RARA - High Power Resistors - Rhopoint Components https://www.rhopointcomponents.com/manufacturers/rara/ Electronic Components, Sensors, Connectors & Enclosures Mon, 25 Nov 2024 16:03:26 +0000 en-GB hourly 1 https://www.rhopointcomponents.com/wp-content/uploads/2020/09/cropped-rc-marble-100x100.png RARA - High Power Resistors - Rhopoint Components https://www.rhopointcomponents.com/manufacturers/rara/ 32 32 RARA SMW Series https://www.rhopointcomponents.com/product/components/rara-smw-series/ Tue, 12 Nov 2024 11:51:07 +0000 https://www.rhopointcomponents.com/?post_type=product&p=109558
  • High-power wire wound surface-mount resistors
  • Power ratings available: 2W, 3W, and 5W
  • Wide resistance range: 0.1Ω to 500Ω
  • Precision tolerances: ±1% & ±5%
  • Temperature coefficient: 200 ppm/°C
  • Flameproof UL94V0 molded package for high safety

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    ]]>     The SMW Series wire wound resistors provide robust, high-power performance for applications that demand reliability under challenging conditions. With power ratings up to 5W and a broad resistance range from 0.1Ω to 500Ω, these resistors are suitable for high-power circuits across a wide range of industries. Offering precision tolerances down to ±1% and a stable temperature coefficient of 200 ppm/°C, they ensure consistent and dependable operation across temperature variations. The flameproof UL94V0 molded package enhances safety by resisting extreme heat and humidity, making SMW wire wound resistors ideal for heavy-duty environments. Additionally, their compatibility with automatic surface mounting supports efficient assembly and cost-effectiveness.

    Key Features of SMW Series:

    • High-power wire wound resistor design: 2W, 3W, and 5W
    • Wide resistance range: 0.1Ω to 500Ω
    • Precision tolerances: ±1% & ±5%
    • Stable temperature coefficient: 200 ppm/°C
    • Flameproof UL94V0 molded package for safety
    • Compatible with automatic surface mounting

    Application Industries and Use Cases for SMW Series:

    • Automotive: Engine control units, power steering systems, braking systems
    • Industrial: Motor drives, power supplies, automation equipment
    • Consumer Electronics: High-power circuit management in appliances
    • Telecommunications: Base stations, networking equipment
    • Medical Devices: Diagnostic equipment, patient monitoring systems

     

    RARA Electronics Corporation is a renowned manufacturer specialising in industrial and braking resistors. They provide high-quality, durable resistors for various industrial applications, including power generation, transport, and renewable energy sectors, ensuring reliability and efficiency in demanding operational environments. Their products are known for performance and customisation options. Please visit www.raraohm.com for more information.

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    ]]>         RARA RH50 (Inductive) https://www.rhopointcomponents.com/product/components/resistors/load-banks/rara-rh50-inductive/ Thu, 23 Nov 2023 10:26:10 +0000 https://www.rhopointcomponents.com/?post_type=product&p=104400
  • Metal clad wire wound resistor
  • Resistance range between 0.68Ω and 50kΩ
  • Insulation resistance of 20MΩ minimum
  • Temperature range of -55°C up to +250°C
  • Cement moulding within aluminium housing
  • Short time overload of 5 x power rating is 5 seconds
  • Mounts on chassis to utilise heat sink effect

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    ]]>         RARA RH50 (Non-Inductive) https://www.rhopointcomponents.com/product/components/resistors/load-banks/rara-rh50-non-inductive/ Wed, 22 Nov 2023 15:35:54 +0000 https://www.rhopointcomponents.com/?post_type=product&p=104330
  • Metal clad wire wound resistor
  • Resistance range between 0.2Ω and 20kΩ
  • Insulation resistance of 20MΩ minimum
  • Temperature range of -55°C up to +250°C
  • Cement moulding within aluminium housing
  • Short time overload of 5 x power rating is 5 seconds
  • Mounts on chassis to utilise heat sink effect

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    ]]>     The post RARA RH50 (Non-Inductive) appeared first on Rhopoint Components.

