{"product_id":"rt9043gb-400ma-adjustable-ldo-voltage-regulator-sot23-5-10pcs","title":"RT9043GB 400mA Adjustable LDO Voltage Regulator SOT-23-5 10PCS","description":"\u003ch2\u003eRT9043GB High PSRR Adjustable LDO Voltage Regulator – 10-Piece Pack\u003c\/h2\u003e\n\u003cp\u003eGet reliable, precision voltage regulation with this 10-piece set of \u003cstrong\u003eRT9043GB Low Dropout (LDO) Voltage Regulator ICs\u003c\/strong\u003e. Designed for engineers, electronics hobbyists, and PCB designers who demand consistent, low-noise power management in compact form factors, the RT9043GB delivers outstanding performance in the industry-standard \u003cstrong\u003eSOT-23-5 package\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh PSRR (Power Supply Rejection Ratio):\u003c\/strong\u003e Excellent noise filtering ensures clean, stable output voltage — ideal for noise-sensitive analog and RF circuits.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e400mA Output Current:\u003c\/strong\u003e Provides ample current capacity for a wide range of microcontroller, sensor, and module applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable Output Voltage:\u003c\/strong\u003e Flexible output configuration suits diverse design requirements without needing multiple regulator variants.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Dropout Voltage:\u003c\/strong\u003e Maintains regulation efficiency even when input and output voltages are closely matched, extending battery life in portable designs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSOT-23-5 Package:\u003c\/strong\u003e Ultra-compact, surface-mount package for space-constrained PCB layouts.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNew Condition:\u003c\/strong\u003e Each IC is brand new, ensuring full performance and reliability from the first use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePack of 10:\u003c\/strong\u003e Cost-effective bulk quantity, perfect for prototyping, production runs, or building your component inventory.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e RT9043GB\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Adjustable LDO Voltage Regulator\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Current:\u003c\/strong\u003e 400mA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e SOT-23-5\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 10 PCS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Concern Chemicals:\u003c\/strong\u003e None\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\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003eWhether you are designing a battery-powered IoT device, a precision analog circuit, or a compact embedded system, the RT9043GB's combination of high PSRR, low dropout, and adjustable output makes it a versatile go-to regulator for engineers and makers alike. Having 10 pieces on hand means you are ready for both prototyping and small-batch production.\u003c\/p\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 is the output current rating of the RT9043GB LDO regulator?\u003c\/h4\u003e\n\u003cp\u003eA: The RT9043GB is rated for up to \u003cstrong\u003e400mA output current\u003c\/strong\u003e, making it suitable for powering microcontrollers, sensors, wireless modules, and other low-to-medium power electronics in your circuit designs.\u003c\/p\u003e\n\u003ch4\u003eQ: What does \"adjustable\" mean for this LDO regulator?\u003c\/h4\u003e\n\u003cp\u003eA: An adjustable LDO regulator allows you to set the output voltage to your desired level using external resistors, rather than being fixed at a single output voltage. This gives the RT9043GB maximum flexibility across a wide range of circuit design requirements.\u003c\/p\u003e\n\u003ch4\u003eQ: Is the SOT-23-5 package suitable for surface-mount assembly?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The SOT-23-5 is a standard surface-mount (SMD) package, fully compatible with automated pick-and-place assembly and hand soldering. Its small footprint makes it ideal for compact, space-saving PCB designs.\u003c\/p\u003e\n\u003ch4\u003eQ: Why does High PSRR matter in an LDO regulator?\u003c\/h4\u003e\n\u003cp\u003eA: High Power Supply Rejection Ratio (PSRR) means the RT9043GB effectively attenuates noise and ripple from the input supply, delivering a cleaner, more stable output voltage. This is especially important in audio, RF, and precision analog applications where noise can degrade performance.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the output current rating of the RT9043GB LDO regulator?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The RT9043GB is rated for up to 400mA output current, making it suitable for powering microcontrollers, sensors, wireless modules, and other low-to-medium power electronics in your circuit designs.\"}}, {\"@type\": \"Question\", \"name\": \"What does \\\"adjustable\\\" mean for this LDO regulator?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"An adjustable LDO regulator allows you to set the output voltage to your desired level using external resistors, rather than being fixed at a single output voltage. 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