{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"BB170X","brand":"NXP Semiconductors","brandSlug":"nxp","productSlug":"BB170X","canonicalUrl":"https://icboms.com/nxp/BB170X","factsUrl":"https://icboms.com/api/mcp/products/BB170X","rawCanonicalId":null},"summary":{"shortDescription":"NXP BB170X VHF varactor diode, single, surface mount, SOD-323, 30 V peak reverse, 2.75pF @ 28V, capacitance ratio 15, -55 to 125°C, active.","salesMarkdown":"## 2.75 pF at 28 V — the tuning capacitance that sets the VCO centre frequency The BB170X is a single VHF varactor diode in a SOD-323 surface-mount package. Its typical capacitance is 2.75 pF at 28 V reverse bias and 1 MHz, with a capacitance ratio of 15 from C1 to C28. ## 30 V peak reverse — headroom for the tuning voltage rail Peak reverse voltage is 30 V, so the tuning voltage can swing up to about 28 V without entering breakdown. ## SOD-323 footprint and surface-mount assembly The SOD-323 case (SC-76) is a standard small-signal diode footprint. It reflows on a standard board with no special pad geometry. For a production BOM that needs a stable varactor through the next several years, this part does not introduce obsolescence risk.","metaTitle":"BB170X Varactor Diode, 2.75pF @ 28V, SOD-323, Active","metaDescription":"BB170X VHF varactor diode, 2.75pF capacitance at 28V, capacitance ratio 15 (C1/C28), SOD-323 package, -55 to 125°C, active production.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":[],"specifications":{"Package":"Tape & Reel (TR); Cut Tape (CT)","Diode Type":"Single","Mounting Type":"Surface Mount","Package / Case":"SC-76, SOD-323","lifecycle_stage":"eol_hot","Capacitance Ratio":"15","Capacitance @ Vr, F":"2.75pF @ 28V, 1MHz","Operating Temperature":"-55°C ~ 125°C (TJ)","Supplier Device Package":"SOD-323","Capacitance Ratio Condition":"C1/C28","Voltage - Peak Reverse (Max)":"30 V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.41","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$0.42000","currency":"USD"},{"qty":10,"price":"$0.36100","currency":"USD"},{"qty":100,"price":"$0.26960","currency":"USD"},{"qty":500,"price":"$0.21182","currency":"USD"},{"qty":1000,"price":"$0.16368","currency":"USD"},{"qty":3000,"price":"$0.15222","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/92db9044b9eb3d462a40d0d406f2e847.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the capacitance of BB170X at 28V?","answer":"At 28 V reverse bias and 1 MHz, the typical capacitance is 2.75 pF. This is the C28 value used to compute the capacitance ratio."},{"question":"What is BB170X used for?","answer":"It is a VHF varactor diode for voltage-controlled oscillators, tunable filters, and phase-locked loops in RF front-ends. The 30 V reverse rating and 15:1 capacitance ratio suit it for wide-tuning-range designs in communications equipment."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/nxp/BB170X","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/nxp/BB170X 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}}