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2SD1781 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

2SD1781 product

2SD1781

Transistors - Bipolar (BJT) - Single

NPNBJTSOT-23Transistor

The 2SD1781 is a general-purpose NPN transistor in a SOT-23 package, suitable for low-saturation switching applications.

Best for

  • General purpose switching
  • Low-voltage power management

Avoid if

  • New designs requiring long-term availability
  • High-power dissipation applications

Check before use

  • Verify current lifecycle status
  • Check pinout compatibility

Key specifications

VCEO
32 V
IC
800 mA
VCE(sat)
0.4 V
fT
150 MHz

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
1 (Unlimited)
ECCN
-
HTSUS
-

Application

General Switching

Datasheet

95f5a413343f65f7223d65dc19561f40_2311271011_Jiangsu-Changjing-Electronics-Technology-Co---Ltd--2SD1781_C19267722.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for 2SD1781: 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
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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 2SD1781 is an NPN bipolar junction transistor (BJT) designed for surface-mount applications, featuring low collector-emitter saturation voltage.