GB491 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

GB491 product

GB491

Transceivers

RS-485RS-422TransceiverFull-Duplex

The GB491 is a robust 3.3V/5V full-duplex RS-485/RS-422 transceiver suitable for industrial communication networks requiring high ESD protection and high node counts.

Best for

  • Industrial automation
  • HVAC control systems
  • Multi-node communication networks

Avoid if

  • Applications requiring half-duplex communication without external logic

Check before use

  • Bus termination impedance matching

Key specifications

Data Rate
10 Mbps
ESD Protection
±15 kV
Max Nodes
256

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
3
ECCN
-
HTSUS
-

Application

Industrial ControlHVAC Systems

CAD Models

Download ECAD models for GB491: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
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Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

The GB491 is a full-duplex RS-485/RS-422 transceiver IC from NJGW, designed for high-speed data transmission up to 10Mbps.