    ]]>         RARA RH25 (Inductive) https://www.rhopointcomponents.com/product/components/resistors/load-banks/rara-rh25-inductive/ Wed, 22 Nov 2023 14:50:51 +0000 https://www.rhopointcomponents.com/?post_type=product&p=104267
  • Inductive Metal clad wire wound resistor
  • Resistance range between 0.27Ω and 25kΩ
  • Insulation resistance of 20MΩ minimum
  • Temperature range of -55°C up to +250°C
  • Cement moulding within aluminium housing
  • Short time overload of 5 x power rating is 5 seconds
  • Mounts on chassis to utilise heat sink effect

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    ]]>         RARA RH25 (Non-Inductive) https://www.rhopointcomponents.com/product/components/resistors/load-banks/rara-rh25-non-inductive/ Wed, 22 Nov 2023 09:10:37 +0000 https://www.rhopointcomponents.com/?post_type=product&p=104220
  • Non-Inductive Metal clad wire wound resistor
  • Resistance range between 0.1Ω and 10kΩ
  • Insulation resistance of 20MΩ minimum
  • Temperature range of -55°C up to +250°C
  • Cement moulding within aluminium housing
  • Short time overload of 5 x power rating is 5 seconds
  • Mounts on chassis to utilise heat sink effect

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    ]]>     The post RARA RH25 (Non-Inductive) appeared first on Rhopoint Components.

    ]]>         RARA ULH300F https://www.rhopointcomponents.com/product/components/resistors/current-sensing-low-resistance-resistors/rara-ulh300f/ Fri, 16 Jul 2021 07:48:47 +0000 https://components.componentsdevelopment.com/?post_type=product&p=71462
  • 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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    ]]>

    The ULH300F precision shunt resistor from RARA has a 4-terminal metal-clad design, distinguished by a high load capacity of up to 500A as well as excellent accuracy. Isolated voltage and current connections make them suitable for very precise current measurements. Current measurement is made easy by attaching the current bus directly to the source while connecting the flexible voltage measurement wires to your monitoring electronics. Units have low inductance, heavy copper terminals. The ULH F series has a temperature range of -25°C to +100°C with a temperature coefficient of up to 30ppm/°C [20°C to 60°C].

    • Precision Shunt Resistor
    • 4-terminal metal-clad design
    • Resistance values between 0.1250mΩ up to 0.3333mΩ
    • Rated currents from 300A up to 500A
    • TCR of up to +30 ppm/°C maximum
    • Tolerance values of ±0.1%, ±0.5% or ±1.0%
    • Rated voltages of 50mV or 100mV
    • Temperature range of -25°C to +100°C
    • UL Approved

    Typical applications for the ULH300F Precision Shunt Resistor includes:

    • Battery Test & Measurement
    • Current Sensing Applications
    • Industrial Power Conversion
    • HEVs
    • Fuel Cells


    RARA IRH / ULH Series Specification Table

    ModelRated currentRated voltageResistance valueTolerance
    IRH / ULH 300F500A100mV0.2mΩB [±0.1%] / D [±0.5%] / F [±1%]
    400A50 / 100mV0.25mΩ / 0.125mΩB [±0.1%] / D [±0.5%] / F [±1%]
    300A50 / 100mV0.333mΩ / 0.1666mΩB [±0.1%] / D [±0.5%] / F [±1%]
    IRH / ULF 200F250A100mV0.4mΩB [±0.1%] / D [±0.5%] / F [±1%]
    200A100mV0.5mΩB [±0.1%] / D [±0.5%] / F [±1%]
    150A100mV0.6666mΩB [±0.1%] / D [±0.5%] / F [±1%]
    100A100mV1mΩB [±0.1%] / D [±0.5%] / F [±1%]
    IRH / ULH 100F75A100mV1.3333mΩB [±0.1%] / D [±0.5%] / F [±1%]
    IRH / ULH 80F30A / 40A /
    50A / 75A    		100mV3.3333mΩ / 2.5mΩ /
    2mΩ / 1.3333mΩ    		B [±0.1%] / D [±0.5%] / F [±1%]


    RARA is a leading manufacturer of high-power and precision resistors, covering a wide range of resistance values and applications. Please visit www.raraohm.com for more information.

