{"product_id":"1-5ke18a-1500w-unidirectional-tvs-diode","title":"1.5KE18A 1500W Unidirectional TVS Diode","description":"\u003ch2\u003e1.5KE18A 1500W Unidirectional TVS Diode\u003c\/h2\u003e\n\u003cp\u003eThe 1.5KE18A is a unidirectional transient voltage suppressor diode designed to protect electronic circuits from voltage spikes, surge pulses, ESD-style transients and fast overvoltage events. It is commonly used across DC power rails, signal lines, industrial control boards, automotive-style electronics, telecom circuits and repair projects where transient protection is required.\u003c\/p\u003e\n\u003cp\u003eThis is a passive protection component. Always select a TVS diode by matching the normal working voltage, breakdown voltage, clamp voltage, polarity, surge rating and package style to your circuit.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1.5KE18A unidirectional TVS diode for transient voltage suppression.\u003c\/li\u003e\n\u003cli\u003e1500 W peak pulse power rating on standard 10\/1000 us waveform.\u003c\/li\u003e\n\u003cli\u003e15.3 V reverse standoff voltage for suitable protected DC lines.\u003c\/li\u003e\n\u003cli\u003eUnidirectional polarity for DC rail and polarity-sensitive protection designs.\u003c\/li\u003e\n\u003cli\u003eDO-201 axial through-hole package for PCB or wire-lead installation.\u003c\/li\u003e\n\u003cli\u003eFast response and low clamping impedance for surge protection circuits.\u003c\/li\u003e\n\u003cli\u003eUseful for power supply protection, industrial electronics, repair boards and prototyping.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Details\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.5KE18A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eComponent type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTransient voltage suppressor diode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePolarity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUnidirectional\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePeak pulse power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1500 W, 10\/1000 us waveform\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReverse standoff voltage VRWM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15.3 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBreakdown voltage VBR\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e17.1 V minimum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum clamping voltage VC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25.5 V at rated peak pulse current\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDO-201 axial through-hole\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTypical use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSurge, spike, ESD and transient protection for suitable circuits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage contents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 x 1.5KE18A TVS diode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003ch4\u003eWhat is the 1.5KE18A used for?\u003c\/h4\u003e\n\u003cp\u003eIt is used to clamp voltage transients and help protect sensitive electronics from surge pulses, spikes and fast overvoltage events.\u003c\/p\u003e\n\u003ch4\u003eIs 1.5KE18A unidirectional?\u003c\/h4\u003e\n\u003cp\u003eYes. The A suffix indicates a unidirectional TVS diode with tighter breakdown tolerance.\u003c\/p\u003e\n\u003ch4\u003eWhat voltage line is it suitable for?\u003c\/h4\u003e\n\u003cp\u003eIt has a 15.3 V reverse standoff voltage, so it is commonly selected for circuits where the normal working voltage stays below that value. Always check your actual circuit requirements.\u003c\/p\u003e\n\u003ch4\u003eWhat is the clamping voltage?\u003c\/h4\u003e\n\u003cp\u003eThe maximum clamping voltage is typically specified around 25.5 V at the rated peak pulse current.\u003c\/p\u003e\n\u003ch4\u003eCan I replace 1.5KE18CA with this?\u003c\/h4\u003e\n\u003cp\u003eNot directly in every circuit. 1.5KE18A is unidirectional, while 1.5KE18CA is bidirectional. Match the polarity requirement before replacement.\u003c\/p\u003e\n\u003ch4\u003eCan I replace a Zener diode with this?\u003c\/h4\u003e\n\u003cp\u003eNot automatically. A TVS diode is intended for transient protection, while Zener diodes are often used for voltage regulation or reference. Match the circuit function first.\u003c\/p\u003e\n\u003ch4\u003eCan it protect a 15 V circuit?\u003c\/h4\u003e\n\u003cp\u003eIt may be suitable for many 15 V transient-protection designs, but the normal maximum voltage and acceptable clamp voltage must be checked against the protected circuit.\u003c\/p\u003e\n\u003ch4\u003eIs it available in Pakistan?\u003c\/h4\u003e\n\u003cp\u003eYes, this 1.5KE18A TVS diode is available from Embeded Studio for customers in Pakistan.\u003c\/p\u003e\n\u003ch3\u003eImportant Note\u003c\/h3\u003e\n\u003cp\u003eTVS diode selection is design-specific. Confirm VRWM, VBR, clamping voltage, peak pulse rating, package and polarity before installing. This component does not prevent damage from sustained overvoltage or incorrect wiring.\u003c\/p\u003e","brand":"Embeded Studio","offers":[{"title":"Default Title","offer_id":62259105333618,"sku":"ES-15KE18A-TVS","price":35.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/7935\/3202\/files\/1.5KE18A.webp?v=1788026653","url":"https:\/\/embededstudio.com\/products\/1-5ke18a-1500w-unidirectional-tvs-diode","provider":"Embeded Studio","version":"1.0","type":"link"}