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On Nov 17, 2025


1N4148WS Small Signal Switching Diodes by ON Semiconductor – Fast, Reliable Signal Switching for Modern Electronics

The Small Signal Switching Diodes 1N4148WS by ON Semiconductor are high-speed, ultra-reliable switching diodes widely used across communication, consumer, industrial, and general-purpose electronics. As part of the Semiconductors, Discrete Semiconductors, Diodes & Rectifiers, Small Signal Switching Diodes category, the 1N4148WS offers exceptional performance in compact devices where speed and stability are essential.

Available globally at XON Electronics (www.xonelec.com) with fast shipping.


Technical Specifications of 1N4148WS

  • Manufacturer: ON Semiconductor

  • Part Number: 1N4148WS

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

  • Reverse Voltage: 75V

  • Forward Current: 150mA

  • Reverse Recovery Time: 4ns (typical)

  • Package: SOD-323 (miniature SMT)

  • Power Dissipation: 200mW

  • Operating Temperature: -55°C to +150°C

This diode is engineered for high-speed signal switching in low-power digital and analog circuits.


Key Features of 1N4148WS

  • Ultra-fast switching capability (4ns reverse recovery)

  • High reliability and low leakage current

  • Compact SOD-323 package ideal for dense PCB layouts

  • Stable performance across wide temperature ranges

  • Suitable for all Small Signal Switching Diodes applications

  • A proven choice within the Semiconductors, Discrete Semiconductors, and Diodes & Rectifiers families


Applications of 1N4148WS

This diode is commonly used in:

  • High-speed digital switching circuits

  • Signal processing and logic systems

  • RF applications

  • Protection circuits in analog devices

  • Consumer electronics such as audio, sensors & communications

  • Power supply switching and waveform shaping

It is one of the most widely used Small Signal Switching Diodes in modern electronics.


Wiring and Connection Overview

  • SOD-323 miniature SMT package makes PCB routing simple

  • Surface-mount design ideal for automated assembly

  • Single, unidirectional diode configuration

Perfect for compact, fast-switching Small Signal Switching Diodes designs.


Use Case Example: High-Speed Logic Signal Switching

A telecom device required ultra-fast signal routing with minimal propagation delay. Engineers integrated the 1N4148WS by ON Semiconductor, resulting in:

  • Faster logic response

  • Improved signal quality

  • Reduced PCB space usage

Its compact package and quick switching speed made it the ideal fit.


Download 1N4148WS Datasheet

Engineers can download the official datasheet on XON Electronics for complete graphs, test conditions, and design parameters.


Also Available from Other Manufacturers

Equivalent Small Signal Switching Diodes are available from:

These ensure wide compatibility and multiple sourcing options.


Why Buy from XON Electronics?

  • Genuine ON Semiconductor components

  • Global shipping to USA, India, Australia, Europe, and more

  • Competitive prices and bulk order support

  • Reliable sourcing for essential Semiconductors and Small Signal Switching Diodes

  • Dedicated customer support

Order now at www.xonelec.com.


FAQs – 1N4148WS Small Signal Switching Diodes

Q1: What makes the 1N4148WS popular?
Fast recovery and high reliability.

Q2: Is it suitable for RF circuits?
Yes, due to its fast switching speed.

Q3: What is the package type?
SOD-323 SMT package.

Q4: Can it be used for logic switching?
Absolutely, ideal for high-speed signal routing.

Q5: Does it replace standard 1N4148?
Yes, it is the SMD miniature equivalent.


Conclusion

The 1N4148WS Small Signal Switching Diodes by ON Semiconductor deliver superior speed, reliability, and compactness for modern electronic designs. As a leading component in Semiconductors, Discrete Semiconductors, Diodes & Rectifiers, Small Signal Switching Diodes, it is the perfect choice for engineers seeking performance and efficiency.

Purchase your 1N4148WS today from XON Electronics.


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