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We’re Exhibiting at EDS 2025
The Engineering Design Show, 8 – 9 October 2025, Coventry Building Society Arena, UK, Stand J3
The ULN150C flat and narrow type metal clad wire wound resistor series from RARA, offers a power rating of up to 150W on a heat sink and available resistance values between 1Ω and 1.75kΩ. 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 ULN150C 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.
Typical applications for the ULN series include:
| Weight | 2200.00000 kg |
|---|---|
| Dimensions | 10.00 x 60.00 x 170.00mm |
| Product Type | |
| Series / Model | |
| Power Rating | |
| Minimum Resistance | 1Ω |
| Maximum Resistance | 1.75kΩ |
| Tolerance | |
| Temperature Coefficient | |
| Insulation Resistance | 20MΩ minimum |
| Filling Material | Cement, Silicone |
| Temperature Range (°C) | -55 to +150°C (Silicone), -55 to +200°C (Cement) |
ULN150C
Resistance value expressed in ohms, for example 0.5Ω or 225.5Ω.
FL XXX Flying Lead **
(Blank) Tab Terminal
* Please include required lead length with quote request, for example, FL300 for 300mm flying leads.
Thermostat options are available for these models. Please speak to an engineer for more information.
| SKU | Resistance Value | Tolerance | Filling Material | Lead Length |
|---|---|---|---|---|
| RARA ULN150C Series | Custom (1Ω - 1.75kΩ) | ±0.5% | ||
| RARA ULN150C Series | Custom (1Ω - 1.75kΩ) | ±1% | ||
| RARA ULN150C Series | Custom (1Ω - 1.75kΩ) | ±10% | ||
| RARA ULN150C Series | Custom (1Ω - 1.75kΩ) | ±2% | ||
| RARA ULN150C Series | Custom (1Ω - 1.75kΩ) | ±5% |
| Product name | Dimensions | Power Rating | Minimum Resistance | Maximum Resistance | Tolerance | Temperature Coefficient | Datasheet | ||
|---|---|---|---|---|---|---|---|---|---|
| RARA ULN50C | 10.00 x 60.00 x 70.00mm | 50W | 1Ω | 420Ω | ±0.5%, ±1%, ±2%, ±5%, ±10% | ±260 ppm/°C | View Product | |
|
| RARA ULN100C | 10.00 x 60.00 x 120.00mm | 100W | 1Ω | 1.1kΩ | ±0.5%, ±1%, ±2%, ±5%, ±10% | ±260 ppm/°C | View Product | |
|
| RARA ULN150C | 10.00 x 60.00 x 170.00mm | 150W | 1Ω | 1.75kΩ | ±0.5%, ±1%, ±2%, ±5%, ±10% | ±260 ppm/°C | View Product |
