BAS21LT1G Diodes - Rectifiers - Single by ON Semiconductor

The BAS21LT1G is a small-signal diode manufactured by ON Semiconductor, designed for various applications in electronic circuits. Here’s a detailed description of its key features and specifications:

General Description:

The BAS21LT1G is a high-speed switching diode that is particularly suited for low-voltage and high-speed applications. It is commonly used in signal processing, clamping, and rectification tasks within electronic circuits. The diode is housed in a compact SOT-23 package, which makes it ideal for space-constrained applications.

Key Features:

• Package Type: SOT-23, a surface-mount package that allows for efficient use of PCB space and facilitates automated assembly processes.
• Maximum Reverse Voltage (VR): The BAS21LT1G has a maximum reverse voltage rating of 60V, making it suitable for a variety of applications where voltage spikes may occur.
• Forward Current (IF): The diode can handle a maximum forward current of 200mA, allowing it to be used in applications that require moderate current handling.
• Forward Voltage Drop (VF): The typical forward voltage drop is around 0.7V at a forward current of 10mA, which is relatively low, contributing to higher efficiency in circuits.
• Reverse Recovery Time (trr): The diode features a fast reverse recovery time, typically around 4ns, which is beneficial for high-speed switching applications.
• Operating Temperature Range: The BAS21LT1G operates effectively over a temperature range of -55°C to +150°C, making it suitable for use in various environmental conditions.

Applications:

The BAS21LT1G is widely used in:

• Signal Clamping: Protecting sensitive components from voltage spikes.
• Switching Circuits: Fast switching applications in digital circuits.
• Rectification: Converting AC signals to DC in low-power applications.
• Level Shifting: Adjusting signal levels in mixed-voltage systems.

Electrical Characteristics:

• Capacitance (C): The junction capacitance is typically low, around 3pF, which helps maintain signal integrity in high-frequency applications.
• Leakage Current (IR): The reverse leakage current is minimal, typically around 1µA at 25°C, ensuring low power loss during operation.

Conclusion:

The BAS21LT1G from ON Semiconductor is a versatile and efficient small-signal diode that meets the demands of modern electronic applications. Its compact size, high-speed performance, and robust electrical characteristics make it a popular choice among engineers and designers for a wide range of circuit designs.