{"product_id":"tc1-1t-rf-balun-transformer-0-4-500mhz-1-1-50-ohm-flux-coupled-signal-converter","title":"TC1-1T RF Balun Transformer 0.4–500MHz 1:1 50Ω | 2\/5 Pcs","description":"\n\u003ch2\u003eTC1-1T RF Balun Transformer — 1:1 Balanced-to-Unbalanced Signal Converter\u003c\/h2\u003e\n\u003cp\u003eGet clean, reliable RF signal conversion across an ultra-wide frequency range with the \u003cstrong\u003eTC1-1T RF Balun Transformer\u003c\/strong\u003e. Whether you're prototyping a radio circuit, building an antenna feed network, or designing RF test equipment, this compact flux-coupled balun delivers consistent 1:1 impedance matching from \u003cstrong\u003e0.4 MHz all the way up to 500 MHz\u003c\/strong\u003e. Available in convenient 2-piece or 5-piece packs, it's a must-have component for RF engineers, hobbyists, and electronics enthusiasts alike.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eMade in Mainland China.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e TC1-1T\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eImpedance Ratio:\u003c\/strong\u003e 1:1 CT (Center-Tapped)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCharacteristic Impedance:\u003c\/strong\u003e 50 Ω\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrequency Range:\u003c\/strong\u003e 0.4 MHz to 500 MHz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRF Power:\u003c\/strong\u003e 0.50 W\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDC Current:\u003c\/strong\u003e 30 mA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -40°C to +85°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 5 × 4 × 3 mm (compact SMD package)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity:\u003c\/strong\u003e 2 Pcs or 5 Pcs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery Required:\u003c\/strong\u003e No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWireless:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose the TC1-1T Balun?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eUltra-Wide Bandwidth:\u003c\/strong\u003e Spans 0.4–500 MHz, covering HF, VHF, and UHF bands in a single component.\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eFlux-Coupled Design:\u003c\/strong\u003e Provides excellent isolation and minimal signal loss between balanced and unbalanced circuits.\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eCompact SMD Footprint:\u003c\/strong\u003e At just 5×4×3 mm, it integrates easily into tight PCB layouts.\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eWide Temperature Tolerance:\u003c\/strong\u003e Performs reliably from -40°C to +85°C, suitable for harsh environments.\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eMulti-Pack Value:\u003c\/strong\u003e Choose a 2-piece or 5-piece pack to match your project needs and reduce per-unit cost.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAntenna feed lines and impedance-matching networks\u003c\/li\u003e\n  \u003cli\u003eRF amplifier input\/output balancing\u003c\/li\u003e\n  \u003cli\u003eSoftware-defined radio (SDR) front-end circuits\u003c\/li\u003e\n  \u003cli\u003eSignal generators, spectrum analyzers, and RF test rigs\u003c\/li\u003e\n  \u003cli\u003eAmateur (ham) radio transceiver design\u003c\/li\u003e\n  \u003cli\u003eBalanced mixer and diplexer circuits\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cp\u003ePlease allow ±2–3% dimensional variation due to manual measurement. Actual product color may differ slightly from images due to differences in monitor calibration.\u003c\/p\u003e\n\n\u003ch3\u003eExplore More Electronics Components\u003c\/h3\u003e\n\u003cp\u003eLooking for other useful electronics parts and accessories? Check out these related products from our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/1pc-10g-high-grade-silicon-grease-lubricant-o-lubrication-good-odorless-smoothness-for-o-rings-tube-silicone-grease-lubricant\"\u003eSilicone Grease Lubricant for O-rings \u0026amp; Connectors\u003c\/a\u003e — ideal for protecting and sealing electronic connectors.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/1pc-large-capacity-battery-storage-organizer-box-batteries-not-included-vintage-beer-crate-appearance-holds-30-aaa-batteries\"\u003eBattery Storage Organizer Box\u003c\/a\u003e — keep your workshop power supplies neat and accessible.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/1pc-mobile-data-cable-storage-box-portable-winding-earphone-charger-storage-box-with-lid-drawer-organizer-box\"\u003eCable \u0026amp; Charger Storage Box\u003c\/a\u003e — organize your test leads and USB cables with ease.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What does a 1:1 RF balun transformer do?\u003c\/h4\u003e\n\u003cp\u003eA: A 1:1 RF balun (balanced-to-unbalanced) transformer converts signals between balanced transmission lines (such as twin-lead or dipole antennas) and unbalanced coaxial lines, while maintaining a matched 50 Ω impedance. The TC1-1T achieves this through flux coupling, minimizing signal loss and interference across its 0.4–500 MHz operating range.\u003c\/p\u003e\n\u003ch4\u003eQ: Is the TC1-1T suitable for SDR (Software Defined Radio) projects?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The TC1-1T's wide bandwidth (0.4–500 MHz) and 50 Ω impedance make it an excellent choice for SDR front-end balun applications, antenna switches, and LNA input matching circuits commonly used in amateur radio and RF experimentation.\u003c\/p\u003e\n\u003ch4\u003eQ: Can this balun transformer handle high-power RF applications?\u003c\/h4\u003e\n\u003cp\u003eA: The TC1-1T is rated for 0.50 W RF power and 30 mA DC current, making it best suited for low-power signal-level applications such as receivers, signal generators, and test equipment. It is not designed for high-power transmitter output stages.\u003c\/p\u003e\n\u003ch4\u003eQ: What package size does the TC1-1T come in?\u003c\/h4\u003e\n\u003cp\u003eA: The TC1-1T measures just 5 × 4 × 3 mm, making it a compact surface-mount device (SMD) component ideal for high-density PCB designs.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does a 1:1 RF balun transformer do?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A 1:1 RF balun (balanced-to-unbalanced) transformer converts signals between balanced transmission lines (such as twin-lead or dipole antennas) and unbalanced coaxial lines, while maintaining a matched 50 Ω impedance. 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