LL4148 LL34 SOD80 Glass Diode – High-Speed Switching Diode

Product Description:

The LL4148 LL34 SOD80 Glass Diode is a high-speed switching diode widely used in signal processing, protection circuits, high-frequency switching, and general-purpose electronic designs. Known for its fast switching characteristics, low leakage current, and reliable performance, the LL4148 is a standard choice for engineers and PCB designers.

Encased in a compact LL34 (SOD-80) glass package, this diode offers excellent thermal stability, durability, and low capacitance—making it suitable for high-frequency applications and tight PCB layouts. Its consistent electrical performance ensures stable operation in analog and digital circuits.

Key Specifications:

• Diode Type: High-Speed Switching Diode

• Model: LL4148

• Package: LL34 / SOD-80 Glass

• Forward Current (IF): 150mA typical

• Peak Forward Current: Up to 450mA

• Reverse Voltage (VRRM): 100V

• Recovery Time: Fast switching (~4ns typical)

• Leakage Current: Low

• Mounting Type: Through-Hole (Mini-MELF) / SMD LL34

• Polarity: Glass package with clear polarity marking

Features:

• Ultra-fast switching time suitable for high-speed circuits

• Compact LL34 glass package for dense PCB layouts

• Low junction capacitance

• High reliability and long operational life

• Ideal for signal switching and protection applications

• Low leakage and stable performance

Applications:

• Signal processing circuits

• High-frequency switching

• Level shifting and clipping circuits

• Logic circuits and digital interfaces

• Power supplies and converters

• General-purpose switching applications

Package Includes:

1 × LL4148 LL34 SOD80 Glass Diode

Note: Image is for representation purpose only.