Description

The 1N4148 is a popular high-speed switching diode known for its fast response times, low forward voltage drop, and reliable performance in a wide range of electronic applications. It is widely used in digital and analog circuits, especially for switching, signal processing, and general-purpose rectification tasks.

Key Specifications:

• Type: Small-Signal Fast Switching Diode
• Maximum Average Forward Current (IF): 300mA
• Maximum Reverse Voltage (VR): 100V
• Forward Voltage Drop (VF): Typically 0.7V
• Reverse Recovery Time (trr): 4ns (typical)
• Package Type: DO-35 glass package (axial leads)
• Operating Temperature Range: -55°C to +150°C

Applications:

• Signal Switching
• High-Speed Switching Circuits
• Low-Power Rectification
• Digital Logic Circuits
• RF Circuits
• Protection Diodes in ICs
• Clipping and Clamping Circuits

Features:

• Fast Switching Speed:
• With a reverse recovery time of just 4ns, the 1N4148 is ideal for high-speed switching applications where quick response time is crucial.
• Low Forward Voltage Drop:
• The diode typically operates with a forward voltage drop of 0.7V, ensuring minimal power loss during operation.
• Compact Design:
• Its small form factor makes it suitable for use in space-constrained applications, such as surface-mount designs and small electronic devices.
• High Reliability:
• The 1N4148 is known for its durability and long-lasting performance in both consumer electronics and industrial applications.
• Versatile Use:
• Suitable for a wide variety of applications, including signal processing, switching, protection circuits, and as a general-purpose rectifier in low-power systems.

The 1N4148 diode is an essential component in modern electronics, known for its efficiency, reliability, and versatility. Whether for signal switching, circuit protection, or high-speed digital applications, the 1N4148 is a trusted choice for engineers, hobbyists, and manufacturers alike.