1N4148W-7-F (In Stock:341550)

1N4148W-7-F High-Speed Switching Diode – Overview & Application Guide

The 1N4148W-7-F is a high-speed switching diode manufactured by Diodes Incorporated, known for its fast recovery time and small SOD-123 package. This surface-mount device is widely used in signal processing, protection circuits, and digital logic systems. With its robust construction and compact form factor, it is ideal for applications requiring fast switching and high reliability in space-constrained designs.

✅ Datasheet

Download the official datasheet here: 1N4148W-7-F Datasheet (PDF)

✅ Features

• High switching speed – 4ns reverse recovery time
• Maximum reverse voltage: 100V
• Low reverse leakage current: 1μA @ 100V
• Compact SOD-123 surface-mount package
• RoHS compliant and halogen free
• Operating temperature: -55°C to +150°C

✅ Specifications

Parameter	Value
Manufacturer	Diodes Incorporated
Part Status	Active
Technology	Standard
Reverse Voltage (Max)	100 V
Average Rectified Current	300 mA
Forward Voltage @150mA	1.25 V
Reverse Recovery Time	4 ns
Reverse Leakage @100V	1 µA
Capacitance	2pF @ 0V, 1MHz
Mounting Type	Surface Mount
Package	SOD-123
Operating Temperature	-55°C to +150°C
Base Part Number	1N4148

✅ Application Scenarios

• High-speed switching in logic and digital circuits
• Voltage clamping and signal conditioning
• Protection circuits in communication systems
• Pulse shaping in analog applications
• General-purpose rectification in portable devices

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✅ ✅ ✅ Frequently Asked Questions (FAQ)

• Q: What is the difference between 1N4148 and 1N4148W-7-F?
  A: Functionally similar, the “W” variant is SMD (SOD-123 package), while the original 1N4148 is usually DO-35 through-hole.
• Q: Is 1N4148W-7-F suitable for high-speed digital circuits?
  A: Yes, with a 4ns recovery time, it is ideal for fast switching applications.
• Q: Can I use it in voltage protection circuits?
  A: Absolutely. It’s commonly used in clamping and voltage-limiting circuits due to its fast switching nature.

✅ Summary

The 1N4148W-7-F remains one of the most widely used small signal switching diodes, thanks to its speed, low leakage, and compact design. It serves as a reliable choice for both commercial and industrial applications. For engineers looking for a trusted component with solid electrical performance and wide availability, the 1N4148W-7-F is a cost-effective and proven solution.