The Welwyn WDBR1 Series are ultra low profile thick film power resistors. These resistors are single fixing heat sink mountable and ideal for dynamic braking, inrush limit and snubber circuits. Resistor terminals available with options of solder pad, flying leads and push-on connectors. WDBR1 Series has low inductance and high isolation even after failsafe overload fusing.
Resistance value range from 12, 15, 20, 22, 25, 47, 50, 100 and 150 ohm
Rated power range from 500W to 7KW
±10% tolerance
Pulse power rating of 1.5kW
Power rating on heat sink is 180W
Operating temperature (element) of 365°C
Temperature coefficient is resistor (TCR) range from +500 to +600ppm/°C
(EN)
