General Introduction

The 1N4148WS-7-F is a surface mount silicon epitaxial planar diode manufactured by Diodes Incorporated. It is primarily designed for general purpose switching and high-speed switching applications.

Features

• Small Signal Switching: It is a small signal diode suitable for applications where the current is ≤200mA (Io). It can handle various switching speeds, making it versatile for different circuit requirements.
• High Reverse Voltage: The diode can withstand a maximum DC reverse voltage of 75V, providing reliable operation in circuits with different voltage levels.
• Low Forward Voltage Drop: The forward voltage (VF) is 1.25V at 150mA, which helps to reduce power consumption and ensure efficient signal transmission.
• Fast Switching Speed: With a reverse recovery time (trr) of 4ns, it can quickly switch between on and off states, enabling high-frequency switching applications.
• Low Reverse Leakage Current: The reverse leakage current is only 1μA at 75V, indicating good insulation performance when the diode is reverse-biased and minimizing power loss.
• Wide Temperature Range: The junction and storage temperature range is from -65°C to 150°C, allowing the diode to work stably in different environmental conditions.
• Environmentally Friendly: It is totally lead-free, fully RoHS compliant, halogen and antimony free, meeting environmental protection requirements.
• High Reliability: Qualified to AEC-Q101 standards, it is suitable for applications that require high reliability, such as in the automotive and industrial fields.

Technical Parameters

• Package: SC-76, SOD-323
• Mounting Type: Surface Mount
• Maximum Average Rectified Current (Io): 150mA
• Capacitance: 2pF @ 0V, 1MHz
• Pin Count: 2

Applications

• General Purpose Switching Circuits: It can be used in a wide variety of general purpose switching circuits, such as logic circuit signal switching, power supply circuit on-off control, etc.
• High-Speed Switching Applications: Due to its fast switching speed, it is suitable for high-speed digital circuits, communication circuits and other occasions that require high-frequency signal switching.
• Signal Clipping and Clamping Circuits: It can be used to construct signal clipping and clamping circuits to limit the amplitude of the signal and protect the subsequent circuit components.
• Power Supply Protection Circuits: In power supply circuits, it can prevent reverse current and voltage spikes, protecting the power supply and other circuit components from damage.