{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1N6334US","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"1N6334US","canonicalUrl":"https://icboms.com/microchip/1N6334US","factsUrl":"https://icboms.com/api/mcp/products/1N6334US","rawCanonicalId":null},"summary":{"shortDescription":"Microchip Technology 1N6334US Zener diode, 27 V nominal, 500 mW, ±5% tolerance, SQ-MELF package, surface mount, bulk.","salesMarkdown":"## Zener voltage and thermal budget The 1N6334US is a 27 V Zener diode rated for 500 mW continuous power dissipation in a hermetic SQ-MELF package. With ±5% tolerance on the 27 V nominal, the regulation window spans 25.65 V to 28.35 V — enough margin for most clamping and shunt-regulator circuits without bin-sorting. The -65°C to +175°C operating range covers the full military temperature grade and then some — useful in avionics or downhole tools where the ambient hits 150°C and the diode still holds its Zzt under 27 ohms. ## Leakage and forward drop Reverse leakage at 21 V is a max of 50 nA — low enough that it won't drift a high-impedance bias network or drain a battery-powered hold-up capacitor. The forward voltage at 1 A is 1.4 V max, so the diode can handle brief forward-surge conditions without cooking the junction.","metaTitle":"1N6334US Zener Diode, 27 V, 500 mW, SQ-MELF, Active","metaDescription":"Microchip Technology 1N6334US 27 V Zener diode in hermetic SQ-MELF package. 500 mW, ±5% tolerance, -65°C to 175°C. Active production. Request quote.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Discrete Semiconductors"],"specifications":{"Mfr":"Microchip Technology","Series":"-","Package":"Bulk","Tolerance":"±5%","Power - Max":"500 mW","Mounting Type":"Surface Mount","Package / Case":"SQ-MELF, B","lifecycle_stage":"eol_hot","Impedance (Max) (Zzt)":"27 Ohms","Operating Temperature":"-65°C~175°C","Supplier Device Package":"B, SQ-MELF","Voltage - Zener (Nom) (Vz)":"27 V","Current - Reverse Leakage @ Vr":"50 nA @ 21 V","Voltage - Forward (Vf) (Max) @ If":"1.4 V @ 1 A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/950a1a5ef1d17a0e9b75efb616fa4721.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/1N6334US/alternatives.json"},"ai":{"faq":[{"question":"What package does the 1N6334US come in?","answer":"It is supplied in a hermetic SQ-MELF (Surface Mount MELF) package, specifically the 'B' variant per the supplier device package code. The package is the same as the JEDEC DO-213AB outline — a cylindrical, glass-passivated body with solderable end caps."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/1N6334US","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/1N6334US when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:49:49.435Z","lastPublished":"2026-08-11T15:49:49.435Z","indexable":true}}