The Royal Ohm HP122WJ0200T4E is a high power, thick film, surface mount resistor with the following characteristics: resistance of 20 Ohms, 2 watts power rating, 5% tolerance, operating temperature range of -55°C to +155°C, and package footprint of 2512. It is designed for use in high-current and surface mount applications, and is ideal for surface mount boards, switching power supplies, battery charger circuits, and automotive applications.