20 Pack MAX485CSA MAX485ESA SOP-8 SMD RS-485 Transceiver ICs

$7.66 $8.85

MAX485CSA / MAX485ESA SOP-8 SMD RS-485 Transceiver ICs – 20-Piece Pack

Get reliable, high-quality RS-485/RS-422 communication with this 20-piece pack of MAX485CSA (485C) and MAX485ESA (485E) 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.

Each 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.

Made in Mainland China.

Key Features

Pack of 20 ICs — Great value for prototyping, production, or spare inventory
Compatible models: MAX485CSA (485C) and MAX485ESA (485E)
Package type: SOP-8 (Small Outline Package, 8-pin) — SMD surface-mount
RS-485 / RS-422 half-duplex differential bus transceiver
Low quiescent current: Only 120µA typical — power-efficient design
Supply voltage: Single 5V supply
Data rate: Up to 2.5 Mbps
Up to 32 transceivers can be connected to a single bus
Driver output short-circuit protection for robust circuit safety
Fail-safe inputs — receiver output is HIGH when inputs are open or shorted
Brand: NioCen
Condition: Brand new
High-concern chemical content: None

Typical Applications

Industrial RS-485 communication networks
Microcontroller (MCU) serial communication buses
PLC and automation control systems
Long-distance differential data transmission
DIY electronics and PCB prototyping projects
Modbus RTU networks

Package Contents

20 × MAX485CSA / MAX485ESA SOP-8 SMD ICs (as labelled)

Related Products You May Like

Looking for other electronics tools and accessories? Check out these popular items from our store:

Learn more: ENERGY STAR product efficiency guidance

Frequently Asked Questions

Q: What is the difference between the MAX485CSA and MAX485ESA variants?

A: 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.

Q: Are these ICs compatible with 3.3V microcontrollers?

A: 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.

Q: How many devices can be connected on a single RS-485 bus using these ICs?

A: 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.

Q: What package type are these ICs, and are they suitable for surface-mount assembly?

A: 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.