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QSD123 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

QSD123 product

QSD123

Optical Sensors - Phototransistors

PhototransistorInfrared880nm

The QSD123 is a standard NPN silicon phototransistor in a 5mm (T-1 3/4) radial package, optimized for 880nm infrared sensing with a narrow 24° reception angle.

Best for

  • Infrared sensing
  • Proximity detection

Avoid if

  • Applications requiring wide-angle light reception

Check before use

  • Optical alignment
  • Ambient light interference

Key specifications

Peak Wavelength
880 nm
Reception Angle
±12°
VCE Max
30 V

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
REACH Unaffected
MSL
Not Applicable
ECCN
EAR99
HTSUS
8541.49.7080

Application

Sensor

Datasheet

DSA3AE0000471.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for QSD123: 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 QSD123 is an NPN silicon phototransistor designed for infrared sensing applications, featuring a black epoxy package with a daylight filter.