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Supporting Manufacturer Information

50W series

Caddock MP850 Series

TO-220 style power through-hole resistor
Integrated copper mounting surface in moulded package
Non-inductive design
Constructed with Caddock’s Micronox® resistance film technology
Maximum voltage rating of 300V
Operation up to +150°C case temperature
Resistor element is electrically isolated from the mounting surface

RARA IRN50

Flat and narrow type metal clad wire wound resistor
Cement or silicone filling material with an extruded aluminium housing
300mm flying leads
Excellent heat dissipation
Insulation resistance of 20MΩ minimum
Temperature range of -55°C up to +200°C (cement) / +150°C (silicone)
Short time overload of 5 x power rating is 5 seconds

RARA RH50 (Inductive)

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)

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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RARA ULN50C

Narrow and Flat type metal clad wire wound resistor
Resistance options from 1Ω up to 420Ω
Power rating of 50W (on a heat sink)
Tolerance options between ±0.5% and ±10.0%
TCR of +260 ppm/°C maximum
For Non UL Approval see the IRN Series

Caddock MP850 Series

TO-220 style power through-hole resistor
Integrated copper mounting surface in moulded package
Non-inductive design
Constructed with Caddock’s Micronox® resistance film technology
Maximum voltage rating of 300V
Operation up to +150°C case temperature
Resistor element is electrically isolated from the mounting surface

RARA IRN50

Flat and narrow type metal clad wire wound resistor
Cement or silicone filling material with an extruded aluminium housing
300mm flying leads
Excellent heat dissipation
Insulation resistance of 20MΩ minimum
Temperature range of -55°C up to +200°C (cement) / +150°C (silicone)
Short time overload of 5 x power rating is 5 seconds

RARA RH50 (Inductive)

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

RARA RH50 (Non-Inductive)

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

RARA ULN50C

Narrow and Flat type metal clad wire wound resistor
Resistance options from 1Ω up to 420Ω
Power rating of 50W (on a heat sink)
Tolerance options between ±0.5% and ±10.0%
TCR of +260 ppm/°C maximum
For Non UL Approval see the IRN Series