Shopping Cart

Product Description (Detailed):

Unlock rapid signal processing and reliable circuit protection with our high-performance 1N4148 Switching Diode. While often mistakenly referred to as a Zener diode in some casual contexts, the 1N4148 is, in fact, a cornerstone small-signal, ultra-fast switching diode, indispensable for a myriad of electronic applications. Its primary distinguishing feature is an incredibly short reverse recovery time (typically 4ns), making it ideal for high-frequency switching operations up to approximately 100 MHz.

This versatile silicon diode is designed to quickly transition between its conducting (forward-biased) and non-conducting (reverse-biased) states. This rapid response is critical in applications like pulse circuits, high-speed digital logic, signal rectification, and signal clamping, where minimizing signal distortion and maximizing efficiency are paramount. The 1N4148 is capable of handling up to 100V of repetitive peak reverse voltage and a continuous forward current of 150mA, with a power dissipation rating of 1/2W (500mW). Its compact DO-35 glass axial package allows for easy through-hole mounting on printed circuit boards and breadboards, making it a favorite for prototyping and production alike.

Commonly used to protect sensitive components from voltage spikes, perform signal mixing, and in various timing circuits, the 1N4148 switching diode is a fundamental building block for any electronics enthusiast or professional. Its reliability, cost-effectiveness, and widespread availability in Pune and across India make it a go-to choice for ensuring signal integrity and robust performance in your circuits. Don't compromise on speed and precision – integrate the dependable 1N4148 Fast Switching Diode into your next electronic design.

The 1N4148 SOD-80 diode is a fast-switching, general-purpose silicon signal diode housed in a compact surface-mount SOD-80 package. It’s designed to provide high-speed switching performance with minimal power loss, making it perfect for space-constrained SMT PCB designs.

Widely used in logic gate protection, analog switching, flyback circuits, and reverse polarity protection, the 1N4148 is reliable and widely supported by Arduino and embedded systems.

The SOD-80 form factor supports high-density PCB layouts and is suitable for automated SMT assembly processes.

Key Features:

• Fast switching diode with ~4ns recovery time

• Compact SOD-80 (DO-213AA) surface mount package

• Max forward current: 300mA, reverse voltage: 100V

• Ideal for SMT PCBs, Arduino, and digital signal switching

• Compatible with automated pick & place and reflow soldering

• Commonly used for flyback protection, logic circuits, and low-power rectification

Technical Specifications:

How to Use:

1. Anode (non-marked end) connects to positive voltage.

2. Cathode (marked end) connects to load or return.

3. Solder onto SMD pads using reflow or hot air soldering.

Used in logic level signal routing, clamping, and reverse polarity protection for SMD designs.

Applications:

• Surface-mount flyback diode across inductive loads

• Signal routing and rectification in compact logic boards

• Over-voltage or reverse polarity protection

• High-speed switching in RF and analog signal circuits

• SMT-based Arduino, STM32, or ESP32 projects

Package Includes:

• 1 × 1N4148 SOD-80 Switching Diodes