In the field of modern electronics, the voltage regulator diode (also known as a Zener diode) plays a crucial role as an electronic component, primarily tasked with maintaining a stable voltage output in circuits. Across various electronic devices, voltage regulator diodes are indispensable, especially in applications requiring precise voltage control. This article provides a detailed overview of the 1SMB5934B model voltage regulator diode, featuring a stable voltage rating of 24V (nominal), a power rating of 3W, a reverse current (Ir) of 1μA @ 18.2V, and an impedance (Zzt) of 19Ω.

Slkor Voltage Regulator Diode 1SMB5934B product photo

I. Overview

The 1SMB5934B voltage regulator diode is highly favored for its high precision, reliability, and power-handling capabilities. Its 24V stable voltage makes it an ideal choice for circuits requiring a consistent 24V output. Additionally, its 3W power output ensures stable operation even under higher current conditions.

Slkor Voltage Regulator Diode 1SMB5934B specification

II. Detailed Characteristic Parameters

Voltage Rating (Nominal): 24V

The voltage rating is one of the most critical parameters for a voltage regulator diode, indicating the fixed voltage it can maintain across its terminals under normal operating conditions. For the 1SMB5934B, this value is 24V. This means that when used in a circuit, the output voltage will remain stable at 24V, regardless of input voltage fluctuations within its maximum operating range.

Power Rating: 3W

Power rating describes the maximum electrical power that the voltage regulator diode can safely dissipate. The 1SMB5934B is rated at 3W, indicating its capability to handle sustained operation without overheating. Engineers must calculate the required power based on circuit current and voltage to prevent overheating and potential damage.

Reverse Current (Ir): 1μA @ 18.2V

Reverse current specifies the leakage current through the voltage regulator diode under reverse voltage conditions. For the 1SMB5934B, the reverse current is 1μA when the reverse voltage is 18.2V. Lower values indicate better performance, minimizing the diode's impact on the circuit.

Impedance (Zzt): 19Ω

Impedance denotes the equivalent resistance of the voltage regulator diode under specific conditions. The 1SMB5934B has an impedance of 19Ω, a crucial parameter for engineers to accurately calculate current and voltage distribution in circuit design.

Parameters of Slkor Voltage Regulator Diode 1SMB5934B

III. Application of Voltage Regulator Diodes in Induction Cookers

Voltage regulator diodes in induction cookers are essential components that stabilize voltage and current during heating, ensuring the cooker operates reliably. Here's a detailed exploration of their role and characteristics:

Function and Features

● Voltage Stabilization: The core function of voltage regulator diodes in induction cookers is to stabilize the circuit voltage, maintaining a consistent voltage range during heating to prevent operational issues due to voltage fluctuations.

● Circuit Protection: Voltage regulator diodes protect electronic components from damage caused by excessive voltage in the circuit.

● Lightning Protection, ESD Protection, and Overload Protection: These diodes also feature these capabilities, extending the induction cooker's operational lifespan effectively.

Selection and Maintenance

● Selection:

Rated Voltage: Consider the rated voltage to match the induction cooker's operating voltage, typically around 220V.

Rated Current: Select appropriate rated current based on the cooker's power and circuit design requirements.

Quality and Source: Choose products from reputable manufacturers to ensure the quality and reliability of voltage regulator diodes.

● Maintenance:

Keep voltage regulator diodes clean and dry to prevent contamination by moisture or foreign particles.

Regularly inspect the operational status of voltage regulator diodes, promptly replacing them if abnormalities are detected.

Precautions

● Voltage Matching: Ensure the rated voltage of the voltage regulator diode matches the induction cooker's operating voltage to avoid potential issues from over or under voltage.

● Current and Power Consumption: Select voltage regulator diodes with appropriate rated current and power consumption according to the induction cooker's power rating and circuit design.

● Installation and Layout: Pay attention to the layout and heat dissipation during installation to ensure proper operation and prolong the lifespan of voltage regulator diodes.

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.