1N4148WS

The 1N4148WS is a high-speed switching diode manufactured by Changzhou Starsea Electronics, designed for various electronic applications. This diode is a variant of the widely used 1N4148, known for its reliability and efficiency in switching applications.

Key Features:

1. Package Type: The 1N4148WS is typically housed in a DO-35 glass package, which is cylindrical in shape and has two leads extending from either end. This package is compact, making it suitable for space-constrained applications.

2. Electrical Characteristics:

   • Maximum Reverse Voltage (VR): The diode can withstand a maximum reverse voltage of approximately 100V, making it suitable for a variety of circuits where reverse voltage protection is necessary.
   • Forward Current (IF): It has a maximum forward current rating of about 1A, allowing it to handle moderate current loads effectively.
   • Forward Voltage Drop (VF): The forward voltage drop is typically around 0.7V at a forward current of 1A, which is relatively low, contributing to its efficiency in switching applications.
   • Reverse Recovery Time (trr): The diode features a fast reverse recovery time, usually in the range of 4ns, which is ideal for high-speed switching applications.

3. Temperature Range: The operating temperature range for the 1N4148WS is generally from -55°C to +150°C, allowing it to function reliably in various environmental conditions.

4. Applications: This diode is commonly used in:

   • Switching power supplies
   • Signal processing
   • Rectification in low-power applications
   • Protection circuits to prevent reverse polarity damage
   • High-speed switching applications in digital circuits

5. Construction: The diode is constructed using silicon material, which provides excellent thermal stability and performance. The glass package ensures durability and protection against environmental factors.

6. Marking: The diode is usually marked with its part number and manufacturer’s logo, ensuring easy identification during assembly and maintenance.

Summary:

The 1N4148WS from Changzhou Starsea Electronics is a versatile, high-speed switching diode that is well-suited for a wide range of electronic applications. Its compact size, efficient electrical characteristics, and robust construction make it a popular choice among engineers and designers in the electronics industry.