{"product_id":"bb910-varactor-diode-to92-vhf-uhf-tuning-30pf-1v-10pack","title":"BB910 Varactor Diode — TO-92, VHF\/UHF Tuning, 30pF @ 1V, 10-Pack","description":"\u003ch2\u003eBB910 Varactor Diode — TO-92, VHF\/UHF Tuning, 30pF @ 1V (10-Pack)\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eBB910\u003c\/strong\u003e is a silicon varactor (variable capacitance) diode in TO-92 through-hole package — its junction capacitance varies with reverse bias voltage, making it function as a voltage-controlled capacitor. Used in voltage-controlled oscillators (VCOs), FM tuners, and RF frequency synthesis circuits where electronic frequency tuning is required without mechanical components. Pack of 10.\u003c\/p\u003e\n\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e BB910\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e TO-92 (through-hole)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Varactor (variable capacitance) diode\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCapacitance @ 1V:\u003c\/strong\u003e ~30pF (typical)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCapacitance Range:\u003c\/strong\u003e Varies with reverse bias (typically 5–30pF over tuning range)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication Frequency:\u003c\/strong\u003e VHF \/ UHF (FM radio, TV tuner range)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMax Reverse Voltage:\u003c\/strong\u003e 20V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePack Quantity:\u003c\/strong\u003e 10 diodes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow Varactor Diodes Work\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eReverse-biased PN junction acts as a capacitor — depletion region width = dielectric thickness\u003c\/li\u003e\n  \u003cli\u003eHigher reverse voltage → wider depletion region → lower capacitance\u003c\/li\u003e\n  \u003cli\u003eLower reverse voltage → narrower depletion region → higher capacitance\u003c\/li\u003e\n  \u003cli\u003eVoltage-controlled capacitance enables electronic frequency tuning\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFM radio voltage-controlled oscillator (VCO)\u003c\/li\u003e\n  \u003cli\u003eTV tuner electronic channel selection\u003c\/li\u003e\n  \u003cli\u003ePLL frequency synthesizer tank circuit\u003c\/li\u003e\n  \u003cli\u003eVoltage-controlled filter (VCF)\u003c\/li\u003e\n  \u003cli\u003eRF modulator frequency deviation control\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eBB910 varactor diode, 10-pack — TO-92, ~30pF @ 1V, VHF\/UHF for voltage-controlled oscillators, FM tuners, and RF frequency synthesis circuits.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991447228651,"sku":"\u003cnone\u003e","price":4.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/bb910-to-92-varactor-diode-high-precision.webp?v=1761805194","url":"https:\/\/keszoox.com\/products\/bb910-varactor-diode-to92-vhf-uhf-tuning-30pf-1v-10pack","provider":"Keszoox","version":"1.0","type":"link"}