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1N4448 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

1N4448 product

1N4448

Diodes - Rectifiers - Single

Small Signal DiodeSwitching Diode

The 1N4448 is a reliable, high-speed small signal diode suitable for general-purpose switching applications.

Best for

  • General purpose switching
  • Signal rectification

Avoid if

  • High power rectification
  • Surface mount requirements (use SOD-80 version)

Check before use

  • Polarity marking
  • Thermal derating

Key specifications

Max Reverse Voltage
100 V
Max Forward Current
200 mA
Reverse Recovery Time
4.0 ns

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
REACH Unaffected
MSL
Not Applicable
ECCN
EAR99
HTSUS
8541.10.0070

Application

General Purpose

Datasheet

Fairchild-Semiconductor-company-11.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for 1N4448: 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 1N4448 is a standard small signal diode in a DO-35 axial package, widely used for general-purpose switching.