Current Sensing & Low Resistance Resistors

RARA IRH300F

Precision shunt resistor
4-terminal metal-clad design
Resistance values between 0.1250mΩ up to 0.3333mΩ
Rated currents from 300A up to 500A
Tolerance values of ±0.1, ±0.5% or ±1.0%
Rated voltages of 50mV or 100mV
Temperature range of -25°C to +100°C

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Datasheet

RARA ULH80F

Precision shunt resistor
4-terminal metal-clad design
Resistance values between 1.3333mΩ up to 3.3333mΩ
Rated current of 30A, 40A, 50A or 75A
Tolerance values of ±0.1%, ±0.5% or ±1.0%
Rated voltage 100mV
UL Approved

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Datasheet

RARA ULH100F

Precision shunt resistor
4-terminal metal-clad design
Resistance value of 1.3333mΩ
Rated current of 75A
Tolerance values of ±0.1, ±0.5% or ±1.0%
Rated voltage 100mV
UL Approved

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Datasheet

RARA ULH200F

Precision shunt resistor
4-terminal metal-clad design
Resistance values between 0.4mΩ up to 1.3333mΩ
Rated currents from 100A up to 250A
Tolerance values of ±0.1, ±0.5% or ±1.0%
Rated voltage 100mV
UL Approved

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Datasheet

RARA ULH300F

Precision shunt resistor
4-terminal metal-clad design
Resistance values between 0.1250mΩ up to 0.3333mΩ
Rated currents from 300A up to 500A
Tolerance values of ±0.1, ±0.5% or ±1.0%
Rated voltages of 50mV or 100mV
UL Approved

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Datasheet

Riedon MSR-1 Series

Through-hole bare metal element with an all-welded construction
Low inductance (<10nH)
Ideal for current sensing and shunt applications
Temperature range of up to +275°C
Maximum rated operating temperature of +85°C

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Riedon MSR-3 Series

Through-hole bare metal element with an all-welded construction
Low inductance (<10nH)
Ideal for current sensing and shunt applications
Temperature range of up to +275°C
Maximum rated operating temperature of +85°C

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Riedon MSR-5 Series

Through-hole bare metal element with an all-welded construction
Low inductance (<10nH)
Ideal for current sensing and shunt applications
Temperature range of up to +275°C
Maximum rated operating temperature of +85°C

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Riedon RSA Series

Base mounted shunt
Output rating of 0.05V or 0.1V
Manganin® resistive element
Dielectric strength of 750VDC (terminal block to base)
Temperature range of -40° to +60°C

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Riedon RSB Series

Base mounted shunt
Output rating of 0.05V or 0.1V
Manganin® resistive element
Dielectric strength of 750VDC (terminal block to base)
Temperature range of -40° to +60°C

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Riedon RSC Series

Base mounted shunt
Output rating of 0.05V or 0.1V
Manganin® resistive element
Dielectric strength 750VDC (terminal block to base)
Temperature range of -40° to +60°C

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Riedon RSN Series

Base mounted shunt
Output rating of 0.05V or 0.1V
Manganin® resistive element
Calibration certificate available
Temperature range of +30° to +70°C

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Riedon S-1 Series

Flame resistant UL 94V-0 wirewound resistor
Superior surge handling capability
Non-inductive windings are available (Type SN)
Temperature range between −55°C to +275°C

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Riedon S-2 Series

Flame resistant UL 94V-0 wirewound resistor
Superior surge handling capability
Non-inductive windings are available (Type SN)
Temperature range between −55°C to +275°C

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Riedon S-3 Series

Surface-mount wirewound resistor
Flame resistant UL 94V-0
Superior surge handling capability
Non-inductive windings are available (Type SN)
Temperature range between −55°C to +275°C

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Riedon S-4 Series

Flame resistant UL 94V-0 wirewound resistor

Superior surge handling capability

Non-inductive windings are available (Type SN)

Temperature range between −55°C to +275°C

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RARA IRH300F

Precision shunt resistor
4-terminal metal-clad design
Resistance values between 0.1250mΩ up to 0.3333mΩ
Rated currents from 300A up to 500A
Tolerance values of ±0.1, ±0.5% or ±1.0%
Rated voltages of 50mV or 100mV
Temperature range of -25°C to +100°C

