1N4148WT SOD523 (0603) High-Speed Switching Diode – SMD

Product Description:

The 1N4148 / 1N4148WT SMD Switching Diode in the SOD523 (0603) package is an ultra-compact, high-speed signal diode designed for fast switching, low leakage, and precision signal processing. As a miniaturized SMD version of the classic 1N4148, the 1N4148WT offers excellent electrical performance while occupying minimal PCB space—perfect for modern high-density electronic designs.

It features fast reverse recovery, low capacitance, and stable operation, making it ideal for RF circuits, digital logic switching, protection circuits, waveform shaping, and general-purpose high-frequency signal routing. The tiny SOD523 package ensures optimum integration in compact and portable devices.

Key Specifications:

• Diode Type: High-Speed Switching Diode

• Model: 1N4148WT

• Package: SOD523 (0603) – Ultra-compact SMD

• Forward Current (IF): 150–200mA

• Peak Forward Current: Up to 500mA

• Reverse Voltage (VR): 75–100V

• Reverse Recovery Time: ~4ns (very fast)

• Leakage Current: Very low

• Capacitance: Low for fast signal performance

• Mounting Type: SMD

Features:

• Ultra-fast switching speed for high-frequency circuits

• Miniature SOD523 package ideal for compact PCBs

• Low capacitance and low leakage for precision electronics

• Excellent thermal and electrical stability

• Suitable replacement for through-hole 1N4148 in SMD designs

• Perfect for automated SMT manufacturing

Applications:

• High-frequency switching

• RF and communication circuits

• Signal routing and level shifting

• Voltage protection and clamping

• Precision analog and digital circuits

• Compact portable devices

• General-purpose switching

Package Includes:

1 × 1N4148WT SOD523 (0603) High-Speed Switching Diode

Note: Image is for representation purpose only.