{"product_id":"10pcs-cj78l09-9v-linear-voltage-regulator-ic-chip-sot-89","title":"10PCS CJ78L09 9V Linear Voltage Regulator IC SOT-89 Chip","description":"\u003ch2\u003e10PCS CJ78L09 Linear Voltage Regulator IC – SOT-89 Package\u003c\/h2\u003e\n\u003cp\u003eGet reliable, stable 9V output with this pack of \u003cstrong\u003e10 x CJ78L09 Linear Voltage Regulator chips\u003c\/strong\u003e in the compact \u003cstrong\u003eSOT-89 surface-mount package\u003c\/strong\u003e. Ideal for hobbyists, engineers, and electronics enthusiasts who need consistent voltage regulation in low-power circuit designs.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e CJ78L09\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Voltage:\u003c\/strong\u003e 9V (fixed)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Current:\u003c\/strong\u003e 0.1A (100mA)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Dissipation:\u003c\/strong\u003e 0.5W\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage Regulation Accuracy:\u003c\/strong\u003e ±3%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e SOT-89\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 10 pieces per pack\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-concern chemicals:\u003c\/strong\u003e None\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose the CJ78L09?\u003c\/h3\u003e\n\u003cp\u003eThe CJ78L09 is a fixed positive linear voltage regulator designed to deliver a steady \u003cstrong\u003e9V regulated output\u003c\/strong\u003e for low-current applications. Its compact SOT-89 footprint makes it perfect for PCB designs where space is at a premium. With a ±3% regulation accuracy, it ensures dependable performance in signal processing, sensor circuits, microcontroller power supplies, and more.\u003c\/p\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLow-power embedded systems and microcontroller boards\u003c\/li\u003e\n  \u003cli\u003eSensor and signal conditioning circuits\u003c\/li\u003e\n  \u003cli\u003eDIY electronics and prototyping projects\u003c\/li\u003e\n  \u003cli\u003eBattery-powered devices requiring stable 9V rails\u003c\/li\u003e\n  \u003cli\u003eConsumer electronics and IoT modules\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e10 × CJ78L09 SOT-89 Linear Voltage Regulator ICs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eLooking for more tools and components for your DIY electronics projects? Check out our \u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge – DIY Tool\u003c\/a\u003e or the \u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e to complete your workshop setup.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What output voltage does the CJ78L09 linear voltage regulator provide?\u003c\/h4\u003e\n\u003cp\u003eA: The CJ78L09 delivers a fixed \u003cstrong\u003e9V regulated output voltage\u003c\/strong\u003e with ±3% accuracy, making it suitable for stable, low-current 9V power supply rails in a wide range of electronic circuits.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What package type is the CJ78L09 and is it suitable for PCB mounting?\u003c\/h4\u003e\n\u003cp\u003eA: The CJ78L09 comes in the \u003cstrong\u003eSOT-89 surface-mount package\u003c\/strong\u003e, which is well-suited for compact PCB designs. It can be soldered directly onto a printed circuit board, making it ideal for both prototype and production-level applications.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How many ICs are included in this listing?\u003c\/h4\u003e\n\u003cp\u003eA: This listing includes \u003cstrong\u003e10 pieces\u003c\/strong\u003e of the CJ78L09 SOT-89 linear voltage regulator IC, providing great value for ongoing projects, repairs, or stocking your components inventory.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the maximum output current of the CJ78L09?\u003c\/h4\u003e\n\u003cp\u003eA: The CJ78L09 supports a maximum output current of \u003cstrong\u003e0.1A (100mA)\u003c\/strong\u003e with a maximum power dissipation of 0.5W, making it best suited for low-power circuit applications.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What output voltage does the CJ78L09 linear voltage regulator provide?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The CJ78L09 delivers a fixed 9V regulated output voltage with ±3% accuracy, making it suitable for stable, low-current 9V power supply rails in a wide range of electronic circuits.\"}}, {\"@type\": \"Question\", \"name\": \"What package type is the CJ78L09 and is it suitable for PCB mounting?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The CJ78L09 comes in the SOT-89 surface-mount package, which is well-suited for compact PCB designs. 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