RARA ULH80F

Precision shunt resistor
4-terminal metal-clad design
Resistance values between 1.3333mΩ up to 3.3333mΩ
Rated current of 30A, 40A, 50A or 75A
Tolerance values of ±0.1%, ±0.5% or ±1.0%
Rated voltage 100mV
UL Approved

RARA ULH100F

Precision shunt resistor
4-terminal metal-clad design
Resistance value of 1.3333mΩ
Rated current of 75A
Tolerance values of ±0.1, ±0.5% or ±1.0%
Rated voltage 100mV
UL Approved

RARA ULH200F

Precision shunt resistor
4-terminal metal-clad design
Resistance values between 0.4mΩ up to 1.3333mΩ
Rated currents from 100A up to 250A
Tolerance values of ±0.1, ±0.5% or ±1.0%
Rated voltage 100mV
UL Approved

RARA ULH300F

Precision shunt resistor
4-terminal metal-clad design
Resistance values between 0.1250mΩ up to 0.3333mΩ
Rated currents from 300A up to 500A
Tolerance values of ±0.1, ±0.5% or ±1.0%
Rated voltages of 50mV or 100mV
UL Approved

Riedon MSR-1 Series

Through-hole bare metal element with an all-welded construction
Low inductance (<10nH)
Ideal for current sensing and shunt applications
Temperature range of up to +275°C
Maximum rated operating temperature of +85°C

Riedon MSR-3 Series

Through-hole bare metal element with an all-welded construction
Low inductance (<10nH)
Ideal for current sensing and shunt applications
Temperature range of up to +275°C
Maximum rated operating temperature of +85°C

Riedon MSR-5 Series

Through-hole bare metal element with an all-welded construction
Low inductance (<10nH)
Ideal for current sensing and shunt applications
Temperature range of up to +275°C
Maximum rated operating temperature of +85°C

Riedon RSA Series

Base mounted shunt
Output rating of 0.05V or 0.1V
Manganin® resistive element
Dielectric strength of 750VDC (terminal block to base)
Temperature range of -40° to +60°C

Riedon RSB Series

Base mounted shunt
Output rating of 0.05V or 0.1V
Manganin® resistive element
Dielectric strength of 750VDC (terminal block to base)
Temperature range of -40° to +60°C

Riedon RSC Series

Base mounted shunt
Output rating of 0.05V or 0.1V
Manganin® resistive element
Dielectric strength 750VDC (terminal block to base)
Temperature range of -40° to +60°C

Riedon RSN Series

Base mounted shunt
Output rating of 0.05V or 0.1V
Manganin® resistive element
Calibration certificate available
Temperature range of +30° to +70°C

Riedon S-1 Series

Flame resistant UL 94V-0 wirewound resistor
Superior surge handling capability
Non-inductive windings are available (Type SN)
Temperature range between −55°C to +275°C

Riedon S-2 Series

Flame resistant UL 94V-0 wirewound resistor
Superior surge handling capability
Non-inductive windings are available (Type SN)
Temperature range between −55°C to +275°C

Riedon S-3 Series

Surface-mount wirewound resistor
Flame resistant UL 94V-0
Superior surge handling capability
Non-inductive windings are available (Type SN)
Temperature range between −55°C to +275°C

Riedon S-4 Series

Flame resistant UL 94V-0 wirewound resistor

Superior surge handling capability

Non-inductive windings are available (Type SN)

Temperature range between −55°C to +275°C

Manufacturers

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Current Sensing & Low Resistance Resistors

Current sensing resistors are resistors used for measuring current in the circuit which can be converted using Ohm’s Law into a voltage reading. They usually come in very low resistance values, often measured in micro Ohms.

At Rhopoint Components we offer a wide range of current sensing resistors by leading manufacturers including Isabellenhütte, Alpha, Riedon and Susumu. Our current sensing resistors come in various shapes and sizes including surface-mount and through-hole. With such a vast range we can cater for virtually any resistance values.