{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1N6151AUS","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"1N6151AUS","canonicalUrl":"https://icboms.com/microchip/1N6151AUS","factsUrl":"https://icboms.com/api/mcp/products/1N6151AUS","rawCanonicalId":null},"summary":{"shortDescription":"Microchip Technology 1N6151AUS, Zener TVS diode, 1500W peak pulse power, 18.2V reverse standoff, 33.3V clamping, SQ-MELF surface-mount package, -55°C to 175°C junction temperature.","salesMarkdown":"## What the 1500W peak pulse rating means for your protection budget The 1N6151AUS is a Zener-type transient voltage suppressor rated for 1500W (1.5kW) peak pulse power per the 10/1000µs waveform. That energy rating tells you how much surge current this part can clamp before the junction gives way — in this case, up to 45A peak pulse current at the clamping voltage of 33.3V. With an 18.2V reverse standoff voltage, it sits on a nominal 12V or 15V rail and stays out of conduction until the transient exceeds the 22.8V minimum breakdown threshold. The 33.3V clamp ceiling limits the spike the downstream circuitry sees. ## SQ-MELF package and temperature range — built for harsh environments The SQ-MELF (C) package is a hermetic, surface-mount ceramic body with metallized end caps. It handles the -55°C to 175°C junction temperature range without the moisture sensitivity or thermal-cycle fatigue you get with plastic SMD packages. That makes it a natural fit for avionics, military, and downhole applications where the board sees wide temperature swings and the part must not outgas or delaminate. Because the package is bulk-shipped (not tape-and-reel), plan for manual or low-volume placement. The end-cap solder joints are robust, but the thermal mass of the ceramic body means you need a hot-air profile with a longer soak phase to reflow the part without cold joints. ## Active production — no near-term EOL concern That gives you runway for design-in and production planning without scrambling for a second source. This is not a stock-holding claim — we source per RFQ and can provide lead-time visibility on request.","metaTitle":"1N6151AUS Zener TVS Diode - 1500W, SQ-MELF, Active","metaDescription":"1N6151AUS Zener TVS diode from Microchip Technology. 1500W peak pulse power, 18.2V standoff, 33.3V clamp. SQ-MELF surface mount, -55°C to 175°C.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Circuit Protection"],"specifications":{"Mfr":"Microchip Technology","Type":"Zener","Series":"-","Package":"Bulk","Applications":"General Purpose","Mounting Type":"Surface Mount","Package / Case":"SQ-MELF, C","Product Status":"Active","lifecycle_stage":"eol_hot","Power - Peak Pulse":"1500W (1.5kW)","Base Product Number":"1N6151","Operating Temperature":"-55°C~175°C(TJ)","Power Line Protection":"No","Bidirectional Channels":"1","Capacitance @ Frequency":"-","Supplier Device Package":"C, SQ-MELF","Voltage - Breakdown (Min)":"22.8V","Voltage - Clamping (Max) @ Ipp":"33.3V","Voltage - Reverse Standoff (Typ)":"18.2V","Current - Peak Pulse (10/1000µs)":"45A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$21.6000","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://www.microsemi.com/document-portal/doc_download/127854-1n6138us-1n6173aus-tvs-diode-series-datasheet","sourceUrl":null},"ai":{"faq":[{"question":"What is the difference between 1N6151AUS and the base 1N6151?","answer":"The 1N6151AUS suffix indicates the surface-mount SQ-MELF package, while the base 1N6151 is typically a through-hole package. Electrically they share the same Zener breakdown and clamping characteristics — the choice is purely footprint and mounting method."},{"question":"Where can I buy the 1N6151AUS?","answer":"We source the 1N6151AUS per RFQ against your BOM quantity. Submit a request for current pricing, lead time, and availability — no stock-holding claim is made here."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/1N6151AUS","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/1N6151AUS when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-17T19:50:00.618Z","lastPublished":"2026-07-17T19:50:00.618Z","indexable":true}}