Protect your equipment from transient overvoltage events with Littelfuse"s SE140 gas discharge tube. Its DC sparkover voltage is 140 V. This item should be stored between -40 °C and 90 °C. This GDT has an operating temperature range of -40 °C to 90 °C. It has 2 terminals/electrodes. The SE140 GDT has a solder pad termination style. Mount your GDT on a printed circuit board using surface mount technology to produce the most effective results. This product is 3.2 mm long, 1.6 mm tall and 1.6 mm deep.