{"product_id":"3r420b-5ss-420v-gas-discharge-tube-gdt-surge-protector-3rb-5ss-package-ruilon","title":"3R420B-5SS 420V Gas Discharge Tube (GDT) Surge Protector – 3RB-5SS Package | RUILON","description":"\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:fb28836d-5024-410d-a6ea-424568166af4-63\" data-testid=\"conversation-turn-128\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"ff968e20-a9e6-4b0e-9d64-4b407c882fd2\" dir=\"auto\" data-message-model-slug=\"gpt-5-3-mini\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\"\u003e\n\u003cp data-start=\"109\" data-end=\"539\"\u003eThe \u003cstrong data-start=\"136\" data-end=\"175\"\u003e3R420B-5SS Gas Discharge Tube (GDT)\u003c\/strong\u003e from \u003cstrong data-start=\"181\" data-end=\"191\"\u003eRUILON\u003c\/strong\u003e is a high-reliability ceramic surge protection device designed to safeguard electronic systems from transient overvoltage events such as lightning strikes and switching surges. Featuring a \u003cstrong data-start=\"381\" data-end=\"411\"\u003e420V DC spark-over voltage\u003c\/strong\u003e, this component is ideal for medium- to high-voltage applications requiring stable and efficient surge suppression performance.\u003c\/p\u003e\n\u003cp data-start=\"541\" data-end=\"954\"\u003eBuilt with advanced gas discharge technology, the 3R420B-5SS delivers \u003cstrong data-start=\"611\" data-end=\"658\"\u003estable impulse spark-over voltage at 1KV\/µs\u003c\/strong\u003e, along with \u003cstrong data-start=\"671\" data-end=\"701\"\u003ehigh insulation resistance\u003c\/strong\u003e and \u003cstrong data-start=\"706\" data-end=\"734\"\u003elow capacitance at 1 MHz\u003c\/strong\u003e, ensuring minimal signal distortion in communication and control circuits. Its strong capability to withstand \u003cstrong data-start=\"845\" data-end=\"897\"\u003ehigh impulse discharge current (8\/20µs waveform)\u003c\/strong\u003e enables reliable surge absorption and long service life.\u003c\/p\u003e\n\u003cp data-start=\"956\" data-end=\"1268\"\u003eCompared to lower voltage GDT variants, the 420V model offers improved resistance to false triggering in higher operating voltage environments while maintaining consistent protection performance. The compact \u003cstrong data-start=\"1164\" data-end=\"1183\"\u003e3RB-5SS package\u003c\/strong\u003e supports efficient PCB layout and dependable operation in space-constrained designs.\u003c\/p\u003e\n\u003cp data-start=\"1270\" data-end=\"1496\"\u003eThis GDT is widely used in \u003cstrong data-start=\"1297\" data-end=\"1436\"\u003etelecommunications equipment, power supplies, industrial automation systems, signal line protection, and surge protection devices (SPD)\u003c\/strong\u003e, delivering consistent and long-lasting circuit protection.\u003c\/p\u003e\n\u003chr data-start=\"1498\" data-end=\"1501\"\u003e\n\u003cp data-start=\"1503\" data-end=\"1522\"\u003e\u003cstrong data-start=\"1503\" data-end=\"1520\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1523\" data-end=\"1873\"\u003e\n\u003cli data-section-id=\"p1ysom\" data-start=\"1523\" data-end=\"1581\"\u003e420V DC spark-over voltage for stable surge protection\u003c\/li\u003e\n\u003cli data-section-id=\"usz1lm\" data-start=\"1582\" data-end=\"1632\"\u003eStable impulse spark-over performance (1KV\/µs)\u003c\/li\u003e\n\u003cli data-section-id=\"e1lj48\" data-start=\"1633\" data-end=\"1684\"\u003eHigh surge current capability (8\/20µs waveform)\u003c\/li\u003e\n\u003cli data-section-id=\"1v56u3e\" data-start=\"1685\" data-end=\"1725\"\u003eLow capacitance for signal integrity\u003c\/li\u003e\n\u003cli data-section-id=\"1ar9mdq\" data-start=\"1726\" data-end=\"1772\"\u003eHigh insulation resistance and reliability\u003c\/li\u003e\n\u003cli data-section-id=\"4s5acv\" data-start=\"1773\" data-end=\"1825\"\u003eCompact 3RB-5SS package for efficient PCB design\u003c\/li\u003e\n\u003cli data-section-id=\"vqpqhu\" data-start=\"1826\" data-end=\"1873\"\u003eLong service life with high surge endurance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1875\" data-end=\"1878\"\u003e\n\u003cp data-start=\"1880\" data-end=\"1899\"\u003e\u003cstrong data-start=\"1880\" data-end=\"1897\"\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1900\" data-end=\"2122\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"cnyvda\" data-start=\"1900\" data-end=\"1936\"\u003eTelecom and networking equipment\u003c\/li\u003e\n\u003cli data-section-id=\"1aibmrf\" data-start=\"1937\" data-end=\"1976\"\u003ePower supply and adapter protection\u003c\/li\u003e\n\u003cli data-section-id=\"xwcxty\" data-start=\"1977\" data-end=\"2010\"\u003eIndustrial automation systems\u003c\/li\u003e\n\u003cli data-section-id=\"1ywh1kw\" data-start=\"2011\" data-end=\"2046\"\u003eSignal and data line protection\u003c\/li\u003e\n\u003cli data-section-id=\"7vkfio\" data-start=\"2047\" data-end=\"2081\"\u003eSurge protection devices (SPD)\u003c\/li\u003e\n\u003cli data-section-id=\"1tu7i0c\" data-start=\"2082\" data-end=\"2122\" data-is-last-node=\"\"\u003eConsumer and communication electronics\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"RUILON","offers":[{"title":"Default Title","offer_id":43771935948865,"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\/3r420b-5ss-420v-gas-discharge-tube-gdt-surge-protector-3rb-5ss-package-ruilon","provider":"Hext by Regent Electronics","version":"1.0","type":"link"}