1N4148-TAP: Silicon epitaxial planar diode, 100V VRRM, 300mA IF, DO-35 package
Vishay

The 1N4148-TAP from Vishay is a silicon epitaxial planar diode designed for fast switching applications. It is housed in a DO-35 package, making it suitable for through-hole mounting. This diode is characterized by its high-speed switching capabilities, with a maximum repetitive peak reverse voltage (VRRM) of 100V and a forward continuous current (IF) of 300mA. It is electrically equivalent to the 1N914 diode, offering flexibility in use across various designs.

The diode's fast switching speed makes it an ideal choice for high-frequency applications. Its small package size and high reliability are beneficial for compact electronic circuits. The 1N4148-TAP is also notable for its low forward voltage and reverse recovery time, ensuring efficient operation in circuits requiring rapid switching.

Key Specifications and Features

  • Package: DO-35 (DO-204AH)
  • Repetitive peak reverse voltage (VRRM): 100V
  • Forward continuous current (IF): 300mA
  • Peak forward surge current (IFSM): 2A
  • Power dissipation (Ptot): 500mW at TL ≤ 25 °C
  • Junction temperature (Tj): 175 °C
  • Reverse recovery time (trr): 4 ns
  • Diode capacitance (CD): 4 pF

1N4148-TAP Datasheet

1N4148-TAP datasheet (PDF)

1N4148-TAP Substitutes
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Applications

  • High-frequency switching circuits
  • Signal processing
  • Rectification in compact electronic devices

Category

Diode

General information

Diodes are semiconductor devices that allow current to flow in one direction while blocking it in the opposite direction, making them essential components in various electronic circuits. They are widely used for rectification, signal modulation, protection circuits, and power conversion. When selecting a diode, it is important to consider parameters such as forward voltage drop, reverse recovery time, maximum current capacity, and package type, as these factors directly affect the performance and efficiency of the circuit.

The 1N4148-TAP is a small signal fast switching diode, known for its high-speed switching capabilities. It is designed to operate efficiently in circuits that require fast switching actions, such as signal processing and high-frequency rectification. The diode's low forward voltage drop and fast reverse recovery time make it suitable for applications where power efficiency and speed are critical.

In terms of packaging, the DO-35 package of the 1N4148-TAP allows for through-hole mounting, which is advantageous for prototyping and applications requiring mechanical robustness. Engineers should also consider the diode's thermal characteristics and ensure that the device operates within its specified temperature range to prevent premature failure.

Overall, the 1N4148-TAP diode is a versatile component that can be used in a wide range of applications. Its electrical and thermal properties, combined with its package type, make it a reliable choice for engineers looking to incorporate fast switching capabilities into their designs.

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