the first and second connection parts, g) the electrical bypass through the metallic coating has a specific electrical conductance value, h) the resistor element has a specific electrical conductance value between the first and second connection parts, and i) the electrical conductance value of the electrical bypass is lower than 10% of the electrical conductance value of the resistor element. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A coating method for coating an electrical resistor comprising applying a metallic coating to a resistor element of the electrical resistor to achieve at least one of corrosion protection and improved solderability, wherein,
a) the metallic coating is applied without an insulation layer directly to an entire free surface of the resistor element; -
b) the metallic coating together with the resistor element forms an electrical bypass between a first connection part and a second connection part, said first connection part comprising a conductor material for introducing an electrical current into the resistor, and said second connection part comprising a conductor material for discharging the electrical current from the resistor, c) the electrical bypass through the metallic coating has a specific electrical conductance value, d) the resistor element has a specific electrical conductance value between the first and second connection parts, and e) the electrical conductance value of the electrical bypass is lower than 10% of the electrical conductance value of the resistor element. - View Dependent Claims (15, 16, 17)
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Specification