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PC817B AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

PC817B product

PC817B

Component

OptocouplerPhototransistorIsolation

The PC817B is a standard B-grade phototransistor optocoupler offering 5kV isolation and 80V breakdown voltage, widely used for signal isolation in industrial and power applications.

Best for

  • Industrial automation
  • Switching power supplies
  • Sensor interfaces

Avoid if

  • Applications requiring high-speed data transmission (limited to ~80kHz)

Check before use

  • CTR grade compatibility
  • Isolation voltage requirements

Key specifications

Isolation Voltage
5000 Vrms
CTR (B-Grade)
130-260%
VCEO
80 V

Compliance & Environment

RoHS
Compliant
REACH
Compliant
MSL
1
ECCN
-
HTSUS
-

Application

Industrial AutomationPower Systems

Datasheet

3c5a75bde0e75b20cb0e9b776dd9d326.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for PC817B: 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

Real-time and catalog pricing from verified distributors

Live prices updated on demand · Catalog (~) prices may differ

Alternative components

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

Design and risk insights

Questions & answers

The PC817B is a phototransistor optocoupler that provides electrical isolation between input and output circuits using light, featuring a B-grade Current Transfer Ratio (CTR) of 130-260%.