FLZ3V0B Discrete Semiconductor Products

The FLZ3V0B is a series of zener single diodes developed by Taiwan Semiconductor Co. The series offers zener breakdown voltage choices from 3.3V to 18V. These diode devices offer stable control element performance and are housed in a variety of packages and form factors. They are most commonly used in low-power applications, including power management and circuit protection, LED bias and load switching, voltage regulation and voltage clamping.

General Features:

• Zener Breakdown Voltage: 3.3V to 18V
• Power Dissipation: 500mW
• Standard 6-pin SOD-123 and 5-pin SOD-323 Packages
• High Speed Response and Improved ESD Performance
• Low Leakage Current

Working Principle of FLZ3V0B:

FLZ3V0B diodes work by employing a reverse breakdown voltage phenomenon. This phenomenon allows current to flow when the applied reverse voltage (V_R) is greater than or equal to the specified breakdown voltage (V_BR). The reverse current is then limited by the zener structure. By carefully controlling the breakdown voltage and cathode-to-anode spacing of the device, the characteristics of the zener diode are optimized for a wide variety of applications.

In addition to the regular zener action, there are two other operating modes available with the FLZ3V0B series: avalanche and saturation. When using avalanche mode, the current is limited to a maximum of the Ma rating specified for the device. In this mode, additional thermal dissipation is required to prevent the device from entering saturation. In contrast, the saturation mode is characterized by a high forward voltage with an almost independent current which is limited only by the I_Limit value. This mode allows for improved system reliability as the current is saved from any overloading.

Moreover, the FLZ3V0B series uses a wide range of packaging technologies to ensure that the components are well protected from physical and environmental stresses. For instance, the SOD-123 package provides excellent mechanical protection, while the SOD-323 package offers improved thermal dissipation. This combination of protection and thermal performance allows the FLZ3V0B series to perform reliably in a wide range of operating environments.

In summary, the FLZ3V0B series of zener single diodes offer a wide range of breakdown voltages, high-speed response and improved ESD performance, low leakage current, and a variety of packaging options. They are perfect for small, low power applications where reliability is key. The FLZ3V0B series is sure to meet the needs of a wide range of applications in the electronics industry.