Avalanche Diodes
Given the wide range of product categories and the continuous introduction of new products, the models in this list may not fully cover all options. We sincerely invite you to consult at any time for more detailed information.
Avalanche Diodes |
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Manufacturer | Package | Rectified Current | |
Forward Voltage (Vf@If) | Reverse Voltage (Vr) | Reverse Recovery Time (tr) | |
Diode Configuration | Reverse Leakage Current (Ir) | ||
Avalanche Diodes are a specialized type of diode that operates in the reverse breakdown region. When the reverse voltage increases to a certain level, the reverse current abruptly increases, a phenomenon known as the avalanche multiplication effect. Diodes leveraging this effect are called avalanche diodes. Avalanche diodes typically feature high reverse breakdown voltage and fast response speeds, making them widely used in electronic circuits requiring high frequency, high speed, large current, and high sensitivity.
Characteristics of Avalanche Diodes:
High Reverse Breakdown Voltage: Capable of enduring high reverse voltages without breaking down.
Rapid Response: Under the avalanche multiplication effect, the reverse current surges rapidly, ensuring swift responsiveness.
High Sensitivity: Demonstrates heightened sensitivity to minute signal variations.
Application Areas:
High-Frequency Circuits: Avalanche diodes' high-frequency characteristics make them crucial components in high-frequency circuits, such as oscillators and mixers.
Microwave Circuits: Employed in microwave communication, radar systems, etc., for signal detection and amplification.
Photodetection: As optical receivers, they detect feeble light signals and convert them into electrical signals, essential in optical communications and photoelectric measurements.
High-Speed Switching: Leveraging their fast response, avalanche diodes function as high-speed switching elements crucial in digital and pulse circuits.
Purchasing and Considerations:
When selecting avalanche diodes, it's essential to consider their reverse breakdown voltage, response speed, and sensitivity to meet specific circuit requirements. Additionally, note the following:
Package Types: Avalanche diodes come in various packages, such as through-hole and surface-mount, choosing based on the circuit board's layout and installation requirements.
Operating Temperature Range: Ensure the chosen diode operates seamlessly within the working environment, unaffected by temperature fluctuations.
Quality Certifications: Opt for brands and suppliers with quality certifications and a solid reputation to guarantee product quality and reliability.