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Diode FR107: Key Specifications You Need to Know
    2024-10-16 10:00:56
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The FR107 diode, a widely used fast recovery diode, plays a pivotal role in the field of electronic engineering. Whether it's in power circuits, electrical appliances, communication devices, computer equipment, or lighting systems, the FR107, with its unique performance and specifications, has become an indispensable component in these devices. This article will delve into the key specifications of the FR107 diode, providing readers with a better understanding and application of this electronic component.

 

Package and Physical Dimensions

The FR107 diode adopts the DO-41 package, a common plug-in package type. The DO-41 package makes the FR107 easy to install and replace, suitable for use in various electronic devices. The FR107 has an outer diameter of 2.7mm, an external length/height of 5.2mm, and a pin count of 2. These dimensional specifications ensure that it occupies relatively little space on the circuit board, facilitating layout and wiring.

 

Current Parameters

The FR107 has a rated forward current (IO) of 1A, meaning it can safely pass a current of 1 ampere under normal conditions. Additionally, its surge current (IFSM) ranges from 25A to 30A (varying based on different sources), where surge current refers to the maximum current that the diode can withstand for a short period. This is crucial for handling instantaneous high-current loads. Furthermore, the leakage current (IR) of the FR107 is 5uA, which is the minute current that passes through the diode in its reverse blocking state. A low leakage current helps reduce power consumption and heat generation.

 

Voltage Parameters

The FR107 has a rated reverse voltage (VRRM) of 1000V, indicating it can operate normally with a reverse voltage not exceeding 1000V. Simultaneously, its reverse RMS voltage (URMS) is 700V, and the DC blocking voltage (UDC) is 1000V. These parameters ensure the stability and reliability of the FR107 in high-voltage applications. The forward voltage (VF) has a maximum value of 1.2V to 1.3V, which refers to the voltage drop across the diode in its forward conduction state. A low forward voltage helps reduce energy loss.

 

Recovery Time and Capacitance

The recovery time (Trr) of the FR107 is a maximum of 500ns. Recovery time refers to the time required for the diode to transition from its reverse blocking state to full conduction. A shorter recovery time makes the FR107 excel in high-frequency applications. Additionally, the FR107 has a relatively small reverse capacitance, which helps reduce energy loss and noise during switching.

 

Temperature Characteristics

The operating temperature range of the FR107 is -55°C to 150°C, meaning it can function normally under various extreme temperature conditions. The high-temperature soldering guarantee is 250°C for 10 seconds, indicating that the FR107 can withstand high-temperature soldering operations during manufacturing without compromising its performance. Furthermore, the leads of the FR107 can withstand a tensile force of 5 pounds (2.3kg), ensuring reliability during installation and use.

 

Applications

The FR107 diode is widely used in various electronic devices. In power switch circuits, the FR107 is often used in inductor buffering circuits to reduce the temperature and voltage peaks of switching tubes. In transformer output circuits, the FR107 protects circuits with dual terminals and filters circuits with half-bridges. Additionally, the FR107 can be used in circuit protection, charging circuits, LCD power supplies, electronic flash cameras, Bluetooth devices, and other electronic equipment.

 

Price and Market

The price of the FR107 diode remains relatively stable, without significant fluctuations. Depending on market demand and inventory levels, the reference price for bulk purchases is approximately 0.04 yuan per piece, while the reference price for smaller quantities is 1 yuan per piece. The market demand for the FR107 is high, but available inventory meets market demand, making it a preferred choice for many electronic engineers and manufacturers.

 

Conclusion

The FR107 diode, with its unique performance and specifications, plays a significant role in the field of electronic engineering. Whether it's package and physical dimensions, current parameters, voltage parameters, recovery time and capacitance, temperature characteristics, applications, or price and market, the FR107 demonstrates superior performance and broad application prospects. By deeply understanding the key specifications of the FR107, we can better understand and apply this electronic component, providing better support for the design and manufacture of electronic devices.

 

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