Introduction of 1N4148WT

Ⅰ. Product overview of 1N4148WT

The 1N4148WT is a small-signal switching diode designed for fast switching applications. It is widely used in general-purpose switching, signal processing, logic circuits, and protection applications where fast response and low power consumption are required.

Ⅱ. 1N4148WT Core parameter

Category: Discrete Semiconductor Products Diodes Rectifiers Single Diodes

Reverse Recovery Time (trr): 4 ns

Mfr: onsemi

Current - Reverse Leakage @ Vr: 5 µA @ 75 V

Packaging: Tape & Reel (TR) Cut Tape (CT) Digi-Reel®

Capacitance @ Vr, F: 5pF @ 0V, 1MHz

Part Status: Active

Mounting Type: Surface Mount

Technology: Standard

Package / Case: SC-79, SOD-523F

Voltage - DC Reverse (Vr) (Max): 75 V

Supplier Device Package: SOD-523F

Current - Average Rectified (Io): 200mA

Operating Temperature - Junction: -55°C ~ 150°C

Voltage - Forward (Vf) (Max) @ If: 1 V @ 10 mA

Base Product Number: 1N4148

Speed: Small Signal =< 200mA (Io), Any Speed                                                       

Ⅲ. 1N4148WT Main characteristics

Fast Switching: The 1N4148WT is designed for high-speed switching, allowing it to respond quickly to changes in the electrical signal.

Small-Signal Operation: It is designed for low-current signal-level applications rather than high-power rectification.

Compact Surface-Mount Package: The 1N4148WT uses a compact SOD-523 surface-mount package, making it suitable for high-density PCB layouts.

General-Purpose Switching: The diode can be used as a general-purpose switching element in many electronic circuits.

Ⅳ. 1N4148WT Application field

Logic Circuits: The 1N4148WT can be used in logic circuits for signal switching and isolation.

Signal Processing: It can be used in signal-processing circuits where fast diode switching is required.

Switching Circuits: The device can act as a switching element in low-current electronic circuits.

Pulse Circuits: Its fast switching characteristics make it suitable for pulse and waveform-related circuits.

Protection and Clamping: The diode can also be used in certain low-current protection and clamping circuits.

Ⅴ. Summary

The 1N4148WT is a compact high-speed small-signal switching diode designed for general-purpose electronic switching and signal-processing applications. Its fast response and small surface-mount package make it a practical choice for compact digital and electronic circuits.