    The post RARA ULH300F appeared first on Rhopoint Components.

    ]]>         RARA ULH200F https://www.rhopointcomponents.com/product/components/resistors/current-sensing-low-resistance-resistors/rara-ulh200f/ Thu, 15 Jul 2021 14:58:52 +0000 https://components.componentsdevelopment.com/?post_type=product&p=71449
  • 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

    • The post RARA ULH200F appeared first on Rhopoint Components.

    ]]>
    The ULH200F precision shunt resistor from RARA has a 4-terminal metal-clad design, distinguished by a high load capacity of up to 250A as well as excellent accuracy. Isolated voltage and current connections make them suitable for very precise current measurements. Current measurement is made easy by attaching the current bus directly to the source while connecting the flexible voltage measurement wires to your monitoring electronics. Units have low inductance, heavy copper terminals. The ULH F series has a temperature range of -25°C to +100°C with a temperature coefficient of up to 30ppm/°C [20°C to 60°C].

    • Precision shunt resistor
    • 4-terminal metal clad design
    • Resistance values between 0.4mΩ up to 1.3333mΩ
    • Rated currents from 100A up to 250A
    • TCR of up to +30 ppm/°C maximum
    • Tolerance values of ±0.1%, ±0.5% or ±1.0%
    • Rated voltage 100mV
    • UL Approved

    Typical applications for the ULH200F Precision Shunt Resistor includes:

    • Battery Test & Measurement
    • Current Sensing Applications
    • Industrial Power Conversion
    • HEVs
    • Fuel Cells

    The post RARA ULH200F appeared first on Rhopoint Components.

    ]]>         RARA ULH100F https://www.rhopointcomponents.com/product/components/resistors/current-sensing-low-resistance-resistors/rara-ulh100f/ Thu, 15 Jul 2021 14:23:00 +0000 https://components.componentsdevelopment.com/?post_type=product&p=71396
  • 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

    • The post RARA ULH100F appeared first on Rhopoint Components.

    ]]>
    The ULH100F precision shunt Resistor from RARA has a 4-terminal metal-clad design, distinguished by a high load capacity of up to 75A as well as excellent accuracy. Isolated voltage and current connections make them suitable for very precise current measurements. Current measurement is made easy by attaching the current bus directly to the source while connecting the flexible voltage measurement wires to your monitoring electronics. Units have low inductance, heavy copper terminals. The ULH F series has a temperature range of -25°C to +100°C with a temperature coefficient of up to 30ppm/°C [20°C to 60°C].

    • Precision shunt resistor
    • 4-terminal metal-clad design
    • Resistance value of 1.3333mΩ
    • Rated current of 75A
    • TCR of up to +30 ppm/°C maximum
    • Tolerance values of ±0.1%, ±0.5% or ±1.0%
    • Rated voltage 100mV
    • Temperature range of -25°C to +100°C
    • UL Approved

    Typical applications for the ULH100F Precision Shunt Resistor includes:

    • Battery Test & Measurement
    • Current Sensing Applications
    • Industrial Power Conversion
    • HEVs
    • Fuel Cells

    The post RARA ULH100F appeared first on Rhopoint Components.

    ]]>         RARA ULH80F https://www.rhopointcomponents.com/product/components/resistors/current-sensing-low-resistance-resistors/rara-ulh80f/ Thu, 15 Jul 2021 14:11:25 +0000 https://components.componentsdevelopment.com/?post_type=product&p=71383
  • 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

    • The post RARA ULH80F appeared first on Rhopoint Components.

