BZX85C33-TR Encyclopedia Entry

Product Overview

The BZX85C33-TR belongs to the category of Zener diodes, which are semiconductor devices designed to maintain a fixed voltage across their terminals. These diodes find extensive use in voltage regulation and protection circuits due to their unique characteristics. The BZX85C33-TR is commonly utilized in various electronic applications for its specific voltage regulation capabilities.

Basic Information

• Category: Zener Diode
• Use: Voltage regulation and protection in electronic circuits
• Characteristics: Fixed voltage regulation, low dynamic impedance
• Package: Through-hole or surface mount
• Essence: Stabilizing voltage in electronic circuits
• Packaging/Quantity: Typically available in reels or tubes containing multiple units

Specifications

• Voltage: 33V
• Power Dissipation: 1.3W
• Zener Impedance: 5Ω
• Operating Temperature Range: -65°C to +175°C

Detailed Pin Configuration

The BZX85C33-TR typically features two pins, with the anode and cathode serving as the main connection points. The pinout configuration is as follows: - Anode (A) - Pin 1 - Cathode (K) - Pin 2

Functional Features

The primary function of the BZX85C33-TR is to regulate voltage within electronic circuits. When the voltage across its terminals reaches the specified value (33V in this case), the diode begins conducting current in the reverse direction, effectively stabilizing the voltage at the predetermined level.

Advantages and Disadvantages

Advantages

• Precise voltage regulation
• Low dynamic impedance
• Compact form factor

Disadvantages

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

Working Principles

The BZX85C33-TR operates based on the principle of the Zener effect, where a heavily doped semiconductor junction allows current to flow in the reverse direction once the breakdown voltage is reached. This characteristic enables the diode to maintain a constant voltage drop across its terminals, providing stability in electronic circuits.

Detailed Application Field Plans

The BZX85C33-TR finds widespread application in various electronic systems, including: - Voltage regulators - Overvoltage protection circuits - Power supplies - Signal conditioning circuits

Detailed and Complete Alternative Models

Several alternative models to the BZX85C33-TR include: - BZX85C27-TR (27V) - BZX85C39-TR (39V) - BZX85C47-TR (47V) - BZX85C56-TR (56V)

In conclusion, the BZX85C33-TR Zener diode serves as a crucial component in electronic circuits, offering precise voltage regulation and protection capabilities. Its compact design and stable performance make it an essential part of various electronic systems.

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