1N4148 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

1N4148 product

1N4148

Diodes - Rectifiers - Single

Switching DiodeSmall SignalDO-35

The 1N4148 is a standard silicon epitaxial planar switching diode, widely used for general-purpose high-speed switching applications due to its fast 4ns recovery time.

Best for

  • High-speed switching
  • General-purpose signal rectification

Avoid if

  • High-power rectification applications exceeding 150mA
  • Applications requiring surface-mount (SMD) form factors

Check before use

  • Operating temperature range
  • Peak surge current limits

Key specifications

Max Reverse Voltage
100 V
Forward Current
150 mA
Reverse Recovery Time
4 ns

Compliance & Environment

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

Application

General Switching

CAD Models

Download ECAD models for 1N4148: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
Get Files
PCB Footprint
Land pattern for PCB layout
Get Files
3D Model
STEP file for mechanical design
Get Files
KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
Generate library

Where to Buy

Real-time and catalog pricing from verified distributors

Alternative components

3
PartDetailsMatch

LL4148 may suit an SMD redesign, but it is not proven pin-compatible with 1N4148.

Needs validation

Design and risk insights

Questions & answers

The 1N4148 is a small signal silicon switching diode housed in a DO-35 glass package, optimized for fast switching speeds in electronic circuits.