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RARA Product Brochure

Wirewound series

RARA SMW Series

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

RARA IRF100

Flat type metal clad wire wound resistor
Resistance options from 1Ω up to 1.1kΩ
Power rating of 100W (on a heat sink)
Tolerance options between ±0.5% and ±10.0%
TCR of +260 ppm/°C maximum
For UL Approval see the ULF Series

RARA IRF150

Flat type metal clad wire wound resistor
Resistance options from 1Ω up to 1.75kΩ
Power rating of 150W (on a heat sink)
Tolerance options between ±0.5% and ±10.0%
TCR of +260 ppm/°C maximum
For UL Approval see the ULF Series

RARA IRF200

Flat type metal clad wire wound resistor
Resistance options from 1Ω up to 2.2kΩ
Power rating of 200W (on a heat sink)
Tolerance options between ±0.5% and ±10.0%
TCR of +260 ppm/°C maximum
For UL Approval see the ULF Series

RARA IRF250

Flat type metal clad wire wound resistor
Resistance options from 1Ω up to 2.79kΩ
Power rating of 250W (on a heat sink)
Tolerance options between ±0.5% and ±10.0%
TCR of +260 ppm/°C maximum
For UL Approval see the ULF Series

RARA IRF300

Flat type metal clad wire wound resistor
Resistance options from 1Ω up to 3.5kΩ
Power rating of 300W (on a heat sink)
Tolerance options between ±0.5% and ±10.0%
TCR of +260 ppm/°C maximum
For UL Approval see the ULF Series

RARA IRF400

Flat type metal clad wire wound resistor
Resistance options from 1Ω up to 4.45kΩ
Power rating of 400W (on a heat sink)
Tolerance options between ±0.5% and ±10.0%
TCR of +260 ppm/°C maximum
For UL Approval see the ULF Series

RARA IRF500

Flat type metal clad wire wound resistor
Resistance options from 1Ω up to 5.78kΩ
Power rating of 500W (on a heat sink)
Tolerance options between ±0.5% and ±10.0%
TCR of +260 ppm/°C maximum
For UL Approval see the ULF Series

RARA IRH60

Metal clad wire wound resistor
Option of flying leads (tab terminals are standard)
Inductive or non-inductive design
Insulation resistance of 20MΩ minimum
Temperature range of -55°C up to +200°C
Extruded aluminium horizontal housing
Short time overload of 5 x power rating is 5 seconds

RARA IRH80

Metal clad wire wound resistor
Option of flying leads (tab terminals are standard)
Inductive or non-inductive design
Insulation resistance of 20MΩ minimum
Temperature range of -55°C up to +200°C
Extruded aluminium horizontal housing
Short time overload of 10 x power rating is 5 seconds

RARA IRH80F

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
Temperature range of -25°C to +100°C

RARA IRH100

Metal clad wire wound resistor
Option of flying leads (tab terminals are standard)
Inductive or non-inductive design
Insulation resistance of 20MΩ minimum
Temperature range of -55°C up to +200°C
Extruded aluminium horizontal housing
Short time overload of 10 x power rating is 5 seconds

RARA IRH100F

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
Temperature range of -25°C to +100°C

RARA IRH120

Metal clad wire wound resistor
Option of flying leads (tab terminals are standard)
Inductive or non-inductive design
Insulation resistance of 20MΩ minimum
Temperature range of -55°C up to +200°C
Extruded aluminium horizontal housing
Short time overload of 10 x power rating is 5 seconds

RARA IRH150

Metal clad wire wound resistor
Option of flying leads (tab terminals are standard)
Inductive or non-inductive design
Insulation resistance of 20MΩ minimum
Temperature range of -55°C up to +200°C
Extruded aluminium horizontal housing
Short time overload of 10 x power rating is 5 seconds

RARA IRH200

Metal clad wire wound resistor
Option of flying leads (tab terminals are standard)
Inductive or non-inductive design
Insulation resistance of 20MΩ minimum
Temperature range of -55°C up to +200°C
Extruded aluminium horizontal housing
Short time overload of 10 x power rating is 5 seconds

