onsemi

1N4148WT

1N4148WT Description

The 1N4148WT from onsemi is a high-performance small signal diode in a compact SOD-523 surface-mount package, designed for applications requiring fast switching and low leakage. With a maximum reverse voltage (Vr) of 75V and a forward voltage (Vf) of 1V at 10mA, it offers efficient rectification for low-power circuits. The diode features an ultra-fast reverse recovery time (trr) of 4ns, making it ideal for high-speed switching. Its low junction capacitance (5pF @ 0V, 1MHz) ensures minimal signal distortion in RF and high-frequency applications. Compliant with ROHS3 and REACH standards, it is environmentally friendly and suitable for modern electronics.

1N4148WT Features

• Fast Switching: 4ns reverse recovery time for high-speed applications.
• Low Leakage: Only 5µA @ 75V reverse leakage current enhances efficiency.
• Compact Design: SOD-523 package saves board space in dense layouts.
• Low Capacitance: 5pF @ 0V minimizes high-frequency signal loss.
• Wide Operating Range: Supports 200mA average rectified current (Io) and 75V reverse voltage.
• Reliability: MSL 1 (Unlimited) moisture sensitivity ensures long-term stability.
• Compliance: ROHS3, REACH, and EAR99 certified for global use.

1N4148WT Applications

• High-Speed Switching: Ideal for clipping, clamping, and protection circuits in digital systems.
• RF & Communication: Low capacitance suits mixers, detectors, and RF modulators.
• Power Management: Efficient rectification in DC-DC converters and voltage multipliers.
• Signal Processing: Used in ADC/DAC circuits, sample-and-hold modules, and logic gates.
• Portable Electronics: Compact size benefits wearables, IoT devices, and smartphones.

Conclusion of 1N4148WT

The 1N4148WT stands out as a versatile, high-speed small signal diode with low leakage, fast recovery, and minimal capacitance, making it a top choice for precision electronics. Its surface-mount SOD-523 package and robust compliance certifications ensure compatibility with modern manufacturing processes. Whether for RF, power management, or high-speed digital circuits, this diode delivers reliable performance in space-constrained designs.