The B20J40RE is a 20W, 40Ω power resistor from the Ohmite 200 Brown Devil® series. It features a rugged, all-welded construction with a ceramic hollow core and a lead-free vitreous enamel coating, ensuring reliable performance at high temperatures. This RoHS compliant component has a resistance tolerance of ±5%, a maximum operating voltage of 750V, and tinned axial terminals. The hollow-core design accommodates rigid mounting, making it ideal for industrial and commercial power applications requiring high durability and stable power dissipation.