1N4148W-7-F Diodes DIODE GEN PURP 100V 300MA SOD123


The 1N4148W-7-F is a general-purpose diode manufactured by Diodes Incorporated. Here are the key specifications and details about this component:


Key Features:

  1. General-Purpose Diode: The 1N4148 is a widely used small-signal diode suitable for general-purpose applications in electronics.

  2. Voltage Rating (100V): This is the peak reverse voltage that the diode can withstand without breaking down.

  3. Current Rating (300mA): Indicates the maximum continuous forward current that the diode can safely handle.

  4. Package (SOD123): The SOD123 package is a small surface-mount package, ideal for space-constrained electronic designs.

Main Specifications and Common Uses:

  • Signal Rectification: Often used for signal rectification, switching, and clamp diode applications.

  • High-Speed Switching: Known for its fast switching characteristics, suitable for high-frequency applications.

  • Voltage Clamping: Provides voltage transient suppression and overvoltage protection in circuits.

  • General-Purpose Applications: Widely utilized in various electronic circuits for tasks like signal modulation, demodulation, or voltage limitation.

Working Principle:

  • The 1N4148 operates as a small-signal diode, conducting current primarily in one direction (forward bias) and blocking it in the reverse direction (reverse bias).

Typical Applications:

  • Signal Demodulation: Used in demodulation circuits to extract baseband information from modulated signals.

  • Signal Shaping: Employed in signal conditioning circuits for wave shaping or amplitude limiting.

  • Flyback Diode: Used as a flyback diode in inductive loads to suppress voltage spikes.

  • Voltage Regulation: Offers basic voltage regulation and voltage reference functions in electronic circuits.

Implementation Considerations:

  • Polarity: Ensure correct orientation when integrating the diode into the circuit as it is polarity-sensitive.

  • Current Limitation: Adhere to the specified current rating to prevent overheating and ensure reliability.

  • Voltage Ratings: Operate the diode within the defined voltage limits for safe operation.

  • Package and Mounting: Follow recommended mounting and handling guidelines for the SOD123 package.

Before incorporating the 1N4148W-7-F diode into your electronic circuit design, refer to the datasheet provided by Diodes Incorporated for comprehensive technical specifications, operational details, pinout information, and application guidelines to ensure optimal performance and reliability in your specific application.