{"product_id":"max485csa-max485esa-sop-8-smd-rs485-transceiver-ic-20-pack","title":"20 Pack MAX485CSA MAX485ESA SOP-8 SMD RS-485 Transceiver ICs","description":"\u003ch2\u003eMAX485CSA \/ MAX485ESA SOP-8 SMD RS-485 Transceiver ICs – 20-Piece Pack\u003c\/h2\u003e\n\u003cp\u003eGet reliable, high-quality RS-485\/RS-422 communication with this 20-piece pack of \u003cstrong\u003eMAX485CSA (485C) and MAX485ESA (485E)\u003c\/strong\u003e low-power differential line transceivers in SOP-8 SMD packaging. These ICs are ideal for engineers, electronics hobbyists, and professionals who need dependable half-duplex data transmission components for their PCB designs, industrial controls, or DIY electronics projects.\u003c\/p\u003e\n\n\u003cp\u003eEach chip is brand new and designed to deliver stable, low-power performance across a wide range of applications — from microcontroller communication buses to industrial automation systems.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePack of 20 ICs\u003c\/strong\u003e — Great value for prototyping, production, or spare inventory\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible models:\u003c\/strong\u003e MAX485CSA (485C) and MAX485ESA (485E)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage type:\u003c\/strong\u003e SOP-8 (Small Outline Package, 8-pin) — SMD surface-mount\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eRS-485 \/ RS-422 half-duplex differential bus transceiver\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow quiescent current:\u003c\/strong\u003e Only 120µA typical — power-efficient design\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply voltage:\u003c\/strong\u003e Single 5V supply\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eData rate:\u003c\/strong\u003e Up to 2.5 Mbps\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUp to 32 transceivers\u003c\/strong\u003e can be connected to a single bus\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDriver output short-circuit protection\u003c\/strong\u003e for robust circuit safety\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFail-safe inputs\u003c\/strong\u003e — receiver output is HIGH when inputs are open or shorted\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e NioCen\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Brand new\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-concern chemical content:\u003c\/strong\u003e None\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eIndustrial RS-485 communication networks\u003c\/li\u003e\n  \u003cli\u003eMicrocontroller (MCU) serial communication buses\u003c\/li\u003e\n  \u003cli\u003ePLC and automation control systems\u003c\/li\u003e\n  \u003cli\u003eLong-distance differential data transmission\u003c\/li\u003e\n  \u003cli\u003eDIY electronics and PCB prototyping projects\u003c\/li\u003e\n  \u003cli\u003eModbus RTU networks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e20 × MAX485CSA \/ MAX485ESA SOP-8 SMD ICs (as labelled)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cp\u003eLooking for other electronics tools and accessories? Check out these popular items from our store:\u003c\/p\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 the MAX485CSA and MAX485ESA variants?\u003c\/h4\u003e\n\u003cp\u003eA: Both the MAX485CSA (485C) and MAX485ESA (485E) are low-power RS-485\/RS-422 half-duplex transceivers in SOP-8 SMD packages. The primary difference lies in their operating temperature range: the MAX485CSA is rated for the commercial temperature range (0°C to +70°C), while the MAX485ESA is rated for the extended industrial temperature range (−40°C to +85°C). Choose the 485E variant for outdoor or industrial environments with wider temperature swings.\u003c\/p\u003e\n\u003ch4\u003eQ: Are these ICs compatible with 3.3V microcontrollers?\u003c\/h4\u003e\n\u003cp\u003eA: The MAX485CSA and MAX485ESA are designed to operate from a single 5V supply. While they can interface with 3.3V systems with appropriate level-shifting circuitry, they are not natively 3.3V logic-compatible. For direct 3.3V operation, consider using a 3.3V-compatible RS-485 transceiver variant. Always review the datasheet for exact logic threshold levels before integrating into your design.\u003c\/p\u003e\n\u003ch4\u003eQ: How many devices can be connected on a single RS-485 bus using these ICs?\u003c\/h4\u003e\n\u003cp\u003eA: Each MAX485 transceiver has a unit load specification that allows up to 32 transceivers to be connected to a single RS-485 bus simultaneously. This makes them well-suited for multi-node industrial communication networks and Modbus RTU applications.\u003c\/p\u003e\n\u003ch4\u003eQ: What package type are these ICs, and are they suitable for surface-mount assembly?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, these ICs come in the SOP-8 (Small Outline Package, 8-pin) format, which is a standard SMD (Surface-Mount Device) package. They are fully compatible with standard SMD reflow soldering and hand-soldering techniques on PCBs.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the difference between the MAX485CSA and MAX485ESA variants?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Both the MAX485CSA (485C) and MAX485ESA (485E) are low-power RS-485\/RS-422 half-duplex transceivers in SOP-8 SMD packages. The primary difference lies in their operating temperature range: the MAX485CSA is rated for the commercial temperature range (0°C to +70°C), while the MAX485ESA is rated for the extended industrial temperature range (−40°C to +85°C). 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