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On Nov 17, 2025


1N4148W Small Signal Switching Diodes by Diotec – High-Speed Switching Diode for Precision Electronic Applications

The Small Signal Switching Diodes 1N4148W by Diotec are widely used high-speed switching diodes designed for fast signal processing and reliable low-current switching operations. As part of the Semiconductors, Discrete Semiconductors, Diodes & Rectifiers, Small Signal Switching Diodes family, the 1N4148W offers excellent switching speed, low capacitance, and consistent performance in compact electronic circuits.

Available now at www.xonelec.com with fast delivery worldwide.


Technical Specifications of 1N4148W

  • Manufacturer: Diotec

  • Part Number: 1N4148W

  • Category: Semiconductors, Discrete Semiconductors, Diodes & Rectifiers, Small Signal Switching Diodes

  • Reverse Voltage: 100V

  • Forward Current: 150mA

  • Reverse Recovery Time: 4ns (typ.)

  • Junction Capacitance: Low

  • Package: SOD-123

  • Polarity: Standard single diode

This diode is known for its outstanding high-speed switching response.


Key Features of 1N4148W

  • Ultra-fast switching response (4ns)

  • Low forward voltage drop

  • Low junction capacitance ideal for high-frequency circuits

  • Compact SOD-123 package

  • High reliability for digital and analog signal switching

  • Perfect choice among Small Signal Switching Diodes in the Semiconductors category

These features make the 1N4148W a workhorse in modern electronic designs.


Applications of 1N4148W

The 1N4148W Small Signal Switching Diodes by Diotec are widely used in:

  • High-speed switching circuits

  • Logic level shifting

  • RF and high-frequency signal processing

  • Digital & analog switching

  • Voltage clamping and waveform shaping circuits

  • General-purpose small-signal switching

A must-use component in compact electronic systems requiring dependable Small Signal Switching Diodes.


Wiring and Connection Overview

  • Standard single diode with fast recovery characteristics

  • SOD-123 SMT package, suitable for automated PCB assembly

  • Ideal for high-frequency layouts in Semiconductors circuits

Easy to integrate into surface-mount applications and space-constrained designs.


Use Case Scenario: High-Frequency Digital Switching

Problem: A designer needed a compact, ultra-fast diode for high-frequency digital switching.
Solution: The 1N4148W by Diotec offered a 4ns recovery time and low capacitance.
Result: Improved signal accuracy, reduced distortion, and high reliability throughout the system.

This demonstrates why engineers rely on the 1N4148W in critical Discrete Semiconductors switching designs.


Download Datasheet for 1N4148W

The full technical datasheet for the 1N4148W is available for download via XON Electronics.


Also Available from Other Manufacturers

XON Electronics also offers equivalents from:

Bourne
Lite-On
YFSEMI
SMC Diode
Taiwan Semiconductor
CDIL
Taitron
etc.

These alternatives ensure wide compatibility for Diodes & Rectifiers and Small Signal Switching Diodes applications.


Why Buy 1N4148W from XON Electronics?

  • Trusted supplier of Semiconductors worldwide

  • Fast delivery to USA, India, Australia, Europe & more

  • High-quality Small Signal Switching Diodes from leading brands

  • Competitive pricing and bulk order support

  • Secure, reliable, and professional service

Purchase today from www.xonelec.com.


FAQs – 1N4148W Switching Diodes

Q1: Is 1N4148W suitable for high-speed switching?
Yes, with a 4ns recovery time, it is ideal for fast switching.

Q2: What is the forward current rating?
150mA.

Q3: What package does it come in?
SOD-123 SMT package.

Q4: Is it suitable for RF applications?
Yes, thanks to low capacitance and fast switching.

Q5: Where can I buy it globally?
At www.xonelec.com with global shipping.


Conclusion

The 1N4148W Small Signal Switching Diodes by Diotec offer ultra-fast performance, low capacitance, and robust reliability for a wide range of digital, analog, and RF switching applications. As part of the Semiconductors, Discrete Semiconductors, Diodes & Rectifiers, Small Signal Switching Diodes family, it is a top choice for compact and high-frequency circuit designs.

Order now from www.xonelec.com.


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