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LL4148 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

LL4148 product

LL4148

Diodes - Rectifiers - Single

Fast SwitchingSilicon DiodeMiniMELFSignal Diode

The LL4148 is a widely used, high-speed silicon switching diode in a MiniMELF (LL-34) package, ideal for general-purpose signal switching and high-frequency applications.

Best for

  • Signal switching
  • High-frequency circuits
  • General rectification

Avoid if

  • High-current power applications (>200mA)
  • Applications requiring extreme mechanical shock resistance

Check before use

  • PCB footprint
  • Thermal dissipation requirements

Key specifications

Reverse Voltage
75 V
Forward Current
200 mA
Recovery Time
4 ns
Package
MiniMELF (LL-34)

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
REACH Unaffected
MSL
1 (Unlimited)
ECCN
-
HTSUS
8541.10.0000

Application

General SwitchingSignal Processing

Datasheet

SURC-S-A0002439693-1.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for LL4148: 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

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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 LL4148 is a silicon epitaxial planar fast switching diode, commonly used in signal processing and high-speed switching circuits.