Andrew
Andrew Content Marketer
On Jan 16, 2026

UF4004 Diodes – General Purpose, Power, Switching by LGE

The Diodes – General Purpose, Power, Switching UF4004 by LGE are fast-recovery rectifier diodes designed for efficient power conversion, signal switching, and protection circuits. These components are widely applied across Semiconductors, Discrete Semiconductors, Diodes & Rectifiers, Diodes - General Purpose, Power, Switching where reliability, low switching loss, and stable performance are essential.

In this blog, we explore specifications, key features, applications, installation tips, and trusted sourcing from www.xonelec.com, also known as x-on electronics and xon electronics.


Technical Specifications of UF4004 Diodes

Manufacturer Details

  • Manufacturer: LGE

  • Part Number: UF4004

  • Product Type: Ultra-Fast Recovery Rectifier Diode

  • Category: Semiconductors, Discrete Semiconductors, Diodes & Rectifiers, Diodes - General Purpose, Power, Switching

Electrical Characteristics

  • Reverse Voltage (VRRM): High voltage capability for power circuits

  • Average Forward Current (IF): Supports continuous current handling

  • Reverse Recovery Time: Ultra-fast switching for efficiency

  • Forward Voltage Drop: Low conduction loss

Mechanical & Compliance

  • Package Type: DO-41 Axial

  • Mounting: Through-hole

  • Compliance: RoHS compliant

These characteristics ensure dependable performance in demanding designs.


Key Features of UF4004 Diodes

Fast Switching Performance

  • Ultra-fast recovery minimizes switching losses

  • Improves system efficiency

High Reliability

  • Stable electrical behavior under load

  • Long operational lifespan

Thermal Stability

  • Efficient heat dissipation

  • Supports continuous operation

Easy Integration

  • Standard axial package

  • Simple PCB assembly

These benefits make UF4004 ideal for Semiconductors, Discrete Semiconductors, Diodes & Rectifiers, Diodes - General Purpose, Power, Switching applications.


Applications of UF4004 Diodes

Power Supplies

  • Rectification stages

  • SMPS output protection

Switching Circuits

  • Freewheeling diode applications

  • Snubber circuits

Consumer Electronics

  • Adapters and chargers

  • Audio power stages

Industrial Equipment

  • Motor drives

  • Control power modules

These use cases highlight versatility across Semiconductors, Discrete Semiconductors, Diodes & Rectifiers, Diodes - General Purpose, Power, Switching.


Installation & Usage Guidelines

PCB Assembly

  • Maintain correct polarity during mounting

  • Ensure adequate solder joint quality

Thermal Considerations

  • Allow airflow for heat dissipation

  • Avoid excessive current stress

Electrical Design

  • Verify voltage margins

  • Use proper snubber circuits if needed

Reliability Practices

  • Prevent reverse polarity damage

  • Follow derating guidelines

Proper installation improves longevity and performance.


Use Case Scenario: Efficient Power Adapter Design

Project Requirement

A compact power adapter required fast rectification with minimal switching losses.

Challenge

Conventional diodes generated excess heat and reduced efficiency.

Implemented Solution

UF4004 Diodes were integrated into the rectifier stage.

Final Result

  • Improved efficiency

  • Reduced thermal stress

  • Increased product reliability

This confirms effectiveness in Semiconductors, Discrete Semiconductors, Diodes & Rectifiers, Diodes - General Purpose, Power, Switching solutions.


Download Datasheet for UF4004

For electrical ratings, recovery curves, package dimensions, and thermal data, refer to the official LGE datasheet.

Download Datasheet for UF4004


Why Buy from Xon Electronics?

Purchase genuine components from www.xonelec.com, also known as x-on electronics and xon electronics, with dependable worldwide delivery.

Buyer Benefits

  • Authentic inventory sourcing

  • Global shipping availability

  • Competitive pricing

  • Secure online payments

  • Technical product support

This ensures easy access to Semiconductors, Discrete Semiconductors, Diodes & Rectifiers, Diodes - General Purpose, Power, Switching globally.


Conclusion

The UF4004 Diodes – General Purpose, Power, Switching by LGE provide fast recovery, low losses, and robust reliability for modern electronic systems. Ideal for power supplies, switching circuits, and protection designs, they deliver consistent long-term performance.


FAQs – UF4004 Diodes by LGE

What type of diode is UF4004?

It is an ultra-fast recovery rectifier diode.

Is it suitable for switching applications?

Yes, its fast recovery supports high-frequency switching.

Can it handle power rectification?

Yes, it is designed for power and general-purpose rectification.

What package does it use?

It comes in a DO-41 through-hole package.

Where can it be purchased online?

Available from authorized distributors including Xon Electronics.




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