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Audio Transformers / Signal Transformers WE-LAN Transformer 1000BT 1/2 Port ETR


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Overview of 749020100A

The 749020100A is a high-speed silicon diode designed for various electronic applications. It features a fast response time and low forward voltage drop, making it suitable for high-frequency and high-efficiency circuits.


(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • K: Cathode
  • A: Anode

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the 749020100A diode for a visual representation.

Key Features

  • High-Speed Operation: The 749020100A diode offers fast response times, suitable for high-frequency applications.
  • Low Forward Voltage Drop: With a low forward voltage, this diode minimizes power loss and heat generation in circuits.
  • High Efficiency: This diode contributes to high-efficiency circuit designs, making it ideal for power electronics applications.
  • Compact Package: Available in a space-saving and thermally efficient package for easy integration into circuits.

Note: For detailed technical specifications, please refer to the 749020100A datasheet.


  • Switching Power Supplies: Ideal for use in high-frequency switching power supply circuits for efficient power conversion.
  • Rectification: Suitable for rectifying AC voltage to DC in various electronic circuits and power supplies.
  • Signal Demodulation: Can be used in demodulation circuits for extracting modulating signals from carrier waves.


The 749020100A diode is designed for high-speed rectification and signal demodulation, providing efficient and reliable operation in electronic circuits.

Usage Guide

  • Forward Voltage: Connect the anode (A) and the cathode (K) of the diode in the appropriate direction based on the circuit requirements.
  • Fast Switching: Utilize the fast response time of the diode for high-speed switching applications.

Frequently Asked Questions

Q: What is the maximum forward current rating for the 749020100A diode?
A: The 749020100A is rated for a maximum forward current of 1A, ensuring reliable performance in various circuits.

Q: Is the 749020100A suitable for high-frequency RF applications?
A: Yes, the 749020100A's high-speed operation makes it suitable for high-frequency RF applications requiring efficient rectification.


For similar functionalities, consider these alternatives to the 749020100A:

  • 1N4148: A general-purpose switching diode known for its high-speed operation and low forward voltage drop.
  • BAV99: This is a dual common-cathode switching diode with similar high-speed characteristics to the 749020100A.


The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category Audio Transformers / Signal Transformers RoHS Details
Product LAN Transformers Termination Style SMD/SMT
Inductance 350 uH Isolation Voltage 1500 Vrms
Minimum Operating Temperature - 40 C Maximum Operating Temperature + 105 C
Number of Channels Single Application LAN
Length 12.7 mm Width 9.5 mm
Height 3 mm Series WE-LAN
Brand Wurth Elektronik Core Material Ferrite
Product Type Audio & Signal Transformers Factory Pack Quantity 1200
Subcategory Transformers Unit Weight 0.016226 oz

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