The ECC209830EU is a Wirewound Resistor 0.39Ohms ±5% 1W Axial RoHS manufactured by Chian Chia. This product is made of high quality metal alloy materials with Nickel-Chromium (NiCr) core and copper windings. It has a rated resistance value of 0.39 ohms and an operating temperature range of -55℃ ～ 155℃. The resistance tolerance is ±5%. It is highly reliable with a high working voltage of 600V and a power dissipation of 1W. The maximum Climb Coefficient is 80ppm/℃. It is RoHS compliant which makes it safe to use in consumer or industrial electronic devices. This part is available in an axial form factor and is lead-free and suitable for lead-free soldering applications.