In the realm of semiconductor discrete devices, Zener diodes have always played an indispensable role. Recently, the SMBJ5348B Zener diode has garnered attention for its outstanding performance. Today, let's delve into this highly regarded product.

The SMBJ5348B Zener diode boasts exceptional voltage regulation, with a nominal Zener voltage of 11V. This ensures it provides a stable 11V output in circuits, maintaining consistent operation. Additionally, the diode features excellent power handling capabilities with a rated power of 5W, making it well-suited for high-power circuits and complex environments.

Slkor Voltage Regulator Diode SMBJ5348B product photo

Beyond its voltage regulation and power handling prowess, the SMBJ5348B excels in reverse current control, with a reverse current (Ir) of just 5µA. This reduces power consumption and heat dissipation under reverse voltage, enhancing the diode's efficiency and reliability.

Slkor Voltage Regulator Diode SMBJ5348B specification

In the rapidly advancing semiconductor industry, the introduction of the SMBJ5348B Zener diode injects new vitality into the field. Its superior performance makes it stand out in various applications such as power management, circuit protection, and automotive electronics. Whether in consumer electronics or industrial control systems, the SMBJ5348B offers unique advantages for reliable circuit operation.

Parameters of Slkor Voltage Regulator Diode SMBJ5348B

Moreover, the SMBJ5348B utilizes advanced manufacturing processes and packaging technologies to ensure product consistency and reliability, maintaining high quality standards in mass production and meeting stringent customer requirements.

Circuit Design and Application Recommendations for the SMBJ5348B

The SMBJ5348B is an 11V 5W Zener diode. Here are some design and application suggestions:

Circuit Design Tips:

- Resistor Selection: Choose an appropriate resistor in series with the SMBJ5348B to limit current and prevent device damage from overcurrent. Select the resistor value based on the desired voltage regulation and other circuit components.

- Power Filtering: Add suitable filter capacitors at the SMBJ5348B input to reduce power supply noise and transient voltage effects, enhancing circuit stability and reliability.

- Heat Dissipation: Consider potential heat generation, especially in high-power applications. Implement good heat dissipation designs, such as heatsinks or thermal pads, to improve thermal efficiency.

Application Tips:

- Avoid Overvoltage: With an 11V regulation value, ensure the application does not exceed this voltage to prevent damage or performance degradation. Protect the SMBJ5348B from overvoltage through appropriate circuit design.

- Temperature Considerations: Operate within the temperature range of -55°C to +150°C to avoid performance and reliability issues due to extreme temperatures.

- Static Protection: Use proper electrostatic discharge (ESD) precautions, such as anti-static gloves or mats, when handling the SMBJ5348B to avoid damage from static electricity.

Applications of the SMBJ5348B in Circuits

- Power Protection Circuits: The SMBJ5348B can serve as an overvoltage protector in power circuits, clamping excessive voltage to safe levels and protecting subsequent circuitry.

- Signal Conditioning Circuits: It limits signal amplitude to prevent damage from excessive signals, commonly used in amplifiers and analog converters to ensure signal accuracy.

- Automotive Electronics: Widely used in automotive protection circuits, the SMBJ5348B safeguards components in ignition systems, audio systems, and navigation equipment from high voltage spikes and overvoltage conditions.

About Slkor：

Slkor has research and development offices in Busan, South Korea, Beijing, China, and Suzhou, China. Most of the wafer manufacturing and packaging and testing are carried out within China. The company employs and collaborates with individuals and organizations worldwide, with a laboratory for product performance and reliability testing and a central warehouse located at its headquarters in Shenzhen. Slkor has filed for over a hundred invention patents, offers more than 2,000 product models, and serves over ten thousand customers globally. Its products are exported to countries and regions including Europe, the Americas, Southeast Asia, and the Middle East, making it one of the rapidly growing semiconductor companies in recent years. With well-established management systems and streamlined workflows, Slkor has rapidly enhanced the brand awareness and reputation of its "SLKOR" brand through its outstanding quality and standardized services. Its product range includes three major series: diodes, transistors, and power devices, with recent introductions of new products such as Hall elements and analog devices, expanding its presence in sensors, Risc-v microcontrollers, and other product categories.