Abrupt changes in the power supply can cause potential hazards to your circuit if you don"t have this positive high voltage TPS2490DGS hot swap controller IC from Texas Instruments. In order to ensure parts aren"t damaged by bulk packaging, this product comes in tube packaging to add a little more protection by storing the loose parts in an outer tube. This device has a minimum operating supply voltage of 9 V and a maximum of 80 V. This hot swap controller has an operating temperature range of -40 °C to 85 °C.