Vishay Silicon Junction 2-Pin Surface Mount MiniMELF Diode LL4148-GS18 100 V 300 mA 500 mW AEC-Q101

Vishay LL4148-GS18 Silicon Junction diode is a 2-Pin surface mount device housed in a MiniMELF package. It is designed for high voltage rectification and fast switching applications with a maximum forward current of 300 mA and voltage rating of 100 V. Its glass passivated junction ensures a cavity-free construction providing enhanced reliability and low leakage current typically less than 0.2 μA.

This diode features a superectifier structure and offers fast switching with a peak reverse recovery time of only 8 nanoseconds, making it suitable for dynamic electronic circuits such as CRT high voltage grids and snubber circuits in camera flashes. It supports high forward surge currents up to 2 A and maintains maximum power dissipation of 500 mW under typical operation.

The device operates safely within a temperature range from -65 °C up to 175 °C, making it suitable for automotive-level performance as qualified to AEC-Q101 standards. Its terminals are matte tin plated leads compliant with soldering standards J-STD-002 and JESD 22-B102, ensuring excellent solderability and mechanical robustness. Polarity indication is marked by a color band denoting the cathode end.

The LL4148-GS18 diode is encapsulated in a molded epoxy over glass body meeting UL 94 V-0 flammability rating, providing protection against harsh environmental conditions. The compact dimensions of 3.7 mm length by 1.6 mm diameter fit well in tight PCB layouts for industrial, automotive, and consumer electronic applications.

Glass passivated junction with cavity-free construction for reliability and low leakage current. Fast switching with 8 ns peak reverse recovery time for high frequency applications. Rated for 100 V peak repetitive reverse voltage and 300 mA forward current.

Automotive qualification AEC-Q101 for enhanced durability. Compact MiniMELF surface mount package. Molded epoxy body with UL 94 V-0 flammability rating. Matte tin plated leads for robust solderability.

This Vishay diode is suitable for use in electronic components, power supplies, Discrete Semiconductor applications in construction, automotive, industrial, and laboratory electronics. It is a reliable choice for switching diode requirements with superior electrical characteristics and mechanical integrity.

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