{"product_id":"10pcs-tlp521-2gb-tlp521-4gb-dip-optocoupler-ics-niocen","title":"10pcs TLP521-2GB TLP521-4GB DIP Optocoupler ICs – NioCen","description":"\n\u003ch2\u003eNioCen TLP521-2GB \u0026amp; TLP521-4GB DIP Optocoupler ICs – 10-Pack\u003c\/h2\u003e\n\u003cp\u003eUpgrade your electronics projects with this 10-piece lot of \u003cstrong\u003eTLP521-2GB and TLP521-4GB DIP optocoupler ICs\u003c\/strong\u003e from NioCen. These brand-new, high-quality photocouplers are designed for reliable electrical isolation between input and output circuits, making them ideal for signal transmission, noise reduction, and circuit protection in a wide range of applications.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGenuine New Components:\u003c\/strong\u003e Each IC is brand new and unused, ensuring full specification performance right out of the box.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual \u0026amp; Quad Channel Options:\u003c\/strong\u003e Includes both TLP521-2GB (dual channel) and TLP521-4GB (quad channel) configurations for flexible circuit design.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIP Package:\u003c\/strong\u003e Standard Dual In-line Package for easy breadboard prototyping and PCB soldering.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptocoupler Isolation:\u003c\/strong\u003e Provides reliable electrical isolation to protect sensitive components and eliminate ground loops.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Application Range:\u003c\/strong\u003e Suitable for microcontroller interfacing, relay driving, switching power supplies, industrial automation, and more.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e10 Pieces Per Lot:\u003c\/strong\u003e Great value bundle for hobbyists, engineers, and professional builders.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo High-Concern Chemicals:\u003c\/strong\u003e Compliant with safety standards — no high-concern chemicals used.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e NioCen\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Numbers:\u003c\/strong\u003e TLP521-2GB, TLP521-4GB\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e DIP (Dual In-line Package)\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 lot\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Concern Chemicals:\u003c\/strong\u003e None\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMade in:\u003c\/strong\u003e Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003eWhether you're an electronics hobbyist, a student working on a project, or a professional engineer sourcing components for a production run, this 10-pack of TLP521 optocouplers delivers excellent value and consistent performance. Compatible with Arduino, Raspberry Pi, PLCs, and custom PCB designs.\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\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 is the difference between TLP521-2GB and TLP521-4GB optocouplers?\u003c\/h4\u003e\n\u003cp\u003eA: The TLP521-2GB is a dual-channel optocoupler IC, meaning it contains two isolated input\/output channels in a single DIP package. The TLP521-4GB is a quad-channel version with four isolated channels. Both are part of the same TLP521 family and share similar electrical characteristics, but the 4GB variant offers more channels for more complex circuit designs.\u003c\/p\u003e\n\u003ch4\u003eQ: Are these TLP521 ICs compatible with Arduino and Raspberry Pi projects?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The TLP521-2GB and TLP521-4GB DIP optocouplers are widely used in microcontroller-based projects including Arduino and Raspberry Pi. They are excellent for isolating microcontroller GPIO pins from higher-voltage circuits such as relay modules, motor drivers, and industrial sensors.\u003c\/p\u003e\n\u003ch4\u003eQ: How many pieces are included in this lot?\u003c\/h4\u003e\n\u003cp\u003eA: This listing includes 10 pieces per lot. The pack may include a combination of TLP521-2GB and TLP521-4GB units — perfect for stocking up on essential optocoupler components for multiple projects.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the difference between TLP521-2GB and TLP521-4GB optocouplers?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The TLP521-2GB is a dual-channel optocoupler IC, meaning it contains two isolated input\/output channels in a single DIP package. The TLP521-4GB is a quad-channel version with four isolated channels. 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