{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"BB174X","brand":"NXP Semiconductors","brandSlug":"nxp","productSlug":"BB174X","canonicalUrl":"https://icboms.com/nxp/BB174X","factsUrl":"https://icboms.com/api/mcp/products/BB174X","rawCanonicalId":null},"summary":{"shortDescription":"NXP BB174X VHF varactor diode, single, 30 V peak reverse, 2.22 pF @ 28V, capacitance ratio 10.9, SOD-523 package, -55 to 125 °C.","salesMarkdown":"The NXP BB174X is a single VHF varactor diode in a SOD-523 surface-mount package. It is built for voltage-controlled tuning in VHF oscillators and filters. The 30 V peak reverse rating sets the tuning voltage ceiling, and the 2.22 pF at 28 V gives the tank capacitance at the high end of the bias range. The capacitance ratio of 10.9 (C1/C28) indicates the tuning range. The 2.22 pF at 28 V is the capacitance at full reverse bias — that's your minimum capacitance for the LC tank. The 10.9 ratio means you get roughly a 10.9:1 frequency sweep in the oscillator, which is typical for VHF varactors. If you need a wider sweep, you'd look at a different diode family; if you need tighter linearity, you'd check the C-V curve. SOD-523 is a tiny two-lead package. Surface-mount only. The Tape & Reel or Cut Tape option feeds into a pick-and-place for volume builds, or you can grab a cut tape for prototype runs. Keep the traces short to the tank circuit to minimize parasitic inductance at VHF. No end-of-life notice has been issued. If you are freezing a BOM, this one is not going away soon.","metaTitle":"NXP BB174X VHF Varactor Diode, 30V, SOD-523","metaDescription":"NXP BB174X VHF varactor diode, 30 V peak reverse, 2.22 pF @ 28V, capacitance ratio 10.9. Active, ROHS3 compliant.","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-79, SOD-523","lifecycle_stage":"eol_hot","Capacitance Ratio":"10.9","Capacitance @ Vr, F":"2.22pF @ 28V, 1MHz","Operating Temperature":"-55°C ~ 125°C (TJ)","Supplier Device Package":"SOD-523","Capacitance Ratio Condition":"C1/C28","Voltage - Peak Reverse (Max)":"30 V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.54","priceTiers":[{"qty":1,"price":"$0.52000","currency":"USD"},{"qty":10,"price":"$0.40000","currency":"USD"},{"qty":100,"price":"$0.24020","currency":"USD"},{"qty":500,"price":"$0.22246","currency":"USD"},{"qty":1000,"price":"$0.15127","currency":"USD"},{"qty":3000,"price":"$0.13926","currency":"USD"},{"qty":6000,"price":"$0.13347","currency":"USD"},{"qty":9000,"price":"$0.12012","currency":"USD"},{"qty":30000,"price":"$0.11834","currency":"USD"},{"qty":75000,"price":"$0.11123","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/c36d377b48d1d32ebceb0b8055e6fa1e.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/BB174X/alternatives.json"},"ai":{"faq":[{"question":"What is the capacitance ratio of BB174X?","answer":"The capacitance ratio is 10.9, measured as C1/C28. That's the ratio of capacitance at 1 V bias to capacitance at 28 V bias."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/nxp/BB174X","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/nxp/BB174X when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T18:51:14.863Z","lastPublished":"2026-07-22T18:51:14.863Z","indexable":true}}