In the field of electronics, a voltage-regulating diode is a special type of diode designed to maintain a stable voltage at a certain point in a circuit. Among the many models of voltage-regulating diodes, the BZT52C16 is widely favored for its stable performance and moderate parameter values. This article will delve into the characteristics of the BZT52C16 voltage-regulating diode and its applications in circuit design.

Slkor Voltage Regulator Diode BZT52C16 product photo

Slkor Voltage Regulator Diode BZT52C16 specification

I. Basic Characteristics of BZT52C16 Voltage-Regulating Diode

Regulating Value (Nominal Value): The regulating value of the BZT52C16 is 16V, indicating that under normal operating conditions, the diode can maintain a voltage of around 16V across its terminals, providing a stable voltage output for the circuit.

Power: The power of the BZT52C16 is 500mW, determining its capability to withstand in a circuit. Designers need to ensure that the power the diode is subjected to does not exceed this value to avoid damage due to overheating.

Reverse Current (Ir): The reverse current of the BZT52C16 is 100nA@11.2V, meaning that at a reverse voltage of 11.2V, the reverse current is 100 nanoamps. This parameter reflects the leakage performance of the diode under reverse bias, which significantly impacts the stability and reliability of the circuit.

Parameters of Slkor Voltage Regulator Diode BZT52C16

II. Applications of BZT52C16 Voltage-Regulating Diode

Voltage Regulation in Power Supply Circuits: The BZT52C16 voltage-regulating diode can be used in power supply circuits to provide stable voltage to other circuit components. By designing the circuit properly, the BZT52C16 can maintain a stable output voltage even when there are fluctuations in the power supply circuit, ensuring the normal operation of the entire circuit.

Protection in Signal Processing Circuits: In signal processing circuits, the BZT52C16 voltage-regulating diode can be employed to prevent other circuit components from being damaged by excessive voltage. When the input signal voltage exceeds the regulating value of the BZT52C16, the diode quickly conducts, limiting the voltage to within a stable range, thus protecting other circuit components from harm.

Stable Power Supply in Precision Measurement and Control Systems: In systems requiring high-precision measurement and control, the BZT52C16 voltage-regulating diode can be used to provide a stable power supply. By precisely controlling the power supply voltage, the accuracy and stability of measurement and control can be improved, ensuring the high-performance operation of the system.

III. Surface Mounting Forms of Voltage-Regulating Diodes

Through-Hole Mounting (Direct Insertion Mounting):

Features: The voltage-regulating diode is directly inserted into the holes of the circuit board and then soldered in place.

Applications: This mounting form is common in early or certain specialized electronic devices, offering advantages such as simplicity of structure and ease of installation but occupying relatively larger space.

Examples: Such as the TLZ2V4A-GS08 model voltage-regulating diode from the VISHAY brand, which is packaged as LL34-2.4V.

Surface Mounting (SMD):

● Features: The voltage-regulating diode is directly attached to the surface of the circuit board and fixed by solder joints, occupying less space and suitable for high-density integration.

● Applications: Surface mount technology is widely used in modern electronic devices due to its compact size and higher reliability.

● Examples and Package Types:

SOD-123FL: Such as the KDZ6.2B model voltage-regulating diode, which utilizes this packaging form, suitable for 6.2V voltage requirements.

SOT-23: Such as the DZ23C20 model small signal voltage-regulating diode, commonly used in occasions requiring smaller package sizes.

LL-34: Such as the ZMM12 model voltage-regulating diode, packaged in this form, typically used for 1/2W power requirements

SMAF and SMA Packages: Models such as 1SMAF4733A and 1SMA4763A are voltage regulator diodes available in SMAF ultra-thin packaging and SMA packaging, catering to various voltage and power requirements.

Glass Package:

● Features: Voltage regulator diodes are encapsulated in glass tubes, offering excellent insulation and sealing properties.

● Applications: Glass packaging is commonly used in special environments requiring high stability and reliability.

● Examples: Common glass package forms include LL34 (1/2W) and LL41 (1W), with corresponding standard models like LL4148 and LL34.

Plastic Package:

● Features: Voltage regulator diodes are enclosed in plastic shells, known for their lightweight, low cost, and ease of production.

● Applications: Plastic packaging finds wide application in various electronic devices, especially consumer electronics.

● Examples: Common plastic package forms include SOD-123, SOD-323, and SOD-523, suitable for voltage regulator diodes with different voltage ranges and power requirements.

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.