{"product_id":"smd4042-300e-300v-gas-discharge-tube-smd4042-package-ruilon","title":"SMD4042-300E 300V Gas Discharge Tube – SMD4042 Package | RUILON","description":"\u003cp data-start=\"89\" data-end=\"503\"\u003eThe \u003cstrong data-start=\"116\" data-end=\"157\"\u003eSMD4042-300E Gas Discharge Tube (GDT)\u003c\/strong\u003e from \u003cstrong data-start=\"163\" data-end=\"173\"\u003eRUILON\u003c\/strong\u003e is a high-performance ceramic surge protection device designed to protect electronic circuits from transient overvoltage events such as lightning strikes, switching surges, and electrostatic discharge (ESD). Built with advanced gas discharge technology, it ensures fast response and reliable protection in demanding environments.\u003c\/p\u003e\n\u003cp data-start=\"505\" data-end=\"933\"\u003eWith a \u003cstrong data-start=\"512\" data-end=\"545\"\u003eDC spark-over voltage of 300V\u003c\/strong\u003e, this device is ideal for medium to high-voltage applications, offering a well-balanced protection threshold that prevents premature triggering while ensuring effective surge suppression. It features strong \u003cstrong data-start=\"753\" data-end=\"796\"\u003eimpulse spark-over performance (1kV\/µs)\u003c\/strong\u003e and supports high \u003cstrong data-start=\"815\" data-end=\"853\"\u003eimpulse discharge current (8\/20µs)\u003c\/strong\u003e, making it suitable for applications exposed to frequent or high-energy surges.\u003c\/p\u003e\n\u003cp data-start=\"935\" data-end=\"1241\"\u003eThe component provides \u003cstrong data-start=\"958\" data-end=\"986\"\u003elow capacitance at 1 MHz\u003c\/strong\u003e, preserving signal integrity in high-speed communication systems, along with \u003cstrong data-start=\"1064\" data-end=\"1094\"\u003ehigh insulation resistance\u003c\/strong\u003e to minimize leakage current. Stable \u003cstrong data-start=\"1131\" data-end=\"1179\"\u003eglow voltage and arc voltage characteristics\u003c\/strong\u003e contribute to consistent operation and extended service life.\u003c\/p\u003e\n\u003cp data-start=\"1243\" data-end=\"1569\"\u003eEncased in a compact \u003cstrong data-start=\"1264\" data-end=\"1283\"\u003eSMD4042 package\u003c\/strong\u003e, the SMD4042-300E enables easy surface-mount installation and flexible PCB layouts. It is widely used in \u003cstrong data-start=\"1389\" data-end=\"1502\"\u003etelecommunications, industrial automation, power systems, smart grid infrastructure, and consumer electronics\u003c\/strong\u003e, delivering dependable protection and enhanced system reliability.\u003c\/p\u003e\n\u003chr data-start=\"1571\" data-end=\"1574\"\u003e\n\u003cp data-start=\"1576\" data-end=\"1595\"\u003e\u003cstrong data-start=\"1576\" data-end=\"1593\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1596\" data-end=\"1958\"\u003e\n\u003cli data-section-id=\"1rx7780\" data-start=\"1596\" data-end=\"1626\"\u003e300V DC Spark-Over Voltage\u003c\/li\u003e\n\u003cli data-section-id=\"p54ggi\" data-start=\"1627\" data-end=\"1681\"\u003eHigh impulse discharge current capability (8\/20µs)\u003c\/li\u003e\n\u003cli data-section-id=\"smyr7d\" data-start=\"1682\" data-end=\"1719\"\u003eFast response to transient surges\u003c\/li\u003e\n\u003cli data-section-id=\"k27bm\" data-start=\"1720\" data-end=\"1773\"\u003eLow capacitance for signal integrity preservation\u003c\/li\u003e\n\u003cli data-section-id=\"oj5ydm\" data-start=\"1774\" data-end=\"1829\"\u003eHigh insulation resistance with low leakage current\u003c\/li\u003e\n\u003cli data-section-id=\"1u7cp2v\" data-start=\"1830\" data-end=\"1873\"\u003eStable glow and arc voltage performance\u003c\/li\u003e\n\u003cli data-section-id=\"10hmw0c\" data-start=\"1874\" data-end=\"1916\"\u003eLong service life and high reliability\u003c\/li\u003e\n\u003cli data-section-id=\"7ju2s8\" data-start=\"1917\" data-end=\"1958\"\u003eCompact SMD4042 surface-mount package\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1960\" data-end=\"1963\"\u003e\n\u003cp data-start=\"1965\" data-end=\"1984\"\u003e\u003cstrong data-start=\"1965\" data-end=\"1982\"\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1985\" data-end=\"2243\"\u003e\n\u003cli data-section-id=\"1p9gxbi\" data-start=\"1985\" data-end=\"2038\"\u003eTelecommunications and data communication systems\u003c\/li\u003e\n\u003cli data-section-id=\"wumgt4\" data-start=\"2039\" data-end=\"2076\"\u003ePower supply and adapter circuits\u003c\/li\u003e\n\u003cli data-section-id=\"k7606u\" data-start=\"2077\" data-end=\"2124\"\u003eIndustrial automation and control equipment\u003c\/li\u003e\n\u003cli data-section-id=\"1751ez9\" data-start=\"2125\" data-end=\"2164\"\u003eSmart meters and smart grid systems\u003c\/li\u003e\n\u003cli data-section-id=\"yxopth\" data-start=\"2165\" data-end=\"2205\"\u003eConsumer electronics and IoT devices\u003c\/li\u003e\n\u003cli data-section-id=\"9jjubo\" data-start=\"2206\" data-end=\"2243\"\u003eSecurity and surveillance systems\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RUILON","offers":[{"title":"Default Title","offer_id":43768481579073,"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\/smd4042-300e-300v-gas-discharge-tube-smd4042-package-ruilon","provider":"Hext by Regent Electronics","version":"1.0","type":"link"}