{"product_id":"smd4042-350e-350v-gas-discharge-tube-smd4042-package-ruilon","title":"SMD4042-350E 350V Gas Discharge Tube – SMD4042 Package | RUILON","description":"\u003cp data-start=\"89\" data-end=\"509\"\u003eThe \u003cstrong data-start=\"116\" data-end=\"157\"\u003eSMD4042-350E Gas Discharge Tube (GDT)\u003c\/strong\u003e from \u003cstrong data-start=\"163\" data-end=\"173\"\u003eRUILON\u003c\/strong\u003e is a high-reliability ceramic surge protection component designed to shield electronic circuits from high-energy transient overvoltage events. Utilizing advanced gas discharge technology, it provides rapid response to lightning strikes, switching surges, and electrostatic discharge (ESD), ensuring consistent and long-term protection.\u003c\/p\u003e\n\u003cp data-start=\"511\" data-end=\"1019\"\u003eWith a \u003cstrong data-start=\"518\" data-end=\"551\"\u003eDC spark-over voltage of 350V\u003c\/strong\u003e, this device is well-suited for medium to high-voltage applications, offering an optimal balance between protection sensitivity and operational stability. Compared to lower-voltage GDTs, it reduces the risk of false triggering while maintaining strong surge suppression capability. The component supports high \u003cstrong data-start=\"862\" data-end=\"900\"\u003eimpulse discharge current (8\/20µs)\u003c\/strong\u003e and features excellent \u003cstrong data-start=\"924\" data-end=\"967\"\u003eimpulse spark-over performance (1kV\/µs)\u003c\/strong\u003e, making it ideal for harsh electrical environments.\u003c\/p\u003e\n\u003cp data-start=\"1021\" data-end=\"1335\"\u003eThe device features \u003cstrong data-start=\"1041\" data-end=\"1069\"\u003elow capacitance at 1 MHz\u003c\/strong\u003e, preserving signal integrity in high-speed communication systems, while \u003cstrong data-start=\"1142\" data-end=\"1172\"\u003ehigh insulation resistance\u003c\/strong\u003e minimizes leakage current and enhances efficiency. Stable \u003cstrong data-start=\"1231\" data-end=\"1279\"\u003eglow voltage and arc voltage characteristics\u003c\/strong\u003e contribute to long service life and reliable operation.\u003c\/p\u003e\n\u003cp data-start=\"1337\" data-end=\"1663\"\u003eHoused in a compact \u003cstrong data-start=\"1357\" data-end=\"1376\"\u003eSMD4042 package\u003c\/strong\u003e, the SMD4042-350E allows easy surface-mount assembly and flexible PCB design. It is widely used in \u003cstrong data-start=\"1476\" data-end=\"1590\"\u003etelecommunications, industrial automation, power supplies, smart grid infrastructure, and consumer electronics\u003c\/strong\u003e, delivering dependable surge protection and improved system reliability.\u003c\/p\u003e\n\u003chr data-start=\"1665\" data-end=\"1668\"\u003e\n\u003cp data-start=\"1670\" data-end=\"1689\"\u003e\u003cstrong data-start=\"1670\" data-end=\"1687\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1690\" data-end=\"2068\"\u003e\n\u003cli data-section-id=\"13f5onp\" data-start=\"1690\" data-end=\"1720\"\u003e350V DC Spark-Over Voltage\u003c\/li\u003e\n\u003cli data-section-id=\"p54ggi\" data-start=\"1721\" data-end=\"1775\"\u003eHigh impulse discharge current capability (8\/20µs)\u003c\/li\u003e\n\u003cli data-section-id=\"dh9aun\" data-start=\"1776\" data-end=\"1825\"\u003eFast response to transient overvoltage events\u003c\/li\u003e\n\u003cli data-section-id=\"k27bm\" data-start=\"1826\" data-end=\"1879\"\u003eLow capacitance for signal integrity preservation\u003c\/li\u003e\n\u003cli data-section-id=\"oj5ydm\" data-start=\"1880\" data-end=\"1935\"\u003eHigh insulation resistance with low leakage current\u003c\/li\u003e\n\u003cli data-section-id=\"s3y341\" data-start=\"1936\" data-end=\"1983\"\u003eStable glow and arc voltage characteristics\u003c\/li\u003e\n\u003cli data-section-id=\"10hmw0c\" data-start=\"1984\" data-end=\"2026\"\u003eLong service life and high reliability\u003c\/li\u003e\n\u003cli data-section-id=\"7ju2s8\" data-start=\"2027\" data-end=\"2068\"\u003eCompact SMD4042 surface-mount package\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2070\" data-end=\"2073\"\u003e\n\u003cp data-start=\"2075\" data-end=\"2094\"\u003e\u003cstrong data-start=\"2075\" data-end=\"2092\"\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2095\" data-end=\"2353\"\u003e\n\u003cli data-section-id=\"1p9gxbi\" data-start=\"2095\" data-end=\"2148\"\u003eTelecommunications and data communication systems\u003c\/li\u003e\n\u003cli data-section-id=\"wumgt4\" data-start=\"2149\" data-end=\"2186\"\u003ePower supply and adapter circuits\u003c\/li\u003e\n\u003cli data-section-id=\"k7606u\" data-start=\"2187\" data-end=\"2234\"\u003eIndustrial automation and control equipment\u003c\/li\u003e\n\u003cli data-section-id=\"1751ez9\" data-start=\"2235\" data-end=\"2274\"\u003eSmart meters and smart grid systems\u003c\/li\u003e\n\u003cli data-section-id=\"yxopth\" data-start=\"2275\" data-end=\"2315\"\u003eConsumer electronics and IoT devices\u003c\/li\u003e\n\u003cli data-section-id=\"9jjubo\" data-start=\"2316\" data-end=\"2353\"\u003eSecurity and surveillance systems\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RUILON","offers":[{"title":"Default Title","offer_id":43768486068289,"sku":null,"price":0.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0647\/4468\/5633\/files\/VARISTOR-01.png?v=1756461410","url":"https:\/\/hext.in\/products\/smd4042-350e-350v-gas-discharge-tube-smd4042-package-ruilon","provider":"Hext by Regent Electronics","version":"1.0","type":"link"}