RARA SMW Series

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

RARA IRF100

Flat type metal clad wire wound resistor
Resistance options from 1Ω up to 1.1kΩ
Power rating of 100W (on a heat sink)
Tolerance options between ±0.5% and ±10.0%
TCR of +260 ppm/°C maximum
For UL Approval see the ULF Series

RARA IRF150

Flat type metal clad wire wound resistor
Resistance options from 1Ω up to 1.75kΩ
Power rating of 150W (on a heat sink)
Tolerance options between ±0.5% and ±10.0%
TCR of +260 ppm/°C maximum
For UL Approval see the ULF Series

RARA IRF200

Flat type metal clad wire wound resistor
Resistance options from 1Ω up to 2.2kΩ
Power rating of 200W (on a heat sink)
Tolerance options between ±0.5% and ±10.0%
TCR of +260 ppm/°C maximum
For UL Approval see the ULF Series

RARA IRF250

Flat type metal clad wire wound resistor
Resistance options from 1Ω up to 2.79kΩ
Power rating of 250W (on a heat sink)
Tolerance options between ±0.5% and ±10.0%
TCR of +260 ppm/°C maximum
For UL Approval see the ULF Series

RARA IRF300

Flat type metal clad wire wound resistor
Resistance options from 1Ω up to 3.5kΩ
Power rating of 300W (on a heat sink)
Tolerance options between ±0.5% and ±10.0%
TCR of +260 ppm/°C maximum
For UL Approval see the ULF Series

RARA IRF400

Flat type metal clad wire wound resistor
Resistance options from 1Ω up to 4.45kΩ
Power rating of 400W (on a heat sink)
Tolerance options between ±0.5% and ±10.0%
TCR of +260 ppm/°C maximum
For UL Approval see the ULF Series

RARA IRF500

Flat type metal clad wire wound resistor
Resistance options from 1Ω up to 5.78kΩ
Power rating of 500W (on a heat sink)
Tolerance options between ±0.5% and ±10.0%
TCR of +260 ppm/°C maximum
For UL Approval see the ULF Series

RARA IRH60

Metal clad wire wound resistor
Option of flying leads (tab terminals are standard)
Inductive or non-inductive design
Insulation resistance of 20MΩ minimum
Temperature range of -55°C up to +200°C
Extruded aluminium horizontal housing
Short time overload of 5 x power rating is 5 seconds

RARA IRH80

Metal clad wire wound resistor
Option of flying leads (tab terminals are standard)
Inductive or non-inductive design
Insulation resistance of 20MΩ minimum
Temperature range of -55°C up to +200°C
Extruded aluminium horizontal housing
Short time overload of 10 x power rating is 5 seconds

RARA IRH80F

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
Temperature range of -25°C to +100°C

RARA IRH100

Metal clad wire wound resistor
Option of flying leads (tab terminals are standard)
Inductive or non-inductive design
Insulation resistance of 20MΩ minimum
Temperature range of -55°C up to +200°C
Extruded aluminium horizontal housing
Short time overload of 10 x power rating is 5 seconds

RARA IRH100F

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
Temperature range of -25°C to +100°C

RARA IRH120

Metal clad wire wound resistor
Option of flying leads (tab terminals are standard)
Inductive or non-inductive design
Insulation resistance of 20MΩ minimum
Temperature range of -55°C up to +200°C
Extruded aluminium horizontal housing
Short time overload of 10 x power rating is 5 seconds

RARA IRH150

Metal clad wire wound resistor
Option of flying leads (tab terminals are standard)
Inductive or non-inductive design
Insulation resistance of 20MΩ minimum
Temperature range of -55°C up to +200°C
Extruded aluminium horizontal housing
Short time overload of 10 x power rating is 5 seconds

RARA IRH200

Metal clad wire wound resistor
Option of flying leads (tab terminals are standard)
Inductive or non-inductive design
Insulation resistance of 20MΩ minimum
Temperature range of -55°C up to +200°C
Extruded aluminium horizontal housing
Short time overload of 10 x power rating is 5 seconds