{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1N6103AUS","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"1N6103AUS","canonicalUrl":"https://icboms.com/microchip/1N6103AUS","factsUrl":"https://icboms.com/api/mcp/products/1N6103AUS","rawCanonicalId":null},"summary":{"shortDescription":"Microchip Technology 1N6103AUS, Zener TVS Diode, 500W Peak Pulse Power, Bidirectional, SQ-MELF B Package, Surface Mount, -55°C to 175°C","salesMarkdown":"## 500W Zener TVS in a Hermetic SQ-MELF The 5.7V reverse standoff voltage and 7.13V minimum breakdown voltage define the clamping threshold; the maximum clamping voltage at 44.6A peak pulse current is 11.2V. This part is specified across the full -55°C to 175°C junction temperature range, making it suitable for avionics, downhole, and military-grade power rails where the ambient can exceed 125°C. ## SQ-MELF Package and Mounting Considerations Housed in a SQ-MELF, B (surface-mount) package — a hermetic ceramic body with metallized end caps. The B suffix indicates the bidirectional configuration. This package is common in high-reliability and space-grade designs because the hermetic seal prevents moisture ingress and the end-cap solder joints tolerate thermal cycling better than a plastic SMD. The supplier device package is listed as B, SQ-MELF. The mounting surface must be flat and the solder profile matched to the end-cap metallization — typically a 60/40 or SAC305 reflow with a peak temperature around 245°C. ## Active Production — Sourcing and Lifecycle The base product number is 1N6103. No official successor or cross-reference is published — the 1N6103AUS is the standard offering in this voltage and package combination.","metaTitle":"1N6103AUS Zener TVS Diode – 500W, Bidirectional, SQ-MELF","metaDescription":"1N6103AUS from Microchip Technology: Zener TVS diode, 500W peak pulse power, bidirectional, SQ-MELF surface-mount package, -55°C to 175°C. Active production.","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, B","Product Status":"Active","lifecycle_stage":"eol_hot","Power - Peak Pulse":"500W","Base Product Number":"1N6103","Operating Temperature":"-55°C~175°C(TJ)","Power Line Protection":"No","Bidirectional Channels":"1","Capacitance @ Frequency":"-","Supplier Device Package":"B, SQ-MELF","Voltage - Breakdown (Min)":"7.13V","Voltage - Clamping (Max) @ Ipp":"11.2V","Voltage - Reverse Standoff (Typ)":"5.7V","Current - Peak Pulse (10/1000µs)":"44.6A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$21.5400","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/5dbd5050221203b922ebce5a7a6e86e6.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Is the 1N6103AUS a bidirectional or unidirectional diode?","answer":"It is a single bidirectional channel — the B in the package suffix (SQ-MELF, B) confirms the bidirectional configuration. The part clamps both positive and negative transients symmetrically."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/1N6103AUS","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/1N6103AUS 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}}