    ]]>
    The ULH80F precision shunt resistor from RARA has a 4-terminal metal-clad design, distinguished by a high load capacity of up to 30A, 40A, 50A or 75A as well as excellent accuracy. Isolated voltage and current connections make them suitable for very precise current measurements. Current measurement is made easy by attaching the current bus directly to the source while connecting the flexible voltage measurement wires to your monitoring electronics. Units have low inductance, heavy copper terminals. The ULH F series has a temperature range of -25°C to +100°C with a temperature coefficient of up to 30ppm/°C [20°C to 60°C].

    • Precision shunt resistor
    • 4-terminal metal-clad design
    • Resistance values of 1.3333mΩ, 2mΩ, 2.5mΩ or 3.3333mΩ
    • Rated current of 30A, 40A, 50A or 75A
    • TCR of up to +30 ppm/°C maximum
    • Tolerance values of ±0.1%, ±0.5% or ±1.0%
    • Rated voltage 100mV
    • Temperature range of -25°C to +100°C
    • UL Approved

    Typical applications for the ULH80F Precision Shunt Resistor includes:

    • Battery Test & Measurement
    • Current Sensing Applications
    • Industrial Power Conversion
    • HEVs
    • Fuel Cells

    The post RARA ULH80F appeared first on Rhopoint Components.

    ]]>         RARA IRH300F https://www.rhopointcomponents.com/product/components/resistors/current-sensing-low-resistance-resistors/rara-irh300f/ Tue, 06 Jul 2021 07:41:42 +0000 https://components.componentsdevelopment.com/?post_type=product&p=70684
  • 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

    • The post RARA IRH300F appeared first on Rhopoint Components.

    ]]>

    The IRH300F precision shunt resistor from RARA has a 4-terminal metal-clad design, distinguished by a high load capacity of up to 500A as well as excellent accuracy. Isolated voltage and current connections make them suitable for very precise current measurements. Current measurement is made easy by attaching the current bus directly to the source while connecting the flexible voltage measurement wires to your monitoring electronics. Units have low inductance, heavy copper terminals. The IRH / ULH F series has a temperature range of -25°C to +100°C with a temperature coefficient of up to 30ppm/°C [20°C to 60°C].

    • Precision Shunt Resistor
    • 4-terminal metal-clad design
    • Resistance values between 0.1250mΩ up to 0.3333mΩ
    • Rated currents from 300A up to 500A
    • TCR of up to +30 ppm/°C maximum
    • Tolerance values of ±0.1%, ±0.5% or ±1.0%
    • Rated voltages of 50mV or 100mV
    • Temperature range of -25°C to +100°C

    Typical applications for the IRH300F Precision Shunt Resistor includes:

    • Battery Test & Measurement
    • Current Sensing Applications
    • Industrial Power Conversion
    • HEVs
    • Fuel Cells


    RARA IRH / ULH Series Specification Table

    ModelRated currentRated voltageResistance valueTolerance
    IRH / ULH 300F500A100mV0.2mΩB [±0.1%] / D [±0.5%] / F [±1%]
    400A50 / 100mV0.25mΩ / 0.125mΩB [±0.1%] / D [±0.5%] / F [±1%]
    300A50 / 100mV0.333mΩ / 0.1666mΩB [±0.1%] / D [±0.5%] / F [±1%]
    IRH / ULF 200F250A100mV0.4mΩB [±0.1%] / D [±0.5%] / F [±1%]
    200A100mV0.5mΩB [±0.1%] / D [±0.5%] / F [±1%]
    150A100mV0.6666mΩB [±0.1%] / D [±0.5%] / F [±1%]
    100A100mV1mΩB [±0.1%] / D [±0.5%] / F [±1%]
    IRH / ULH 100F75A100mV1.3333mΩB [±0.1%] / D [±0.5%] / F [±1%]
    IRH / ULH 80F30A / 40A /
    50A / 75A    		100mV3.3333mΩ / 2.5mΩ /
    2mΩ / 1.3333mΩ    		B [±0.1%] / D [±0.5%] / F [±1%]


    RARA is a leading manufacturer of high-power and precision resistors, covering a wide range of resistance values and applications. Please visit www.raraohm.com for more information.

    The post RARA IRH300F appeared first on Rhopoint Components.

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