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RB491D AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

RB491D product

RB491D

Diodes - Rectifiers - Single

SchottkyDiodeSOT-231A

The RB491D is a 20V, 1A Schottky barrier diode in an SOT-23 package, suitable for general-purpose rectification and surface-mount applications requiring low forward voltage.

Best for

  • General-purpose rectification
  • Low-voltage power management
  • Surface-mount PCB designs

Avoid if

  • Applications exceeding 20V reverse voltage
  • High-temperature environments exceeding 150°C

Check before use

  • Thermal dissipation requirements
  • Reverse leakage current at operating temperature

Key specifications

Reverse Voltage
20 V
Forward Current
1 A
Forward Voltage
0.45 V

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
REACH Unaffected
MSL
1 (Unlimited)
ECCN
EAR99
HTSUS
8541.10.0080

Application

General Power

CAD Models

Download ECAD models for RB491D: 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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Where to Buy

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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 RB491D is a Schottky barrier diode designed for surface-mount applications, featuring a 20V DC reverse voltage and a 1A mean rectifying current.