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The ULN50C flat and narrow type metal clad wire wound resistor series from RARA, offers a power rating of up to 50W on a heat sink and available resistance values between 1Ω and 420Ω. These UL approved high power and low inductance resistors are designed for industrial and other applications where space is at a premium, the flat design also allows for excellent heat dissipation. The ULN50C series from RARA offers an extruded aluminium housing providing strong and rugged protection, with cement filling material as well as tolerances as low as ±0.5%. This resistor series offers a temperature range from -55°C up to +200°C.
- Flat space saving metal clad wire wound resistor
- Cement filling material with an extruded aluminium housing
- 300mm Flying leads
- UL approved
- Resistance ranges available between 1Ω and 420Ω
- TCR of +260 ppm/°C maximum
- Tolerance values available of ±0.5%, ±1.0%, ±2.0%, ±5.0% and ±10.0%
- Power rating of 50W (on a heat sink)
- Insulation resistance of 20MΩ minimum
- Temperature range between -55°C and +200°C
- Short time overload of 5 x power rating for 5 seconds
Typical applications for the ULN series include:
- Motor drives
- Braking and snubbing applications
- Power sources for industrial equipment
The below table gives the specifications available for the ULN series including the ULN50C resistors:
