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STR1550 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

STR1550 product

STR1550

Transistors - Bipolar (BJT) - Single

NPNHigh VoltageSOT-23Fast Switching

The STR1550 is a high-voltage NPN power transistor designed for fast switching in compact applications like LED drivers.

Best for

  • LED driving
  • Compact high-voltage switching

Avoid if

  • Applications requiring >0.5A continuous current
  • High-power dissipation environments exceeding 500mW

Check before use

  • Thermal design for SOT-23 package
  • PCB creepage distances for 500V operation

Key specifications

VCEO
500 V
IC
0.5 A
hFE
100-300

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

LED driving

Datasheet

STR1550-STMicroelectronics-datasheet-16349805.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for STR1550: 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 STR1550 is a high-voltage, fast-switching NPN power transistor from STMicroelectronics, housed in a miniature SOT-23 surface-mount package.