BZT52C51-HE3-18

Product Overview

Category

The BZT52C51-HE3-18 belongs to the category of Zener diodes, which are semiconductor devices designed to maintain a fixed voltage across their terminals.

Use

This product is commonly used in electronic circuits for voltage regulation and protection against overvoltage conditions.

Characteristics

• Voltage Regulation: The BZT52C51-HE3-18 provides stable voltage regulation under varying load conditions.
• Reverse Breakdown Voltage: It has a reverse breakdown voltage of 51V, making it suitable for applications requiring precise voltage control.
• Small Package: This diode is available in a small surface-mount package, making it suitable for compact electronic designs.
• Low Leakage Current: It exhibits low leakage current, ensuring minimal power dissipation in standby mode.

Package

The BZT52C51-HE3-18 is typically available in a SOD-123 surface-mount package, which facilitates easy integration into circuit boards.

Packaging/Quantity

It is commonly supplied in reels or tape and reel packaging, with quantities varying based on manufacturer specifications.

Specifications

• Part Number: BZT52C51-HE3-18
• Reverse Breakdown Voltage: 51V
• Power Dissipation: Varies based on operating conditions
• Operating Temperature Range: -65°C to +150°C
• Forward Voltage Drop: Typically low, depending on current flow

Detailed Pin Configuration

The BZT52C51-HE3-18 features a standard SOD-123 package with two terminals. The pinout configuration includes the anode and cathode terminals, with the anode typically connected to the positive side of the circuit.

Functional Features

• Voltage Regulation: The diode maintains a constant voltage drop across its terminals, providing stability in the circuit.
• Overvoltage Protection: It safeguards sensitive components by limiting the voltage across the circuit.

Advantages and Disadvantages

Advantages

• Precise voltage regulation
• Compact package size
• Low leakage current

Disadvantages

• Limited power dissipation capability
• Susceptible to thermal runaway under high current conditions

Working Principles

The BZT52C51-HE3-18 operates based on the principle of the Zener effect, where it allows current to flow in the forward direction like a regular diode but also permits it to flow in the reverse direction when the voltage reaches the specified breakdown level.

Detailed Application Field Plans

Voltage Regulation

The BZT52C51-HE3-18 is widely used in voltage regulator circuits for stabilizing output voltages in power supplies, battery charging systems, and instrumentation equipment.

Overvoltage Protection

In electronic systems, this diode is employed to protect sensitive components from damage caused by transient voltage spikes and overvoltage events.

Detailed and Complete Alternative Models

• BZX84C51: A similar Zener diode with a different package and form factor.
• 1N4733A: An axial leaded Zener diode with comparable voltage regulation characteristics.

In conclusion, the BZT52C51-HE3-18 Zener diode offers precise voltage regulation and overvoltage protection in a compact package, making it suitable for various electronic applications.

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