Fast Diode – Hamtech Electronics Technologies https://hamtechtechnologies.com Thu, 18 Dec 2025 04:25:40 +0000 en-US hourly 1 https://wordpress.org/?v=7.0.2 https://hamtechtechnologies.com/wp-content/uploads/2025/11/h-100x100.webp Fast Diode – Hamtech Electronics Technologies https://hamtechtechnologies.com 32 32 1N4148 Diode https://hamtechtechnologies.com/product/1n4148-diode/ https://hamtechtechnologies.com/product/1n4148-diode/#respond Thu, 20 Nov 2025 19:52:05 +0000 https://hamtechtechnologies.com/index.php/product/1n4148-diode/ 1N4148 is a high-speed, general-purpose silicon switching diode used in digital circuits, signal processing, and protection applications.]]> The 1N4148 is a reliable, high-speed diode with fast switching capability, capable of operating in circuits requiring switching frequencies up to 100 MHz. It’s widely used in logic circuits, signal routing, and low-current rectification. Its compact DO-35 axial package and robust performance make it a common choice for both hobbyist and industrial electronics.

Key Features

  • Fast switching time (~4 ns)

  • Low forward voltage drop (~1V at 10 mA)

  • High reliability for general-purpose switching

  • Compact axial lead package

  • Suitable for digital and analog circuits

Variants

  • Standard 1N4148 Diode (axial lead)

  • 1N4148 SMD version for PCB assembly

Specifications

Feature Details
Maximum Repetitive Peak Reverse Voltage 100V
Maximum Forward Current 300 mA
Maximum Surge Current 2A (1 μs pulse)
Forward Voltage Drop 1V @ 10 mA
Reverse Recovery Time 4 ns
Package DO-35 Axial Lead / SMD
Operating Temperature -65°C to +175°C

Applications

  • Logic and digital switching circuits

  • High-speed signal processing

  • Pulse circuits

  • Polarity and over-voltage protection

  • Electronics hobby and prototyping

Compatible Boards / Circuits

  • Arduino / ESP32 signal routing circuits

  • Embedded electronics modules

  • Power supply signal conditioning

  • Robotics and automation electronics

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