{"product_id":"10pcs-hc-49s-quartz-crystal-resonator-passive-oscillator-dip","title":"10PCS HC-49S Quartz Crystal Resonator Passive Oscillator DIP","description":"\u003ch2\u003e10PCS HC-49S Quartz Crystal Resonator – Passive Oscillator (DIP Through-Hole)\u003c\/h2\u003e\n\u003cp\u003eGet reliable, precision timing for your electronics projects with this 10-piece set of HC-49S quartz crystal resonators. Available in a wide range of frequencies — 4MHz, 6MHz, 8MHz, 11.0592MHz, 12MHz, 16MHz, 20MHz, 24MHz, 28.375MHz, and 40MHz — these passive oscillators are ideal for microcontrollers, Arduino builds, clocks, communication circuits, and DIY electronics. The standard DIP through-hole package makes them easy to solder onto any breadboard or PCB.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Frequency Range:\u003c\/strong\u003e Choose from 4MHz, 6MHz, 8MHz, 11.0592MHz, 12MHz, 16MHz, 20MHz, 24MHz, 28.375MHz, or 40MHz to suit your exact project needs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHC-49S Package:\u003c\/strong\u003e Low-profile, industry-standard through-hole DIP form factor — fits directly into breadboards and PCB footprints.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePassive Oscillator Design:\u003c\/strong\u003e Requires external load capacitors, giving you precise control over your oscillator circuit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e±5% Accuracy:\u003c\/strong\u003e Consistent frequency performance for stable timing in microcontroller and digital logic applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePack of 10:\u003c\/strong\u003e Great value — stock up for multiple projects or replace worn-out components quickly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo High-Concern Chemicals:\u003c\/strong\u003e Manufactured without hazardous substances for safer handling.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand: NioCen\u003c\/strong\u003e | New condition | Customization available.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Quartz Crystal Resonator (Passive Oscillator)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e HC-49S, DIP Through-Hole\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailable Frequencies:\u003c\/strong\u003e 4MHz, 6MHz, 8MHz, 11.0592MHz, 12MHz, 16MHz, 20MHz, 24MHz, 28.375MHz, 40MHz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAccuracy:\u003c\/strong\u003e ±5%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 10 pieces per order\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e NioCen\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eArduino, AVR, PIC \u0026amp; STM32 microcontroller clock sources\u003c\/li\u003e\n  \u003cli\u003eUSB interface circuits (11.0592MHz for precise UART baud rates)\u003c\/li\u003e\n  \u003cli\u003eDigital clocks and timers\u003c\/li\u003e\n  \u003cli\u003eRF and communication modules\u003c\/li\u003e\n  \u003cli\u003eEmbedded systems and IoT devices\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/360-bicycle-chain-cleaner-tool-gear-cleaning-kit\"\u003e360° Bicycle Chain Cleaner Tool | Bike Gear Cleaning Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What frequencies are included in the HC-49S quartz crystal resonator pack?\u003c\/h4\u003e\n\u003cp\u003eA: You can select from 4MHz, 6MHz, 8MHz, 11.0592MHz, 12MHz, 16MHz, 20MHz, 24MHz, 28.375MHz, and 40MHz. Each order contains 10 pieces of your selected frequency, making it easy to stock your workshop or build multiple circuits at once.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the difference between a passive crystal resonator and an active oscillator?\u003c\/h4\u003e\n\u003cp\u003eA: A passive crystal resonator (like this HC-49S) requires external components such as load capacitors and an inverter to generate an oscillation signal. An active oscillator includes its own driver circuit internally. Passive crystals give you more design flexibility and are commonly used with microcontrollers like Arduino, PIC, and AVR chips.\u003c\/p\u003e\n\u003ch4\u003eQ: Is the HC-49S package compatible with standard breadboards and PCBs?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The HC-49S is a standard through-hole DIP package that fits directly into standard 2.54mm-pitch breadboard holes and most common PCB footprints, making soldering and prototyping quick and straightforward.\u003c\/p\u003e\n\u003ch4\u003eQ: Why is 11.0592MHz commonly used in microcontroller projects?\u003c\/h4\u003e\n\u003cp\u003eA: The 11.0592MHz frequency is particularly popular in UART serial communication projects because it divides evenly into standard baud rates (such as 9600, 19200, and 115200 bps), resulting in zero baud rate error — a critical factor for reliable serial data transmission.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What frequencies are included in the HC-49S quartz crystal resonator pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"You can select from 4MHz, 6MHz, 8MHz, 11.0592MHz, 12MHz, 16MHz, 20MHz, 24MHz, 28.375MHz, and 40MHz. 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